Instruction Manual GSC53N - GSC57 - ZG47 Copyright HT ITALIA 2012 Release EN 1.
GSC53N - GSC57 - ZG47 INDEX 1. SAFETY PRECAUTIONS AND PROCEDURES .......................................................................................... 4 1.1. 1.2. 1.3. 1.4. GENERAL ................................................................................................................................................................ 4 Preliminary Instruction ..........................................................................................................................................
GSC53N - GSC57 - ZG47 6.5. EARTH: Soil Resistance and Resistivity Measurements ....................................................................................... 55 6.5.1. Measurement procedure and results of "2-W"and "3-W" mode .......................................................................................56 6.5.2. Measurement procedure and results of " " mode ...........................................................................................................58 6.5.3.
GSC53N - GSC57 - ZG47 11.2. ANALYSER MEMORY......................................................................................................................................... 114 12. CONNECTING THE INSTRUMENT TO A PC ...........................................................................................115 13. CONNECTION THROUGH BLUETOOTH PROTOCOL............................................................................115 14. MAINTENANCE.........................................................
GSC53N - GSC57 - ZG47 1. SAFETY PRECAUTIONS AND PROCEDURES 1.1. GENERAL This apparatus conforms with safety standards EN61557 and EN61010-1 relating to electronic measuring instruments. WARNING For your own safety as well as that of the apparatus you are recommended to follow the procedures described in this instruction manual and carefully read all the notes preceded by the symbol .
GSC53N - GSC57 - ZG47 Please keep to the usual safety standards aimed at: Protecting against dangerous currents; Protecting the instrument against incorrect operations. Only the accessories supplied with the instrument guarantee compliance with the safety standards. Accordingly, they must be in good conditions and, if necessary, they must be replaced with identical models. Do not take measurements on circuits exceeding the specified current and voltage limits.
GSC53N - GSC57 - ZG47 2. GENERAL DESCRIPTION 2.1. INTRODUCTION Dear Customer, we thank you for your patronage. The instrument you have just purchased will grant you accurate and reliable measurements provided that it is used according to the present manual’s instructions. The instrument was designed to grant the user the utmost safety conditions thanks to a new concept assuring double insulation and over voltage category III. This instruction manual is referred to three models: GSC57, GSC53N and ZG47.
GSC53N - GSC57 - ZG47 record simultaneously (pressing the START key after a proper setting): RMS values of voltages, currents, corresponding harmonics, active, reactive and apparent powers, power factors and cos , active, reactive and apparent energies, voltage anomalies (voltage sag and surge) with 10ms resolution. It will be possible to analyse the recorded data ONLY by transferring them to a PC.
GSC53N - GSC57 - ZG47 3. PREPARATION FOR USE 3.1. INITIAL CONTROL This instrument has been checked mechanically and electrically prior to shipment. Any care has been taken to ensure that the instrument reaches you under safe conditions. You are recommended, however, to carry our a rapid check to detect any possible damage which might have been caused during transport. Should this be the case, immediately contact HT Italia. Check also that the packaging contains all the parts listed under paragraph 15.5.
GSC53N - GSC57 - ZG47 WARNING For recordings (ANALYSIS and AUX function) use ALWAYS the external power supply adapter (code A0050, optional for GSC57) even the instrument allows the operator to perform a recording using internal batteries. If during a recording the external power supply adapter is deenergised, the instrument will continue the recording using the internal battery power until the batteries are exhausted (the data stored up to the point the instrument shuts down won’t get lost).
GSC53N - GSC57 - ZG47 4. INSTRUMENT DESCRIPTION LEGEND: 1 1. Display 2. Function Keys 3. Rotary switch 2 F1 F2 F3 F4 3 START STOP SAVE HOLD ENTER MENU ESC Front panel of the Instrument F1 F2 F3 F4 Multifunction Keys. ON/OFF ON/OFF and backlight key. Press it for few seconds to switch OFF the instrument, press it briefly to activate the backlight function. START STOP This key start (and stop). the measurement. SAVE This key allows to save the result displayed.
GSC53N - GSC57 - ZG47 4.1. DISPLAY DESCRIPTION The display is a graphic module with a resolution of128 x 128 pixels The first line of the display shows date and time. If not correct, you can set the exact ones according to the procedure described at paragraph 5.2. On the top right corner of the display you can always see the battery indicator and, if the external power supply adapter (code A0050) is connected, the corresponding symbol. LOW 05.06.01 27.09.
GSC53N - GSC57 - ZG47 5. INITIAL SETTINGS By pressing the MENU key the following screen will be displayed: MENU GENERAL SAFETY TEST MEMORY A N A L Y SE R M E M O R Y RESET A N A L Y SE R C O N F I G RECORDER CONFIG C O N T R AS T D A T E & TI M E LANGUAGE It’s not possible to enter the MENU during a recording or a Real Time Energy measurement. Pressing this button during a recording the display will show main recording parameter (see paragraph 10.3) 5.1.
GSC53N - GSC57 - ZG47 5.4. RESET This option re-establishes the initial settings of the instrument in ANALYSER function. The RESET command re-establishes the limit value on Insulation measurement (see paragraph 6.2) at 0.5M and test voltage at 500V.
GSC53N - GSC57 - ZG47 6. SAFETY TEST FUNCTIONS 6.1. LOW : CONTINUITY TEST WITH 200mA TEST CURRENT WARNING Before carrying out the continuity test make sure that there is no voltage at the ends of the conductor under test. Turn the switch on LOW position. This key permits to select one of the following measuring modes: Mode "AUTO" (the instrument carries out two measurements with reversed polarity and displays their average value). This mode is recommended for the continuity test.
GSC53N - GSC57 - ZG47 6.1.1. Calibrating the test leads ("CAL" Mode) 1. Connect the black and blue test leads to B1 and B4 input terminals respectively. B1 B2 B3 B4 Connection of instrument terminals during calibration procedure. 2. If the test leads supplied with the instrument are not long enough for the measurement you can extend the blue cable. 3. Short-circuit the measuring cable ends making sure that the conductive parts of the crocodiles make a good contact to each other (see previous picture).
GSC53N - GSC57 - ZG47 TEST LEADS 6.1.1.1. Before each measurement always make sure that the calibration is referred to the cables in use. During a continuity test, if the resistance value free of calibration (that is the resistance value less the calibration offset value) is negative, the symbols is displayed. Probably the calibration resistance value stored in the instrument memory is not referred to the cable in use, therefore a new calibration must be effected.
GSC53N - GSC57 - ZG47 6.1.2. Measurement Procedure 1. Select the desired mode by means of the F1 key. 2. Connect the black and blue test leads to B1 and B4 input terminals respectively B1 Connection of the test leads during LOW START STOP B2 B3 B4 test. 3. If the cables supplied with the instrument are not long enough for the measurement you can extend the blue cable. 4. Short-circuit the test leads making sure that the conductive parts of the crocodiles make a good contact to each other.
GSC53N - GSC57 - ZG47 6.1.3. Results of "AUTO" mode At the end of the test, if the average resistance value Ravg is lower than 5 the instrument emits a double sound signal indicating the positive outcome of the test and displays one screen similar to the screen alongside. LOW 05.06.01 Average resistance value (Ravg) R1.03 219mA Resistance values and corresponding test current got exchanging the polarities of test leads 1.05 R+ 1.07 219mA AUTO FUNC 0.
GSC53N - GSC57 - ZG47 6.1.5. "AUTO", RT+", "RT-" faulty cases If the instrument detect the External Power supply adapter connected to instrument will show the message displayed to side. LOW 05.06.01 -.- R+ -----mA Disconnect the External Power Supply Adapter R-----mA REMOVE POWER AUTO FUNC If the terminal voltage is higher than 15V, the instrument does not carry out the test and displays the screen alongside for 5 seconds. 0.11 CAL LOW 05.06.01 -.- R+ -.----mA R-.
