Model UT805 OPERATING MANUAL
Model UT805: OPERATING MANUAL TABLE OF CONTENTS TITLE Overview Unpacking Inspection Safety Information Rules For Safe Operation International Electrical Symbols The Meter Structure A. Front Panel B. Rear Panel Functional Buttons Display Symbols Measurement Operation A. DC Voltage Measurement B. AC Voltage Measurement C. DC or AC Current Measurement D. Measuring Resistance E. Testing Diodes F. Testing for Continuity G. Capacitance Measurement H.
Model UT805: OPERATING MANUAL TITLE B. AC Voltage C. DC Current D. AC Current E. Resistance F. Diode Test G. Continuity Test H. Capacitance I. Frequency Calibration Procedure A. DC Voltage B. AC Voltage C. DC Current D. AC Current E. Resistance F. AC Voltage with DC deviation (AC+DC) G. AC Current with DC deviation (AC+DC) Summary of error codes Maintenance A. General Service B.
Model UT805: OPERATING MANUAL Overview This Operating Manual covers information on safety and cautions. Please read the relevant information carefully and observe all the Warnings and Notes strictly. Warning To avoid electric shock or personal injury, read the “Safety Information” and “Rules for Safety Operation” carefully before using the Meter. Model UT805 is a kind of 5 1/2 digit, vacuum-fluorescent, dual display bench-type true RMS Multimeter (hereafter referred to as “the Meter”).
Model UT805: OPERATING MANUAL Unpacking Inspection Carefully remove the Meter from its shipping container and check the following items carefully to see any missing or damaged part: Item Description 1 Operating Manual 1 piece 2 Test Lead 1 pair 3 Alligator Clip 1 pair 4 Multi-Purpose Socket 1 piece 5 Line Cord (AC220V~50Hz, 15W or AC110V~50Hz, 15W) 1 piece 6 RS232C Interface Cable 1 piece 7 USB Interface Cable 1 piece 8 Installation Guide & Computer Interface Software (CD-ROM) 1 pi
Model UT805: OPERATING MANUAL Safety Information This Meter complies with the standards IEC61010: in pollution degree 2, overvoltage category (CAT. I 1000V, CAT II 600V) and double insulation. CAT. III: Distribution level, fixed installation, with smaller transient overvoltage than CAT. IV. CAT IV: Primary supply level, overhead lines, cable systems etc. Use the Meter only as specified in this operating manual, otherwise the protection provided by the Meter may be impaired.
Model UT805: OPERATING MANUAL l Ensure the Meter is at right measurement position range. Disconnect the connection between the test lead and the circuit under tested before changing over the range. No changeover of range shall be made during measurement is conducted to prevent damage of the Meter. l When the Meter working at an effective voltage over 60V in DC or 30V in AC, special care should be taken for there is danger of electric shock.
Model UT805: OPERATING MANUAL International Electrical Symbols AC or DC Grounding Double Insulated Warning.
Model UT805: OPERATING MANUAL The Meter Structure A. Front Panel (see figure 1) 1. VFD Display 2. Primary Functional Buttons: Different key functions selection. 3. COM Input Terminal: Negative input terminal, inserting the black test lead. 4. V/ Input Terminal: Positive input terminal for voltage and resistance measurement, inserting the red test lead. 5. 200mA MAX Input Terminal: Positive input terminal for mA measurement, inserting the red test lead. 6. 6.
Model UT805: OPERATING MANUAL 10. CAL Button: Calibrate the accuracy of Voltage, Current and Resistance 11. Secondary Functional Buttons: Different side functions selection. 12.
Model UT805: OPERATING MANUAL B. Rear Panel (see figure 2) 1. HI Input Terminal: l 4-wire configuration to measure resistance: high current terminal, inserting red test lead. 2. LO Input Terminal l 4-wire configuration to measure resistance: low current terminal, inserting black test lead. 3. HI Input Terminal l 4-wire configuration to measure resistance, high current terminal, inserting red test lead. 4.
Model UT805: OPERATING MANUAL Functional Buttons The pushbuttons on the front panel select the Meter functions and operations. Below table indicated for information about the functional button operations. Button , AUTO and Button) Operation Performed Switching between auto and manual ranging, step through the ranges when the Meter is at manual ranging measurement mode. Continuity Test Diode Test Frequency Test Capacitance Test Resistance Measurement: l Press to enter resistance measurement mode.
Model UT805: OPERATING MANUAL Button DCI Operation Performed AC Current Measurement 2mA & l Press 2mA down to select 2mA current measurement range. 200mA l Press 200mA down to select 200mA current measurement range. l Press both 2mA and 200mA down is a mis-operation, the Meter displays “ --Err 1-“. l When both 2mA and 200mA are not pressed down, 10A range is default when measuring current.
