User manual EQUITEST 5071 Copyright HT ITALIA 2013 Versione EN 1.
EQUITEST 5071 Table of contents 1. PRECAUTIONS AND SAFETY MEASURES .................................................................. 2 1.1. Preliminary instructions ......................................................................................................... 2 1.2. During use ............................................................................................................................. 3 1.3. After use ...............................................................................
EQUITEST 5071 1. PRECAUTIONS AND SAFETY MEASURES The instrument has been designed in compliance with Standards IEC/EN61557 and IEC/EN 61010-1 relevant to electronic measuring instruments. CAUTION For your safety and in order to prevent damaging the instrument, please carefully follow the procedures described in this manual and read all notes preceded by the symbol with the utmost attention.
EQUITEST 5071 1.2. DURING USE Please carefully read the following recommendations and instructions: CAUTION Failure to comply with the caution notes and/or instructions may damage the instrument and/or its components or be a source of danger for the operator. Before activating the rotary switch, disconnect the test leads from the circuit under test. When the instrument is connected to the circuit under test, never touch any terminal, even if unused.
EQUITEST 5071 2. GENERAL DESCRIPTION Instrument EQUITEST 5071 carries out the following measurements: LOW: Continuity test of protective conductors with test current of 200mA in compliance with standard IEC/EN61557-4 LOW10A: Continuity test of protective conductors with test current of 10A in compliance with standard IEC/EN60439-1 LOW10AE60204: Continuity test of protective conductors with test current of 10A in compliance with standard IEC/EN60204-1:2006.
EQUITEST 5071 4. INSTRUMENT DESCRIPTION 4.1. FRONT PANEL CAPTION: 1. LCD display 2. F1, F2, F3, F4 keys 3. / key 4. START/STOP key 5. HOLD/ENTER key 6. SAVE key 7. ESC key 8. MENU key 9. Rotary selector switch Fig. 1: Description of the instrument’s front panel 4.2. INPUT AND OUTPUT LEADS CAPTION: 1. B1, B2, B3, B4 inputs 2. Input for external 230V/50Hz power supply for functions LOW10A and LOW10AE60204 3. Optical serial output for PC connection Fig.
EQUITEST 5071 4.3. DESCRIPTION OF FUNCTION KEYS Key / F1, F2, F3, F4 START/STOP SAVE HOLD/ENTER MENU ESC Description Key to switch on/off the instrument. Press and hold the key for some seconds to turn off the instrument. Shortly press this key to activate display backlighting. Keys for programming the internal parameters associated with the functions of the instrument. Key for starting measuring. STOP function not enabled. Key for saving measurement results.
EQUITEST 5071 4.6. BACKLIGHT During instrument operation, a further short pressing of the / key turns on the display’s backlighting. In order to save battery efficiency, backlighting automatically turns off after approx. 5 seconds. A frequent use of backlighting reduces the batteries’ life. 5.
EQUITEST 5071 5.2. ADJUSTING DATE AND TIME Proceed as follows: 1. Press the MENU key with the selector switch in any position to enter the General Menu. 2. Use the F1 key to move the cursor to “DATE&TIME”. Confirm with ENTER. The following screen appears on the display: DATE&TIME 25 . 08 . 12 15 : 25 : 00 + - 3. Use the F1 and F2 keys to alternately select the date and time fields. The selected field appears with a black background. The date is expressed with format: “gg.mm.
EQUITEST 5071 6. OPERATING INSTRUCTIONS 6.1. LOW: CONTINUITY OF PROTECTIVE CONDUCTORS WITH 200mA Measurement is carried out in compliance with standard IEC/EN61557-4. CAUTION Before carrying out the continuity test, make sure there is no voltage at the ends of the conductor to be analyzed. Turn the rotary switch to LOW.
EQUITEST 5071 6.1.1. Calibration of measuring cables 1. Insert the black cable and the blue cable into the relevant input terminals B1 and B4 of the instrument. Fig. 3: Terminal connection during calibration procedure 2. If, for the measurement to be carried out, the length of the cables provided should be insufficient, extend the blue cable. 3. Insert two alligator clips into the cable terminals. 4.