GSC53N - GSC57 - ZG47 If the value of Resistance is higher than 5 (but lower than 99.9 ) the instrument emits a long sound signal and displays one screen similar to the screen alongside LOW 05.06.01 R+ 5.17 209mA FUNC value higher 5.17 AUTO Resistance than 5 R5.17 209mA Test current 0.11 CAL The displayed result can be stored pressing the SAVE key twice (according to paragraph 9.1). If the value of Resistance is higher than 99.
GSC53N - GSC57 - ZG47 6.2. M : INSULATION RESISTANCE MEASUREMENT WITH 50V, 100V, 250V, 500V, 1000V TEST VOLTAGE WARNING Before effecting the insulation test make sure that the circuit under test is not energised and all the loads are disconnected. Turn the switch on M position. The key F1 permits to select one of the following measuring modes: Mode "MAN" (Manual mode). Recommended test. Mode "TMR" (Timer mode: test duration depends on the selected interval from 10 to 999 seconds).
GSC53N - GSC57 - ZG47 Standard Brief description Test voltage EN60439 EN60204 Electrical panel boards 230/400V Electrical equipment of machines 500VDC 500VDC Table1: > 230k > 1M Table reporting the test voltage and the corresponding limit values for few Guidelines. Rated voltage selected for the test RMAX = Maximum resistance value 50VDC 100VDC 250VDC 500VDC 1000VDC Table2: Maximum limit value 99.9M 199.
GSC53N - GSC57 - ZG47 6.2.2. Results of "MAN" mode At the end of the test if the Insulation resistance is lower than RMAX (see Table2), upper to set limit value and the instrument generated the Nominal test Voltage, the instrument emits a double sound signal indicating the positive outcome of the test and displays one screen similar to the screen alongside. M 05.06.02 Voltage during the Test 1.07 M 514V Insulation Resistance Duration of the Test 15s Test mode OK MAN 500V LIM: 0.
GSC53N - GSC57 - ZG47 6.2.3. Results of "TMR" mode At the end of the test if the Insulation resistance is lower than RMAX (see Table2), upper to set limit value and the instrument generated the Nominal test Voltage, the instrument emits a double sound signal indicating the positive outcome of the test and displays one screen similar to the screen alongside. M 05.06.02 Voltage during the Test 1.
GSC53N - GSC57 - ZG47 6.2.4. "MAN" and "TIMER" mode faulty cases If the instrument detect the External Power supply adapter connected to instrument will show the message displayed to side. M 05.06.01 -.- - M ---V 15s REMOVE POWER MAN FUNC If the instrument detect a Voltage between Input terminals higher than 15V, the instrument does not effect the test and displays the screen alongside for 5 seconds. Disconnect the External Power Supply Adapter 500V LIM:0.50M VNOM M 05.06.01 -.
GSC53N - GSC57 - ZG47 6.3. RCD: TEST ON "A" AND "AC" RCDS TYPE WARNING The automatic check of the RCD features causes the tripping of the RCD itself. Therefore check that all devices connected downstream the RCD under test are not damaged by power off. Possibly disconnect all the loads connected downstream the RCD as they could add additional leakage currents to the instrument ones and so making the test results void.
GSC53N - GSC57 - ZG47 The F2 key permits to select one of the following rated tripping currents of the RCD (which can be shown cyclically when pressing the key): 10mA. 30mA. 100mA. 300mA. 500mA.
GSC53N - GSC57 - ZG47 6.3.1. Tripping times for the general and selective RCDs Table of tripping times for I N x1, I N x2, I N x5 and AUTO tests. If the parameters set on the instrument comply with the type of RCD under test (and if the latter works properly) the test x1, x2, x5 SHALL cause the RCD tripping within the times shown in the following table: RCD type General Selective S I Nx 1 I Nx 2 I Nx Description 5 0.3s 0.15s 0.04s Max tripping time in seconds 0.5s 0.20s 0.
GSC53N - GSC57 - ZG47 6.3.2. Measurement procedure 1. Select the desired test parameter by means of the F1, F2, F3, F4 key. 2.
GSC53N - GSC57 - ZG47 6.3.2.1. Results of "x½" mode START STOP 4. Press the START key once to execute a test with 0° Current waveform. or Press the START key twice to execute a test with 180° Current waveform. WARNING Never disconnect the test leads from the circuit under test when the message " MEASURING " is displayed. If the RCD does NOT trip the instrument emits a double sound signal indicating the positive outcome of the test and displays the screen alongside. RCD 05.06.01 > 999 ms FRQ=50.
GSC53N - GSC57 - ZG47 6.3.2.2. Results of "x1, x2, x5" mode START STOP 4. Press the START key once to execute a test with 0° Current waveform. or Press the START key twice to execute a test with 180° Current waveform. WARNING Never disconnect the test leads from the circuit under test when the message " MEASURING " is displayed.
GSC53N - GSC57 - ZG47 6.3.2.3. Results of "AUTO" mode START STOP 4. Press the START key once to execute the test. The instrument carries out the following six tests with different values of rated current: 1/2I n with 0° current waveform (the RCD shall not trip). 1/2I n with 180° current waveform (the RCD shall not trip). I n with 0° current waveform (the RCD trips, message "RESUME RCD"). I n with 180° current waveform (the RCD trips, message "RESUME RCD").
GSC53N - GSC57 - ZG47 6.3.2.4. Results of "RAMP START STOP " mode 4. Press the START key once to execute a test with 0° Current waveform. or Press the START key twice to execute a test with 180° Current waveform. The instrument generates a leakage current growing step by step for a given time interval. WARNING Never disconnect the test leads from the circuit under test when the message " MEASURING " is displayed. At the end of the test if the RCD tripping current is lower than I n (Type AC) or 1.
GSC53N - GSC57 - ZG47 6.3.2.5. Results of " RA " mode START STOP 4. Press the START key once: the instrument carries out the test. WARNING Never disconnect the test leads from the circuit under test when the message " MEASURING " is displayed. The RCD must NOT trip and the instrument emits a double sound signal indicating the positive outcome of the test and displays the screen alongside. RCD 05.06.01 12 FRQ=50.
GSC53N - GSC57 - ZG47 6.3.3. RCD Faulty cases 6.3.3.1. Connection troubles If the instrument detect the External Power supply adapter connected to instrument will show the message displayed to side. RCD 05.06.01 - - - ms FRQ=50.0Hz VP-N=230V Ut= ---V Vp-PE=230V Disconnect the External Power Supply Adapter REMOVE POWER x1 FUNC Should the instrument detect that the phase and/or neutral cables are not connected to an installation, screen alongside is displayed when pressing START.
GSC53N - GSC57 - ZG47 This screen is displayed when the phase conductor has been exchanged with the Protection Conductors. The instrument does not effect the test. Reverse the phase to earth connection in the plug or exchange the black cable with the green one RCD This screen is displayed when in a 230V Phase to Phase System the blue conductor was reversed with respect to the green one. The instrument does not effect the test. Reverse the blue and green conductors.
GSC53N - GSC57 - ZG47 If the instrument gets overheated, tests cannot be carried out and the message alongside is displayed. Wait until the initial screen is back in order to proceed with measurements. RCD 05.06.01 - - - ms FRQ=50.0Hz Ut= ---V VP-N=231V VP-PE= 230V HOT x1 FUNC 500mA IdN RCD 50V UL Message “hot”: the instrument got overheated. THE PREVIOUS RESULTS CANNOT BE SAVED.
GSC53N - GSC57 - ZG47 In the tests MAN x1, x2, x5 and AUTO (during x1 and x5 tests), if the RCD trips to separate the circuit within a time not complying with the limits reported in Table 3, the instrument emits a long acoustic signal at the end of the test and displays the values alongside. RCD If the RCD tripping time is higher than the instrument’s measuring limits, the instrument emits a long sound signal at the end of the test and displays the values alongside. RCD 487 ms RCD tripping time.
GSC53N - GSC57 - ZG47 During the ramp test if the RCD tripping current is higher than I n (Type AC) or 1.4 I n (Type A with I n>10mA) or 2 I n (Type A with I n 10mA), the instrument emits a long sound signal at the end of the test and displays the values alongside. RCD 05.06.01 > 42mA >300ms FRQ=50.
GSC53N - GSC57 - ZG47 6.4. LOOP : MEASUREMENT OF LINE IMPEDANCE, FAULT LOOP IMPEDANCE, PROSPECTIVE SHORT CIRCUIT CURRENT CALCULATION AND PHASE SEQUENCE INDICATOR Turn the switch on LOOP position. The F1 key permits to select one of the following measuring modes: Mode "P-N" (the instrument measures the impedance between the phase and neutral conductors and calculates the phase to neutral prospective short circuit current).
GSC53N - GSC57 - ZG47 6.4.2. Measurement procedure and results of "P-N" mode 1. Select P-N mode by means of the F1 key. 2. Connect the Black, Green and Blue connectors of the three-terminal shuko cable or of the split cables to the corresponding input terminals of the instrument B1, B3, B4 1 3 N P I1 I3 I2 B1 B2 I1 B3 B4 B1 Instrument connection for P-N test in a 230V single-phase System START STOP I2 I3 B2 B3 B4 Instrument connection for P-N in a 400V threephase system 3.
GSC53N - GSC57 - ZG47 Formula for calculation of prospective short circuit current: UN I CC Z PN where UN = Nominal phase to neutral voltage = 127 if Vmeas 150 230 if 150V< Vmeas 250 This result can be stored pressing the SAVE key twice (according to paragraph 9.1).
GSC53N - GSC57 - ZG47 6.4.3. Measurement procedure and results of "P-P" mode 1. Select P-P mode by means of the F1 key. 2. Connect the Black, Green and Blue connectors of the three-terminal shuko cable or of the split cables to the corresponding input terminals of the instrument B1, B3, B4 1 3 N I1 I2 I3 B1 B2 B3 B4 Instrument connection for P-P test in a 400V three-phase system START STOP 3.
GSC53N - GSC57 - ZG47 WARNING Never disconnect the test leads from the circuit under test when the message " MEASURING " is displayed. Formula for calculation of prospective short circuit current: UN I CC Z PN where UN= phase to phase voltage 127 if Vmeas 150 230 if 150V< Vmeas 260 400 if Vmeas> 260 This result can be stored pressing the SAVE key twice (according to paragraph 9.1).
GSC53N - GSC57 - ZG47 6.4.4. Measurement procedure and results of "P-PE" mode 1. Select P-PE mode by means of the F1 key. 2. Connect the Black, Green and Blue connectors of the three-terminal shuko cable or of the split cables to the corresponding input terminals of the instrument B1, B3, B4.
GSC53N - GSC57 - ZG47 At the end of the test the instrument emits a double sound signal indicating that the test is correctly terminated and displays the values alongside. LOOP 05.06.01 1.07 215A Freq=50.0HZ VP-N=231V Vp-PE=231V Value of phase to Earth Resistance expressed in . Value of the phase to Earth prospective short circuit current expressed in Ampere calculated according to the following formula.
GSC53N - GSC57 - ZG47 6.4.5. Measurement procedure and results of " RA " mode 1. Select RA mode by means of the F1 key. 2. Connect the Black, Green and Blue connectors of the three-terminal shuko cable or of the split cables to the corresponding input terminals of the instrument B1, B3, B4. 1 3 N P I1 I2 B1 I3 B2 I1 B3 B4 B1 Instrument connection for P-PE test in a 230V single-phase System START STOP I2 I3 B2 B3 B4 Instrument connection for P-PE in a 400V threephase system 3.
GSC53N - GSC57 - ZG47 At the end of the test the instrument emits a double sound signal indicating that the test is correctly terminated and displays the values alongside. LOOP 05.06.01 2 115A Freq=50.0HZ VP-N=231V Vp-PE=231V Value of phase to Earth Resistance expressed in . Effective value of the phase to Earth prospective short circuit current expressed in Ampere calculated according to the following formula..
GSC53N - GSC57 - ZG47 6.4.6. Measurement procedure and results of " " mode 1. Select mode by means of the F1 key. 2. Connect the Black, Red and Green connectors of the split cables to the corresponding input terminals of the instrument B1, B2, B3. 1 3 I1 I2 B1 I3 B2 B3 B4 Instrument connection for Phase Sequence Detection in a 400V three-phase system 3. Press the START key to execute a test.
GSC53N - GSC57 - ZG47 6.4.7. LOOP Faulty Cases If the instrument detect the External Power supply adapter connected to instrument will show the message displayed to side. LOOP 05.06.01 -----A FRQ=50.0HZ VP-N=231V Disconnect the External Power Supply Adapter VP-PE=230V REMOVE POWER P-N FUNC Z2 Should the instrument detect that the phase and/or neutral cables are not connected to an installation, screen alongside is displayed when pressing START. LOOP 05.06.01 -----A FRQ=50.
GSC53N - GSC57 - ZG47 This screen is displayed when the phase conductor has been exchanged with the neutral one. The instrument does not effect the test. Reverse the shuko plug or exchange the black cable with the blue one. LOOP This screen is displayed when the phase conductor has been exchanged with the Protection Conductors. The instrument does not effect the test.
GSC53N - GSC57 - ZG47 If a contact voltage Ut higher than the selected limit (UL) is detected the instrument interrupts the test and emits a long sound signal at the end of the test and displays the screen alongside. LOOP 05.06.01 -----A FRQ=50.0HZ VP-N= 1V Vp-PE= 0V Ut DANGEROUS RA FUNC If the instrument detects such an high earth resistance that the earth conductor or the earth installation itself seem to be unrealiable, the message alongside is displayed.
GSC53N - GSC57 - ZG47 Using the " " mode, if a Phase to Phase voltage is lower than 100V, the instrument displays the screen indicated on side. LOOP 05.06.01 --FRQ =50.0HZ VR-S=391V VS-T= 0 V VT-R= 0V LOW VOLTAGE T PHASE ROTATION Phase "T2 Voltage is lower than 100V FUNC Using the " " mode, if the instrument detect two phases connected together displays the screen indicated on side. LOOP 05.06.01 --FRQ =50.
GSC53N - GSC57 - ZG47 In the mode P-P, P-N mode the instrument carries out the test and detects a resistance to higher than 199.9 , the screen alongside is displayed. LOOP 05.06.01 >199.9 Message ">199.9" means that the Resistance measured is higher than the maximum measurable ---A FRQ =50.0HZ VP-N= 1V Vp-PE= 0V P-N FUNC Z2 This result can be stored pressing the SAVE key twice (according to paragraph 9.1).
GSC53N - GSC57 - ZG47 6.5. EARTH: SOIL RESISTANCE AND RESISTIVITY MEASUREMENTS Turn the switch on EARTH position. The F1 key permits to select one of the following measuring modes (which can be shown cyclically when pressing the key): Mode "2-W" (the instrument measures the resistance between 2 points). Mode "3-W" (the instrument measures the resistance using two auxiliary earth rods). Mode " " (the instrument measures the ground resistivity).
GSC53N - GSC57 - ZG47 6.5.1. Measurement procedure and results of "2-W"and "3-W" mode 1. Select "2-W" or "3-W" Earth measurement mode by means of the F1 key. 2. Connect the Black, Red, Green and Blue cables to the corresponding input terminals of the instrument B1, B2, B3, B4 (see possible connections in the following pictures).
GSC53N - GSC57 - ZG47 At the end of the test the instrument emits a double sound signal indicating that the test is correctly terminated and displays the values alongside. EARTH 05.06.01 0.77 Vd= 1V Earth Resistance expressed in . value Voltage value of electrical noise Test:04 RAVG=0.74 Number of Test 3-W FUNC CLR Average Value of Earth Resistance calculated over the Number of Test displayed. "3 Point" Working mode 4.