EQUITEST 5071 6.1.2. Measuring 1. Select the desired mode using the F1 key. 2. Insert the black cable and the blue cable into the relevant input terminals B1 and B4 of the instrument: Fig. 4: Instrument connection for LOW test 3. If, for the measurement to be carried out, the length of the cables provided should be insufficient, extend the blue cable. 4. Insert two alligator clips into the cable terminals. 5.
EQUITEST 5071 "AUTO" mode results At the end of the test, in case the average value of resistance Ravg measured is lower than 5, the instrument gives out a double sound to signal the positive result of the test. The following screen appears on the display: LOW 30.11.12 Average value resistance Ravg of 1.05 R+ 1.07 219mA AUTO FUNC R1.03 219mA Value of test current 0.11 CAL The results can be saved by pressing the SAVE key twice (see § 7.1).
EQUITEST 5071 6.1.2.1. Anomalous situations in "AUTO", "RT+", "RT-" mode If the instrument detects a voltage higher than approx. 15V at the input terminals, the message to the side appears on the display. LOW 30.11.12 -.- - R+ -.-- ---mA R-.-- ---mA VOLT IN INPUT AUTO 0.11 FUNC If the instrument detects that: RCALIBRATION > RMEASURED the message to the side appears on the display.
EQUITEST 5071 6.2. LOW10A: CONTINUITY OF PROTECTIVE CONDUCTORS WITH 10A Measurement is carried out in compliance with standards IEC/EN60439-1. Measurement is carried out by voltammetric method with 4 wires. Therefore, the calculated value is not influenced by the value of resistance of the measuring cables, so it is not necessary to carry out any preventive calibration of the cables used for measuring (unlike with function LOW).
EQUITEST 5071 Fig. 5: Instrument connection for LOW10A test 5. Press the START key. The instrument starts testing. CAUTION When message "MEASURING…" is displayed, this indicates that the instrument is carrying out the test. Never disconnect the instrument’s leads during this phase. At the end of the test, the instrument gives out a double sound to indicate that test has been correctly performed and the following screen appears on the display. LOW 10A 31.11.12 Measured resistance 0.107 13.
EQUITEST 5071 6.2.2. Anomalous situations If the instrument does not LOW 10A detect any power supply at connector "230V 50Hz", it displays the message reported to the side. 31.11.12 ----- ----A NO POWER SUPPLY RLIM=0.100 If the instrument detects a resistance higher than the limit set, it gives out a long sound and the following screen appears on the display. LOW 10A 31.11.12 Symbol indicates a resistance higher than the limit set. 0.323 Test current 9.12A RLIM=0.
EQUITEST 5071 6.3. LOW10AE204: CONTINUITY 10A IN COMPLIANCE WITH IEC/EN602041:2006 Measurement is carried out in compliance with standard IEC/EN60204-1:2006, which states that measurement result must be compatible with the protective conductor’s length, section and material.
EQUITEST 5071 6.3.1. Measuring 1. Turn the rotary switch to LOW10AE204. The following screen appears on the display: LOW10AE204 30.11.12 ----- ----A LEN: 10.0 SEC: 4.0 2. Use the F1 and F2 keys to set the length in range 0.1m 999.9m and keys F3 and F4 to set the section of the protective conductor being tested, selecting the values 0.5, 1, 1.5, 2.5, 4, 6, 10, 16mm2. Keep the function keys pressed for a quick setting of the desired values 3.
EQUITEST 5071 5. Press the START key. The instrument starts testing. CAUTION When message "MEASURING…" is displayed, this indicates that the instrument is carrying out the test. Never disconnect the instrument’s leads during this phase. At the end of the test, the instrument gives out a double sound to indicate that test has been correctly performed and the following screen appears on the display. LOW 10A 31.11.12 Measured resistance 0.012 22.7A LEN: 10.0 SEC: 4.0 Test current 6.
EQUITEST 5071 6.3.2. Anomalous situations If the instrument does not LOW10AE204 detect any power supply at connector "230V 50Hz", it displays the message reported to the side. 30.11.12 ----- ----A NO POWER SUPPLY LEN: 10.0 If the instrument detects a resistance higher than the limit set, it gives out a long sound and the following screen appears on the display. LOW10AE204 SEC: 4.0 30.11.12 Symbol indicates a resistance higher than the limit set. 0.323 Test current 9.12A LEN: 10.