GSC53N - GSC57 - ZG47 6.5.2. Measurement procedure and results of " " mode 1. Select measurement mode by means of the F1 key. 2. Select the distance d between the earth rods by means the F3 and F4 keys. 3. Connect the 4 Black, Red, Green and Blue connectors of the single cables in the corresponding input terminals of the instrument B1, B2, B3, B4. I1 I2 I3 B1 B2 d B4 B3 d d Instrument connection for Earth resistivity measurement START STOP 4. Press the START key. The instrument starts the test.
GSC53N - GSC57 - ZG47 6.5.3. "2-W", "3-W" and " " faulty cases If the instrument detect the External Power supply adapter connected to instrument will show the message displayed to side. EARTH 05.06.01 --Vd= ---V Disconnect the External Power Supply Adapter Test:04 RAVG=0.74 REMOVE POWER 3-W FUNC CLR If the Instrument detect a voltage values higher than 5V the instrument will shows the screen displayed alongside. EARTH 05.06.01 Warning symbol: noise in input.
GSC53N - GSC57 - ZG47 The message "Rp high" indicates that the instrument can't measure correctly the Voltage from Auxiliary Earth rod. Check that the terminals are correctly connected and the Auxiliary earth rod connected to B2 (red conductor) has not been inserted in a pebbly or poor conductive ground. If necessary pour some water around the rod.
GSC53N - GSC57 - ZG47 If the Instrument detects a Resistance value higher than 1999 , the instrument will show the screen alongside. EARTH 05.06.01 > 1999 Message ">1999" means that the resistance value is higher than the maximum measurable. Vd= 1V Test:04 RAVG=0.74 3-W FUNC CLR This result can be stored pressing the SAVE key twice (according to paragraph 9.1). If the Instrument detects a Resistivity value higher than 1999k m, the instrument will show the screen alongside. EARTH 05.06.
GSC53N - GSC57 - ZG47 6.6. LOW10A: CONTINUITY TEST WITH 10A TEST CURRENT (GSC57 ONLY) WARNING Before carrying out the continuity test make sure that there is no voltage at the ends of the conductor under test. Turn the switch on LOW 10A position.
GSC53N - GSC57 - ZG47 6.6.1. Measurement Procedure and Result of "RMEAS" mode 1. Select the "RMEAS" mode by means of the F1 key. 2. Connect the test leads to B1, B2, B3, B4 input terminals according to the following picture: 1.3A I1 I2 B1 I3 B2 B3 B4 230V~ 50Hz Connection of the test leads during LOW 10A test. START STOP 3. Set the resistance limit value by mean the F3 and F4 keys. 4. Connect the 230V~ 50Hz Power supply socket of the instrument to a power socket using the C5700 cable. 5.
GSC53N - GSC57 - ZG47 6.6.2. Measurement Procedure and Result of "VDROP" mode 1. Select the "VDROP" mode by means of the F1 key. 2. Connect the test leads to B1, B2, B3, B4 input terminals according to the following picture: 1.3A I1 I3 I2 B1 B2 B4 B3 230V~ 50Hz Connection of the test leads during LOW 10A test. START STOP 3. Set the conductor area by mean the F3 and F4 keys. 4. Connect the 230V~ 50Hz Power supply socket of the instrument to a power socket using the C5700 cable. 5.
GSC53N - GSC57 - ZG47 6.6.3. "RMEAS" and "VDROP" faulty cases if the instrument doesn't notice the presence of Power in the socket "Power ONLY FOR 10A", it visualizes screens represented to side. Check if the C5700 cable is connected to instrument and if the power outlet is fed. LOW 10A 05.06.01 ------A NO POWER SUPPLY RMEAS RLIM=0.150 FUNC Working mode If the instrument detects the External Power supply adapter connected to instrument will show the message displayed to side. LOW 10A 05.06.
GSC53N - GSC57 - ZG47 In the RMIS mode If the value of the resistance is over the maximum measurable, the instrument emits an acoustic signal and displays a screen similar to displayed to side. LOW 05.06.01 >0.999 Resistance value higher than the maximum measurable. Test current 9.12A RMEAS RLIM=0.150 FUNC The displayed result can be stored pressing the SAVE key twice (according to paragraph 9.1).
GSC53N - GSC57 - ZG47 7. AUX: MEASUREMENT WITH EXTERNAL PROBES Turn the switch on AUX position. The F4 function key effects the following operations: Pressing this key the instrument shows one of the following working mode displayed circularly: Environmental Parameter & Leakage Current (mA, °C, °F, HR%, m/s, mV, Lux) Sound Level Measurement The "Environmental Parameter & Leakage Current" mode allows the following operations: display in real time the values coming from external probes or clamps.
GSC53N - GSC57 - ZG47 7.1. ENVIRONMENTAL PARAMETER AND LEAKAGE CURRENT: REAL TIME MEASUREMENT This working mode allows to execute real time measurement and recording of Environmental Parameter and Leakage current 1. Press this key to access to "AUX" mode. 2. Pressing these function keys you will change the measuring unit of the 1st, 2nd, 3rd instrument's input respectively.
GSC53N - GSC57 - ZG47 PE (Protection Cunductor) PHASE PE (Protection Cunductor) SINGLE PHASE LOAD OR ELECTRICAL PLANT NEUTRAL I1 I2 I3 B1 B2 POSSIBLE ADDITIONAL CLAMPS B3 I1 B4 Indirect Leakage Current measurement in a single phase system I2 I3 B1 B2 B3 B4 B1 B2 B3 B4 THREE PHASE LOAD OR ELECTRICAL PLANT PE (Protection Cunductor) PE (Protection Cunductor) I1 I3 R S T N SINGLE PHASE LOAD OR ELECTRICAL PLANT X I2 POSSIBLE ADDITIONAL CLAMPS Indirect Leakage Current measurement
GSC53N - GSC57 - ZG47 7.2. ENVIRONMENTAL PARAMETER AND LEAKAGE CURRENT: RECORDING Before starting a recording we recommend You to check that real time values are correct. To this purpose follow the measurement procedure described in paragraph 7.1. in addition it's fundamental that Instrument settings correspond to the accessories is use. For this we recommend you to check instrument's setting before execute an AUX recording. To this purpose please check the RECORDER CONFIG settings.
GSC53N - GSC57 - ZG47 MENU To Select MANUAL or AUTOMATIC start/stop mode, place the cursor on MANU or AUTO using the key F1 or F2 and select the desired mode using F3 or F4. RECORDER CONFIG S T A RT MANU STOP MANU INT. PERIOD: 15min + - st 1 Page of the RECORDER CONFIG MENU Use the keys F1, F2 to position the cursor on the desired Input Signal and use the keys F3 / F4 to select / deselect the desired parameter (it’s selected if marked in black).
GSC53N - GSC57 - ZG47 7.2.2. RECORDING: setting of Typical Configurations The following “Typical Configurations” are selectable inside meter: Standard Configuration LEAKAGE (I1) TEMP. °C(I1) Description Setting of measuring and recording mode of Leakage current on I1 channel. Setting of measuring and recording mode of Temperature (°C) on I1 channel. Setting of measuring and recording mode of Relativity Humidity %HR on I1 channel. HUM %HR(I1) To activate the above configurations, follow this procedure: 1.
GSC53N - GSC57 - ZG47 8. ANALYSER This function allows the following operations: display in real time the electrical parameters of a single phase and three-phase systems (with and without neutral wire) and the harmonic analysis of voltages and currents. conduct a direct Energy measurement (without memorizing). memorize (pressing SAVE key) the sampled values of the Parameters present at instrument input generating a "Smp" record inside instrument memory.
GSC53N - GSC57 - ZG47 8.1. BASIC SETTING: ANALYSER CONFIG Place the rotary switch in the ANALYSER position, press the MENU key, using the F1/F2 keys select the ANALYSER CONFIG item and press the ENTER Key.
GSC53N - GSC57 - ZG47 8.1.4. How to set the Clamp Type The value of this parameter must be always equal to the clamp type you are using. Two types of clamps are available: STD: for Standard clamps or Current Transformer. FlexEXT: for Flexible clamps with External electronic control box FlexINT: for Flexible clamps without any electronic control box (GSC53N and ZG47). Set the desired value by pressing the keys F3 and F4.
GSC53N - GSC57 - ZG47 8.2. BASIC SETTING: RECORDER CONFIG Place the rotary switch in the ANALYSER position, press the MENU key, using the F1/F2 keys select the RECORDER CONFIG item and press the ENTER Key. This option allows you to check and eventually modify the recording parameters and the selected parameters (up to a maximum of 62+Frequency). If the number of selected values exceeds 63 the message "too many param" will be displayed.
GSC53N - GSC57 - ZG47 MENU To Select MANUAL or AUTOMATIC start/stop mode, place the cursor on MANU or AUTO using the key F1 or F2 and select the desired mode using F3 or F4. RECORDER CONFIG S T A RT MANU Use the keys F1, F2 to position the cursor on the desired word and use the keys F3 / F4 to select / deselect the desired parameter (it’s selected if marked in black). Press ENTER to confirm this page and proceed inside the Menu keeping the settings made.
GSC53N - GSC57 - ZG47 From 2nd page of RECORDER CONFIG MENU Use the keys F1, F2 to position the cursor on the desired word and use the keys F3 / F4 to modify the value or select / deselect the desired parameter (it’s selected if marked in black). Press ENTER to confirm this page and proceed inside the Menu keeping the settings made. Press ESC to leave this page without modifying the existing parameters.
GSC53N - GSC57 - ZG47 From 3rd page of RECORDER CONFIG MENU ENTER RECORDER CONFIG C O - GE N E R A T I O N : O N POWER:Pg ENERGY:Pg + - th Example of 4 page In order to select the POWER to be recorded use the multifunction keys F1, F2 to position the cursor on the corresponding “Pg” Symbol and then press F3 ENTER RECORDER CONFIG P1 Pf1 Q1i dPf 1 Q1c + RECORDER CONFIG S1 - Example of POWER sub-page in single-phase mode Pt Qti Qtc St Pft P12 Q12i Q12c S12 dPft RECORDER CONFIG P32 Q32i
GSC53N - GSC57 - ZG47 From 3rd page of RECORDER CONFIG MENU ENTER RECORDER CONFIG C O - GE N E R A T I O N : O N POWER:Pg ENERGY:Pg + - th Example of 4 page In order to select the ENERGIES to be recorded use the keys F1, F2 to position the cursor on the corresponding “Pg” Symbol and then press F3 ENTER RECORDER CONFIG Ea1 RECORDER CONFIG Eri 1 E r c 1 E s 1 + - Example of ENERGY sub-page in single-phase mode Eat RECORDER CONFIG Erit Erct Est + - Example of ENERGY sub-page in “3 wir
GSC53N - GSC57 - ZG47 Symbols START:MAN STOP:MAN START:AUTO STOP:AUTO INT. PERIOD HARM REC. ANOM REC. Description Advised settings The recording of all the selected parameters will start at 00 seconds after pressing START/STOP (see chapter REF _Ref6712586 \r \h 10.1). The recording of all the selected parameters will be interrupted manually by pressing START/STOP (see chapter 10.1). The recording of all the selected values will be started / interrupted at the set dates and times.
GSC53N - GSC57 - ZG47 CO-GENERATION Pt, P1, P2, P3, P12, P32 ON = the instrument is able to face situations of CO-GENERATION of electrical equipment (that is, the equipment under test is able to generate energy besides absorbing it). Accordingly, the instrument will record the powers and energies both absorbed and generated (see paragraph 17.12.1). If this flag is enabled the maximum number of parameters which can be selected decrease to 38.
GSC53N - GSC57 - ZG47 8.3. ANALYSER FUNCTIONS For a simple usage, the main working mode of the ANALYSER mode can be selected by means of F3 and F4. "VOLTAGE" function: to be used to display voltage and corresponding harmonics (see paragraph 8.4) "CURRENT" function: to be used to display current and corresponding harmonics (see paragraph 8.
GSC53N - GSC57 - ZG47 8.4. "VOLTAGE" FUNCTION This function permits you to display in real time the RMS value of AC/DC voltage, the peak and Thd value of the 3 phase voltages (see paragraph REF _Ref530398168 \r \h 17.11), the waveform and the harmonic spectrum of the 3 phase voltages. 8.4.1. Symbols The VOLTAGE position has three working modes: METER WAVE HARM These modes will be described in detail in the next paragraphs.
GSC53N - GSC57 - ZG47 8.4.2. "METER" mode In this mode the instrument shows one of the below screens according to the settings made as per paragraph 8.1. 27.09.00 17:35:12 VOL T A G E SINGLE P H A S E V1 Vpk1 ThdV freq HARM. = = = = WAVE 17:35:12 27.09.00 VOLTAGE 230.2 V 325.5 V 0.0 % 50.0 Hz PG- 27.09.00 PG+ Example of screen in singlephase mode V 12 V 32 V 31 f re q HARM. = = = = WAVE VOLTAGE 384.2 V 385.4 V 383.7 V 50.
GSC53N - GSC57 - ZG47 8.4.3. "HARM" mode Selecting the HARM mode one of the below screens will be displayed according to the settings made as per paragraph 8.12. The screens show the harmonics (see paragraph 17.11) of the phase or phase-to-phase voltage. 27.09.00 V1 h03 h03 ThdV 17:35:12 = 23 0 . 2 = 10.2 = 4.3 = 11.0 V V % % h49 Example of screen in singlephase system 27.09.00 V12 h03 h03 ThdV ChgP 17:35:12 = 400.2 = 14.2 = 3.5 = 11.
GSC53N - GSC57 - ZG47 8.4.4. "WAVE" mode Selecting the WAVE mode one of the below screens will be displayed according to the settings made as per paragraph 8.1. The screens show the waveform of the phase or phase-to-phase voltage. 27.09.00 17:35:12 27.09.00 17:35:12 27.09.00 17:35:12 5:12 V1 = 23 0 . 2 Vpk1 = 32 5 . 5 freq = 5 0 . 0 V V Hz V12 = 400.2 Vpk12= 565.5 freq = 50.0 V V Hz ChgP Example of screen in singlephase system V1 = 230.2 Vpk1 = 325.5 freq = 50.
GSC53N - GSC57 - ZG47 8.5. "CURRENT" FUNCTION This function permits to display in real time the RMS value of AC/DC currents, the peak and Thdl value (see paragraph 17.11) of the 3 phase currents, the waveform and the harmonic spectrum of the 3 phase currents. 8.5.1. Symbols The CURRENT position has three working modes: METER WAVE HARM These modes will be described in detail in the next paragraphs.
GSC53N - GSC57 - ZG47 8.5.2. “METER" mode In this mode the instrument shows one of the screens below according to the settings made as per paragraph 8.1. 27.09.00 17:35:12 CUR R E N T SINGLE P H A S E I1 Ipk1 ThdI freq = = = = WAVE 30.21 A 49.53 A 23.06 % 50.0 Hz PG- 17:35:12 27.09.00 CURRENT CLAMP TYPE: FlexINT HARM. 27.09.00 PG+ Example of screen in singlephase mode I1 I2 I3 f re q = = = = CURRENT 30.21 A 23.53 A 23.06 A 50.0 Hz CLAMP TYPE: FlexINT HARM.
GSC53N - GSC57 - ZG47 8.5.3. “HARM" mode Selecting the HARM mode one of the screens below will be displayed according to the settings made as per paragraph 8.1. The screens show the harmonics (see paragraph 17.11) of the phase currents. 27.09.00 I1 h03 h03 ThdI 17:35:12 = 230.2 = 10.2 = 4.3 = 11.0 27.09.00 I1 h03 h03 ThdI A A % % ChgP h49 Example of screen in singlephase mode 17:35:12 = 230.2 = 10.2 = 4.3 = 11.
GSC53N - GSC57 - ZG47 8.5.4. "WAVE" mode Selecting the WAVE mode one of the below screens will be displayed according to the settings made as per paragraph 8.1. The screens show the waveform of the phase currents. 27.09.00 17:35:12 I1 = 230.2 Ipk1 = 325.5 freq = 50.0 27.09.00 A A Hz 17:35:12 I2 = 400.2 Ipk2 = 565.5 freq = 50.