EQUITEST 5071 6.4. LOOP/RA : LOOP IMPEDANCE, OVERALL EARTH RESISTANCE AND PHASE SEQUENCE Measurement is carried out in compliance with standards IEC/EN61557-3 and IEC/EN60204-1:2006. Turn the rotary switch to LOOP/Ra . With the F1 key it is possible to select one of the following measuring modes (which cyclically appear when pressing the key): “P-N” mode (the instrument measures impedance between Phase conductor and Neutral conductor and calculates the assumed PhaseNeutral short-circuit current.
EQUITEST 5071 6.4.1. High-resolution impedance measurement (0.1 m) The instrument allows measuring impedance with a high resolution next to a MT/BT transformer by using the optional accessory IMP57. Measurement is selectable in modes LOOP P-P, P-N, P-PE by means of the F2 key (Z2). In case high-resolution impedance measurement is selected with no connection of the accessory IMP57, the instrument shows a screen similar to the following one (e.g.: Loop P-N): LOOP 30.11.
EQUITEST 5071 CAUTION The following test entails the circulation of a maximum current of approx. 6A between phase and neutral. This could cause the tripping of possible magnetothermal protections with lower tripping currents. In this case, carry out the measurement upstreams of the protections. CAUTION When message "MEASURING…" is displayed, this indicates that the instrument is carrying out the test. Never disconnect the instrument’s leads during this phase.
EQUITEST 5071 6.4.3. "P-P" mode: measurement procedure and results 1. Select the P-P mode using the F1 key. 2. Insert the 3 Black, Green, Blue connectors of the separate cables into the relevant instrument input terminals B1, B3, B4. Fig. 9: Instrument connection for measuring Phase-Phase impedance 3. Insert the alligator clips onto the conductors of the three-phase system (see Fig. 9) 4.
EQUITEST 5071 6.4.4. "P-PE" mode: measurement procedure and results 1. Select the P-PE mode using the F1 key. 2. Insert the 3 Black, Green, Blue connectors of the shuko cable or of the separate cables into the relevant instrument input terminals B1, B3, B4 (see Fig. 10, Fig. 11, Fig. 12). In case separate cables are used, insert alligator clips on the free cable ends. Fig. 10: Connection for measuring P-PE impedance of single-phase/two-phase 230V system Fig.
EQUITEST 5071 At the end of the test, the instrument gives out a double sound to indicate that test has been correctly performed and the following screen appears on the display. LOOP 30.11.12 1.07 215A Freq=50.0HZ VP-N=231V Vp-PE=231V Value of Phase-Earth impedance expressed in . Value of the assumed PhasePhase short-circuit current calculated using the formula reported below P-PE FUNC Z2 Operating mode N.B.
EQUITEST 5071 " mode: measurement procedure and results 6.4.5. "RA 1. Select the RA mode using the F1 key. 2. Insert the 3 Black, Green, Blue connectors of the shuko cable or of the separate cables into the relevant instrument input terminals B1, B3, B4 (see Fig. 13, Fig. 14, Fig. 15). In case separate cables are used, insert alligator clips on the free cable ends. Fig. 13: Connection for Ra measuring of single-phase/two-phase 230V system Fig.
EQUITEST 5071 At the end of the test, the instrument gives out a double sound to indicate that test has been correctly performed and the following screen appears on the display. LOOP 1.07 215A Freq=50.0HZ VP-N=231V Vp-PE=231V RA Operating mode 30.11.12 Value of Phase-Earth resistance expressed in Value of the assumed PhaseEarth short-circuit current calculated using the formula reported below FUNC N.B.
EQUITEST 5071 6.4.6. " " mode: measurement procedure and results 1. Select the " " mode using the F1 key. 2. Insert the 3 Black, Blue, Green connectors of the separate cables into the relevant instrument input terminals B1, B2, B3. Fig. 16: Instrument connection for phase sequence test 3. Insert the alligator clips onto the conductors of the three-phase system (see Fig. 16) 4. Press the START key. The instrument carries out the test.