GSC53N - GSC57 - ZG47 8.6. "POWER" FUNCTION This function permits you to display in real time the RMS value of AC/DC voltage, the peak and ThdV value of the 3 phase voltages, the waveform of the 3 phase voltages, the RMS value of AC/DC currents, the peak and Thdl of the 3 phase currents, the waveform of the 3 phase currents.
GSC53N - GSC57 - ZG47 8.6.2. "METER" mode In this mode the instrument shows one of the below screens according to the settings made as per paragraph 8.1. 27.09.00 17:35:12 27.09.00 PO W E R SINGLE P H A S E V1 I1 P1 Q1 S1 pf1 dpf1 = = = = = = = WAVE 230.0 145.3 32.91 5.767 33.41 0.99 0.99 PG- 17:35:12 27.09.00 POWER THREE WIRE V A kW kVAR kVA i i PG+ Example of screen in singlephase mode Pt Qt St pft dpft ChgP = = = = = WAVE 64.19 10.99 65.12 0.99 1.
GSC53N - GSC57 - ZG47 8.6.2.1. PEAK ENERGY DEMAND In three-phase system selecting the POWER mode and pressing F1 key 3 times you can reach the “Peak Demand” mode. The “Peak Demand” screen shows the Max Average value of Active Power (and the corresponding Energy) measured during the last (or running) recording. The Average value is evaluated in the Integration Period set for the recording. This screen also shows the corresponding Active Energy and the corresponding Peak Date and Time. 27.09.
GSC53N - GSC57 - ZG47 8.6.3. "WAVE" mode Selecting the WAVE mode one of the below screens will be displayed according to the settings made as per paragraph 8.1. The screens show the waveform of the phase currents and the phase (or phase-to-phase) voltage. 27.09.00 V1 I1 pf1 17:35:12 = 22 9 . 7 = 13 2 . 0 = 0. 9 8 27.09.00 V A i V12 I1 17:35:12 = 379.9 = 132.0 V A ChgP Example of screen in singlephase mode 27.09.00 V1 I1 pf1 17:35:12 = 229.7 = 132.0 = 0.
GSC53N - GSC57 - ZG47 8.7. "ENERGY" FUNCTION This function permits to display the values of the phase and total active powers, the value of the phase and total capacitive and inductive reactive powers, the values of the power factors and phase and total cos . Furthermore, the instrument is able to measure directly (see 8.7.2) the values of the phase and total active energies and the values of the phase and total capacitive and inductive reactive energies. 8.7.1.
GSC53N - GSC57 - ZG47 8.7.2. "METER" mode In this mode the instrument shows one of the below screens according to the settings made as per paragraph 8.1. 27.09.00 17:35:12 27.09.00 17:35:12 27.09.00 17:35:12 EN E R G Y SINGL E P H A S E ENERGY THREE PHASE ENERGY THREE PHASE Ea1 = 0.000 kWh Erc1 = 0 . 0 0 0 k V A R h Eri1 = 0 . 0 0 0 k V A R h P1 = 36.38 kW Q1 = 6 . 37 5 k V A R S1 = 36.94 kVA dpf1 = 0 . 9 8 i Meas Time : 0 0 : 0 0 : 0 0 Eat = 0.000 kWh Erct = 0.000 kVARh Erit = 0.
GSC53N - GSC57 - ZG47 8.8. MEASURING PROCEDURES 8.8.1. Using the Instrument in a Single Phase System WARNING The maximum voltage between B1 and B4 inputs is 600 V~ (CATII) / 350V~ phase – earth or 600V~ (CATIII) / 300 V~ phase to earth. Do not measure voltages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
GSC53N - GSC57 - ZG47 8.8.2. Using the Instrument in a Three Phase 4 Wire System WARNING The maximum voltage between B1, B2, B3, B4 inputs is 600 V~ (CATII) / 350V~ phase – earth or 600V~ (CATIII) / 300 V~ phase to earth. Do not measure voltages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
GSC53N - GSC57 - ZG47 6. The values of the available electrical parameters will be displayed. For further details see the paragraph relevant to the position of the switch. 7. You can eventually press HOLD to interrupt the updating in real time of the displayed values. 8. You can press SAVE to save the displayed values (see paragraph 9.2). 9. If you want to record: a) Check and, if needed, modify the values of the basic parameters (see paragraphs 8.1 and 8.2).
GSC53N - GSC57 - ZG47 8.8.3. Using the Instrument in a Three Phase 3 Wire System WARNING The maximum voltage between B1 and B4 inputs is 600 V~ (CATII) / 350V~ phase – earth or 600V~ (CATIII) / 300 V~ phase to earth. Do not measure voltages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
GSC53N - GSC57 - ZG47 b) The active power P of each phase is positive. If negative, turn the clamp of the phase in question. c) The value of the Pf of each phase is not excessively low (typically it’s not lower than 0.4). In case the Pf is lower than 0.4, check if the phase voltage is associated to the right clamp meter (for example the voltage of phase 1 must be associated to the clamp meter no. 1).
GSC53N - GSC57 - ZG47 9. SAVING RESULTS The SAVE button can be used to store the displayed results related to the rotary switch position: SAFETY TEST and for AUX rotary switch position: pressing this key the instrument will store the displayed result generating a corresponding record in the SAFETY TEST MEMORY (see paragraph 11.1) ANALYSER rotary switch position: pressing this key the instrument will store the displayed result generating a "Smp" record in the ANALYSER MEMORY (see paragraph 11.
GSC53N - GSC57 - ZG47 10. 10.1. RECORDINGS START A RECORDING The recording function is available for ANALYSER and AUX rotary switch position. As you can read in the paragraphs 7.2.1 and 8.2, a recording can be started manually or automatically. Therefore, after setting all the parameters and leaving the Menu, the instrument will start to record: MANUALLY: the recording will start when Instrument time reach the “00” seconds value after pressing START/STOP.
GSC53N - GSC57 - ZG47 10.2. SETTING TYPICAL CONFIGURATIONS In order to facilitate this task, the instrument is provided of the following two pre-setting recording modes: 1. Default Configuration: it’s comprehensive which should fit most cases. 2.
GSC53N - GSC57 - ZG47 If the user changed the instrument’s settings can quickly resume the above configuration using the RESET option (see paragraph 5.4). By pressing START/STOP the recording of the selected parameters is started according to the settings made in the MENU (see paragraphs 8.1 and 8.2). The rotary switch position doesn’t affect the recording setting. As the default value of the integration periods is set at 15 minutes the instrument will store data in the temporary memory for 15 minutes.
GSC53N - GSC57 - ZG47 4. Press ENTER key. The instrument displays the message “Data saved” for a while to confirm the desired configuration (see above on the right). The instrument return to the measure mode.
GSC53N - GSC57 - ZG47 HARMONICS ANALYSER CONFIG: System: Frequency: Current Range: Clamp Type: TV Ratio: Password: not modified not modified not modified not modified not modified not modified RECORDER CONFIG: Start: MANU Stop: MANU Integration period: 10min Recording of harmonics: ON Recording of Voltage anomalies (voltage Surge and Dips) : OFF Selected voltages: V1(single); V12,V32,V31(3ph3w); V1,V2,V3 (3ph4w) Sel.
GSC53N - GSC57 - ZG47 POWER & ENERGY ANALYSER CONFIG: System: Frequency: Current Range: Clamp Type: TV Ratio: Password: not modified not modified not modified not modified not modified not modified RECORDER CONFIG: Start: MANU Stop: MANU Integration period: 15min Recording of harmonics: OFF Recording of Voltage anomalies (voltage Surge and Dips) : OFF Selected voltages: V1(single); V12,V32,V31(3ph3w); V1,V2,V3, V12,V32,V31 (3ph4w) Selected current: I1 (single); I1,I2,I3 (3ph3w); I1,I2,I3,In (3ph4w); C
GSC53N - GSC57 - ZG47 10.3. DURING A RECORDING If during a recording the external power supply is de-energised, the instrument will continue the recording using the internal battery power until the batteries are exhausted (the data stored up to the point the instrument shuts down won’t get lost). For this we recommend you ALWAYS insert a new set of batteries before a long recording. The instrument uses sophisticated algorithms to prolong the battery life.
GSC53N - GSC57 - ZG47 10.3.2. Rotary Switch during a recording If You move the rotary switch during a recording the following screen will appear: R e c o r d i ng Recording This page means that a recording is running but the actual rotary switch position doesn't correspond to this. The instrument will continue to record.
GSC53N - GSC57 - ZG47 10.4. STOPPING A RECORDING OR AN ENERGY MEASUREMENT The instrument uses a protective routine to avoid the risk of being disturbed or interrupted during a recording or an energy measurement. Once a recording or a direct energy measurement (see paragraph 8.7.
GSC53N - GSC57 - ZG47 11. INSTRUMENT'S MEMORY By pressing the MENU key the following screen will be displayed: MENU GENERAL SAFETY TEST MEMORY A N A L Y SE R M E M O R Y RESET A N A L Y SE R C O N F I G R E C O R DE R C O N F I G C O N T R AS T D A T E & TI M E LANGUAGE It’s not possible to enter the MENU during a recording or a Real Time Energy measurement. 11.1.
GSC53N - GSC57 - ZG47 11.2. ANALYSER MEMORY This option permits you to display: The present content of the instrument memory The size of the memorised data The residual space available for future recordings (expressed in days and hours) All the stored data can be displayed and analysed only downloading them into a PC with the operating software. After selecting “ANALYSER MEMORY” from the Main Menu the screen below will be displayed ANALYSER MEMORY 01 02 03 04 05 06 Smp Rec R&a Rec R&a Rec 02.
GSC53N - GSC57 - ZG47 12. CONNECTING THE INSTRUMENT TO A PC In order to connect the instrument to a PC you must connect the Optical serial cable code C2001 shipped with the instrument to a PC COM port. The available transmission speeds are the following: 9600, 19200, 57600 (default value) The value of the transmission speed (Baud Rate) is displayed on the initial screen (immediately after turning on the instrument, see paragraph 4.2).
GSC53N - GSC57 - ZG47 14. 14.1. MAINTENANCE GENERAL INSTRUCTION 1. The tester you have purchased is a precision instrument. Strictly follow the instructions for use and storage reported in this manual to avoid any possible damage or danger during use. 2. Do not use this tester under unfavourable conditions of high temperature or humidity. Do not expose to direct sunlight. 3. Be sure to turn off the tester after use.
GSC53N - GSC57 - ZG47 15. 15.1. TECHNICAL SPECIFICATIONS TECHNICAL FEATURES Accuracy is indicated as [% of reading + number of digits]. It refers to the following atmospheric conditions: a temperature of 23°C ± 5°C with a relative humidity < 60%. 15.1.1. Safety Test functions LOW : 200mA CONTINUITY TEST (AUTO, RT+, RT- MODE) Range [ ] 0.01 9.99 10.0 99.
GSC53N - GSC57 - ZG47 FREQUENCY MEASUREMENT Range [Hz] 47.0 (5% rdg + 3digit) 127V 3.65A 230V 6.64A 400V 11.5A 100 265/100 440V 50Hz 50Hz 0.5Hz Accuracy (5%rdg + 3digit) 127V 3.65A 230V 6.64A 100 265V 50hZ 50Hz 0.5Hz 15mA 100 265V 50Hz 50Hz 0.5Hz EARTH: GROUND RESISTANCE MEASUREMENT WITH EARTH RODS Range RE [ ] Resolution [ ] 0.01 – 19.99 0.01 20.0 – 199.9 0.1 200 - 1999 1 Test Current Open circuit Test Voltage Resolution 0.01 m 0.1 m 1 m 0.01 k m 0.
GSC53N - GSC57 - ZG47 15.1.2. ANALYSER and AUX functions VOLTAGE AC/DC MEASUREMENT– SINGLE PHASE AND THREE PHASE SYSTEM (AUTORANGE) Range [V] Resolution [V] Accuracy Input Impedance 15 310V 0.2V 300k (Phase-Neutral) (0.5%rdg +2digit) 300k (Phase - Phase) 310 600V 0.4V For DC voltage add 0.5%rdg to tolerance. AC frequency 45 .. 65Hz. AC VOLTAGE SAG AND SURGE DETECTION – SINGLE PHASE AND THREE PHASE SYSTEM (MANUAL RANGE) Resolution Resolution Accuracy Accuracy (rif.
GSC53N - GSC57 - ZG47 Cos MEASUREMENT – SINGLE PHASE AND THREE PHASE SYSTEM Cos Resolution 0.20 0.50 0.50 0.80 0.01 0.80 1.00 Accuracy [°] 1.0 0.7 0.6 AC frequency 45 .. 65Hz VOLTANGE AND CURRENT HARMONICS MEASUREMENT – SINGLE PHASE AND THREE PHASE SYSTEM Range Accuracy Resolution DC – 25H (5% rdg + 2 digit) 0.1V / 0.
GSC53N - GSC57 - ZG47 15.3. GENERAL SPECIFICATIONS 15.3.1. Mechanical Data Dimensions: Weight: 15.3.2. Power supply Batteries: Battery Life: External Power Supply Adapter: 225 (L) x 165 (W) x 105 (H)mm 1,2Kg approx 6 x 1.
GSC53N - GSC57 - ZG47 15.5. ACCESSORIES GSC57 - Standard accessories Description Cable with 3 terminals with shuko plug Set with 4 cables (2m), 4 crocodiles, 2 test leads Set with 4 cables and 4 earth rods Power Supply cable for LOW 10A function Management Software Optical-USB Cable Carrying Case Calibration Certificate Instruction Manual GSC57 - Optional Accessories Description External Power Supply Adapter for Recordings 4 cable (twisted) 5m with crocodiles for 10A continuity test.
GSC53N - GSC57 - ZG47 GSC53N and ZG47 - Standard accessories Description Cable with 3 terminals with shuko plug Set with 4 cables (2m), 4 crocodiles, 2 test leads Set with 4 cables and 4 earth rods External Power Supply Adapter for Recordings Kit of 3 flexible clamp 1000/3000A – Diameter 174mm Management Software Optical USB Cable Carrying Case Calibration Certificate Instruction Manual GSC53N and ZG47 - Optional Accessories Description Set for carrying Belt Temperature and Humidity Probe Multirange Illumin
GSC53N - GSC57 - ZG47 16. 16.1. SERVICE WARRANTY CONDITIONS This instrument is guaranteed against any defect in material and manufacturing in compliance with the general sales terms and conditions. Throughout the period of guarantee all defective parts may be replaced and the manufacturer reserves the right to repair or replace the product. If the instrument is to be returned to the after-sales service or to a dealer transportation costs are on the customer’s behalf.
GSC53N - GSC57 - ZG47 17. 17.1. PRACTICAL REPORTS FOR ELECTRICAL TESTS Continuity Test on Protective Conductors PURPOSE OF THE TEST Check the continuity of: protective conductors (PE), main equalising potential conductors (EQP), secondary equalising potential conductors (EQS) in TT and TN-S systems. neutral conductors having functions of protective conductors (PEN) in TN-C system.
GSC53N - GSC57 - ZG47 Check the continuity among: a) earth poles of all the plugs and earth collector or node. b) earth terminals of class I instruments (Boiler etc.) and earth collector or node. c) main external masses (water, gas pipes etc.) and earth collector or node. d) auxiliary external masses to the earth terminal.
GSC53N - GSC57 - ZG47 17.2. Insulation Resistance Measurement of The Electrical Installations (250Vdc, 500Vdc, 1000Vdc) EXAMPLE OF INSULATION MEASUREMENT ON AN INSTALLATION Enel meter Switch A Switch B OPEN OPEN OPEN OPEN OPEN Switch C FM socket Switch E near the washing machine with the purpose of separating this from the installation. Insulation measurements on an installation. EN - 127 Switch D near the boiler with the purpose of separating this from the installation.