EQUITEST 5071 6.4.6.1. Anomalous situations in "P-P", "P-N", "P-PE","RA If the instrument detects a Phase-Neutral voltage and a Phase-Earth voltage lower than 100V, the following message appears on the display. Check that the system being tested is supplied. LOOP ---A FRQ=50.0HZ VP-N= 1V VP-PE= 0V Insufficient voltage LOW VOLTAGE 50V UL Z2 LOOP 30.11.12 --- ---A Freq=50.0HZ VP-N=401V VP-PE=230V Voltage too high HIGH VOLTAGE P-PE FUNC 50V UL Z2 LOOP 30.11.
EQUITEST 5071 If in a 230V system, the instrument detects that terminals B3 and B4 have been exchanged, the following message appears on the display. Check the connection of the separate cables. LOOP 30.11.12 --- ---A FRQ=50.
EQUITEST 5071 Using modes "P-P", "PN", if the instrument detects an impedance higher than 199.9, the following screen appears on the display. LOOP 30.11.12 >199.9 Symbol ">" indicates that the value of impedance is higher than the maximum measurable value ---A FRQ =50.0HZ VP-N= 1V VP-PE= 0V P-N FUNC Z2 The results can be saved by pressing the SAVE key twice (see § 7.1).
EQUITEST 5071 In " " mode, if one of the Phase-Phase voltages does not reach the minimum threshold value of 100V, the instrument does not perform any test and displays the following screen. Check that all phases of the electric system being tested have voltage. Using the " " mode, if two phases of the electric system coincide, the instrument does not perform any test and displays the following screen. Check that all phases of the electric system being tested have voltage.
EQUITEST 5071 7. OPERATIONS WITH THE MEMORY 7.1. STORAGE OF MEASUREMENT RESULTS 1. With displayed result, press the SAVE key. The following screen appears on the display: The parameter "LAST REF" (numerical marker) may be used to help the operator find out the point in which a measurement has been carried out. The value of this parameter can be freely modified and is not bound to the memory location in which the results shall be saved, which progressively increases. There are up to 255 markers available.
EQUITEST 5071 8. CONNECTING THE INSTRUMENT TO THE PC To transfer data to the PC, follow this procedure: 1. Install the TopView software found in the provided CD-ROM. 2. Install the C2006 cable driver found in the provided CD-ROM. 3. Launch TopView software. The following initial screen appears on the PC screen: 4. Switch on the instrument and leave it in any reading screen. 5.
EQUITEST 5071 9. MAINTENANCE 9.1. GENERAL INFORMATION 1. The instrument you purchased is a precision instrument. While using and storing the instrument, carefully observe the recommendations listed in this manual in order to prevent possible damage or danger during use. 2. Do not use the instrument in environments with high humidity levels or high temperatures. Do not expose to direct sunlight. 3. Always switch off the instrument after use.
EQUITEST 5071 10. TECHNICAL SPECIFICATIONS Accuracy indicated as [%reading + (number of digits)* resolution] at 23°C±5°C, <60%RH Continuity of protective conductors with 200mA (LOW) Measuring range Resolution () Mode () 0.01 0.01 9.99 AUTO, R+TIMER, R-TIMER 0.1 10.0 99.
EQUITEST 5071 10.1. REFERENCE STANDARDS Safety: Insulation: Pollution level: Measurement category: LOW (200mA): LOW10A: LOW10AE60204: LOOP P-P, P-N, P-PE, Ra: PHASE SEQUENCE: IEC/EN61010-1, IEC/EN61557-1, -3, -4, -7 double insulation 2 CAT II 600VAC (inputs) / 350VAC to earth CAT III 600VAC (inputs) / 300VAC to earth IEC/EN61557-4 IEC/EN60439-1 IEC/EN60204-1:2006 IEC/EN61557-3 IEC/EN61557-7 10.2.
EQUITEST 5071 11. SERVICE 11.1. WARRANTY CONDITIONS This instrument is warranted against any material or manufacturing defect, in compliance with the general sales conditions. During the warranty period, defective parts may be replaced. However, the manufacturer reserves the right to repair or replace the product. Should the instrument be returned to the After-sales Service or to a Dealer, transport will be at the Customer’s charge. However, shipment will be agreed in advance.
YAMUM0055HT0 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.