GSC53N - GSC57 - ZG47 PURPOSE OF THE TEST Check that the insulation resistance of the installation complies with the requirements of IEE 16th edition standard. NOTA: This test is to be effected on an open circuit with any load disconnected. INSTALLATION PARTS TO BE CHECKED a) Between each active conductor and the earth (the neutral conductor is considered an active conductor except in the case of TN-C systems where it is considered part of the earth (PEN).
GSC53N - GSC57 - ZG47 ALLOWABLE VALUES Test voltage (V) Insulation resistance (M ) SELV and PELV* 250 0.250 Up to 500 V included, except for the above circuits. 500 0.500 1000 1.000 Rated circuit voltage (V) Over 500 V * In the new standards the terms SELV and PELV replace the old definitions "safety low voltage" or "functional". Table8: table summarising a few example of the test voltage values and relative limit values.
GSC53N - GSC57 - ZG47 17.3. Check of the Circuit Separation PURPOSE OF THE TEST The test, to be effected in case the protection is realised through separation (SELV or PELV or electrical separation), shall check that the insulation resistance measured according to the indications below (depending on the separation type) complies with the limits reported in the table relative to the insulation measurements.
GSC53N - GSC57 - ZG47 EXAMPLE OF CHECKING THE SEPARATION AMONG ELECTRICAL CIRCUITS Insulation or safety transformer making the separation among the circuits. Between the active parts of the separated circuit... ...And among those other circuits Test among the active parts. Connect a test lead of the instrument to one of the two conductors of the separate circuit and the other to one of the conductors of a no separate circuit. Test between the active parts and the earth.
GSC53N - GSC57 - ZG47 ALLOWABLE VALUES The test result is positive when the insulation resistance indicates values higher or equal to those indicated in the table reported in the section relative to insulation tests. Notes: SELV system: is a system of category zero or very low safety voltage featured by: Power supply: autonomous source (ex. batteries, small generator) or safety (ex. safety transformer).
GSC53N - GSC57 - ZG47 17.4. Earth Resistance Measurement in TT Systems PURPOSE OF THE TEST Check that the RCD is co-ordinated with the earth resistance value. It is not possible to assume an earth resistance value as reference limit when controlling the test result, while it is necessary to check every time that the co-ordination complies with the requirements of the standards. INSTALLATION PARTS TO BE CHECKED The earth installation under working conditions.
GSC53N - GSC57 - ZG47 EXAMPLE FOR EARTH RESISTANCE TEST Let’s assume an installation protected by a 30 mA RCD. Let’s measure the earth resistance using one of the methods quoted above, to evaluate whether the installation resistance is complying with the standards in force and multiply the result by 0.03A (30 mA). If the result is lower than 50V (or 25V for special rooms) the installation can be considered as co-ordinated as it respects the above-said relation.
GSC53N - GSC57 - ZG47 ALLOWABLE VALUES To compare the measurements make reference to the Table 3 reporting the limits for the tripping times. On each RCD it is necessary to effect: a test with leakage current in phase with voltage and a leakage current phase shifted by 180° with respect to the voltage. The highest time is to be considered as significant result. The test at ½I NOTE: n SHALL NEVER cause the RCD tripping.
GSC53N - GSC57 - ZG47 17.7. Measurement of Short-Circuit Fault Impedance (Zpn, Zpp) PURPOSE OF THE TEST Check that the tripping power of the RCD is higher than the maximum fault current of the installation. INSTALLATION PARTS TO BE CHECKED The test shall be effected in the point where the short circuit current is the highest possible, usually immediately downstream the RCD to be checked.
GSC53N - GSC57 - ZG47 17.9. Earth Resistivity Measurement PURPOSE OF THE TEST This test aims at analysing the resistivity value of the ground in order to define the type of rods to be used. EQUIPMENT PARTS TO BE TESTED For the resistivity test admissible values do not exist. The various values measured by positioning the rods at growing distances “a” must be quoted in a graph. According to the resulting curve, suitable rods will be chosen.
GSC53N - GSC57 - ZG47 The measuring method allows to define the specific resistance up to the depth corresponding approximately to the distance “a” between the rods. If you increase the distance “a” you can reach deeper ground layers and check the ground homogeneity.
GSC53N - GSC57 - ZG47 17.10. VOLTAGE ANOMALIES (VOLTAGE SAG AND SURGE) The instruments are able to record as voltage anomalies all those rms values, calculated every 10ms, beyond the percent thresholds of Voltage Reference (Vref) set during the programming from 3% to 30 % (with step of 1%). The Reference must be set to: Nominal Voltage Phase to Neutral: Nominal Voltage Phase to Phase: for Single Phase and 4 wires three phase system for 3 wires three phase system Example1: Three Phase System 3 wires.
GSC53N - GSC57 - ZG47 LEGEND: 1. Fundamental 2. Third Harmonic 3. Distorted Waveform Effect of the sum of 2 multiple frequencies. In the mains voltage, the fundamental has a frequency of 50 Hz, the second harmonic has a frequency of 100 Hz, the third harmonic has a frequency of 150 Hz and so on. Harmonic distortion is a constant problem and should not be confused with short events such as sags, surges or fluctuations. It can be noted that in (1) the index of the sigma is from 1 to the infinite.
GSC53N - GSC57 - ZG47 17.11.2. Limit values for harmonics EN50160 standard fixes the limits for the harmonic voltages, which can be introduced into the network by the power supplier. In normal conditions, during whatever period of a week, 95% if the RMS value of each harmonic voltage, mediated on 10 minutes, will have to be inferior than or equal to the values stated in the following table.
GSC53N - GSC57 - ZG47 17.11.4. Presence of harmonics: consequences nd th In general, even harmonics, i.e. the 2 , 4 etc., do not cause problems. Triple harmonics, odd multiples of three, are added on the neutral (instead of cancelling each other) thus creating a condition of overheating of the wire which is extremely dangerous.
GSC53N - GSC57 - ZG47 In presence of distorted voltages and currents the previous relations vary as follows: Phase Active Power: Pn (n=1,2,3) Vk n I k n cos( kn ) k 0 Phase Apparent Power: Sn (n=1,2,3) Phase Reactive Power: Phase Power Factor: PF n (n=1,2,3) (n=1,2,3) S n2 Qn (n=1,2,3) Distorted Power Factor VnN I n dPFn=cosf1n= Total Active Power: PTOT Total Reactive Power: QTOT Total Apparent Power: S TOT Pn Sn phase displacement between the fundamentals of voltage and current o
GSC53N - GSC57 - ZG47 17.12.1. Conventions on powers and power factors As for the recognition of the type of reactive power, of the type of power factor and of the direction of the active power, the below conventions must be applied.
GSC53N - GSC57 - ZG47 17.12.2. 3 Phase 3 Wire System In the electrical systems distributed without neutral, the phase voltages and the power factors and phase cos lose importance. Only the phase to phase voltages, the phase currents and the total powers remain defined. Phase 1 VAR 1-2 W 1-2 Three-phase Phase 2 equipment Phase 3 VAR 3-2 W 3-2 In this case the potential of one of the three phases (for example, phase 2) is taken on as reference potential.
GSC53N - GSC57 - ZG47 17.13. MEASURING METHOD: OUTLINES The instrument is able to measure: voltages, currents, active powers, inductive and capacitive reactive powers, apparent powers, inductive and capacitive power factors, analogical or impulse parameters. All these parameters are analysed in a digital way: for each phase (voltage and current), 6 x 128 samples are acquired on a module of 16 x 20ms, repeated for the three phases. 17.13.1.
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Via della Boaria 40 48018 – Faenza (RA) - Italy Tel: +39-0546-621002 (4 linee r.a.) Fax: +39-0546-621144 email: ht@htitalia.it http://www.ht-instruments.