Model UT805: OPERATING MANUAL Button Operation Performed MAX MIN Press MAX MIN to select the maximum and minimum value. STO and l Press STO to store the reading. RCL HOLD l Press RCL to recall the stored reading. HOLD has two features: 1. Data Holding l Press HOLD to enter Hold mode, the VFD display l Press HOLD again to exit Hold mode, the 2. Exit STO, RCL and MAX MIN mode. disappear. l Press HOLD to exit STO, RCL and MAX MIN mode when the Meter is at STO, RCL and MAX MIN measurement mode.
Model UT805: OPERATING MANUAL Display Symbols (see figure 3) 1 2 HOLD 3 4 5 6 7 8 9 10 11 µS mS kHz AC+DC TrueRMS MAX MIN AVG µmVAnF STO RCL MK WHz 14 13 AUTO 20 19 18 17 16 (figure 3) 14 15 12
Model UT805: OPERATING MANUAL Number Symbol 1 Meaning Indicator for high voltage 2 HOLD 3 AC 4 AC+DC 5 True RMS 6 MAX Display of maximum value 7 MIN Display of minimum value 8 AVG Display of average value 9 Data hold is active Indicator for AC voltage or current Indicator for AC AC Voltage or Current with DC deviation measurement Indicator for True RMS value of AC measurement Test of diode 10 Smaller digits Secondary Display 11 µS The unit of frequency in cycles/second: mS µS
Model UT805: OPERATING MANUAL Number Symbol Meaning 12 kHz The unit of frequency of AC measurement: Kilohertz (shown in the secondary display) 13 nF The unit of capacitance µF nF : Nanofarad mF µF : Microfarad mF : Millifarad mA A mV V A : Amperes (amps). The unit of current. mA : Milliamp V : Volts. The unit of voltage. mV : Millivolt. : Ohm. The unit of resistance. 16 k k : kilohm. M M : Megaohm.
Model UT805: OPERATING MANUAL Number Symbol Meaning 14 Relative mode is on 15 The continuity buzzer is on. 16 Larger digits 17 Primary Display Indicates negative reading.
Model UT805: OPERATING MANUAL Measurement Operation If you have not done so, plug the line cord into the connector on the rear of the Meter. A. DC Voltage Measurement (See figure 4) RL Warning To avoid harms to you or damages to the Meter from electric shock, please do not attempt to measure voltages higher than 1000V or 750V rms although readings may be obtained. To measure DC voltage, connect the Meter as follows: 1.
Model UT805: OPERATING MANUAL 3. Connect the test leads across with the object being measured as shown in figure 4. The measured value shows on the primary display and the secondary display shows the measuring range. The sampling rate is around 2 times per second. Note l When the Meter is not zero in manual range mode, you could short circuit the test lead and press REL to zeroing to increase the accuracy.
Model UT805: OPERATING MANUAL B. AC Voltage Measurement (See figure 5) Warning To avoid harms to you or damages to the Meter from electric shock, please do not attempt to measure voltages higher than 1000V or 750V rms although readings may be obtained. Take extra care when measuring high voltage to avoid electric shock. To measure AC voltage, connect the Meter as follows: 1. Insert the red test lead into the V/ terminal and the black test lead into the COM terminal. 2.
Model UT805: OPERATING MANUAL 3. Connect the test leads across with the object being measured as shown in figure 5. The primary display shows the True RMS AC value, the effective reading is only applicable to the range of 10%~100%. The measured signal frequency value shows on the secondary display. The sampling rate is around 1 time per second. 4. To measure AC signal with DC deviation, first press ACV button, then press AC+DC button.
Model UT805: OPERATING MANUAL C. DC or AC Current Measurement (see figure 6) RL Warning If the fuse burns out during measurement, the Meter may be damaged or the operator himself may be hurt. Use proper terminals, function, and range for the measurement. When the testing leads are connected to the current terminals, do not parallel them across any circuit. COM DCI To measure current, connect the Meter as follows: 1. ACI or DCI measurement do not have auto ranging measurement mode. 2.
Model UT805: OPERATING MANUAL 3. 4. 5. 6. 7. Press ACI or DCI button, then press 200mA button to select 200mA measurement range. Insert the red test lead into the 200mA MAX terminal and black test lead into the COM terminal. It is invalid to press down both 2mA and 200mA button together.\ Connect the test lead in serial with the object being measured. The measured value shows on the primary display. The ACI effective measurement reading is only applicable to the range of 10%~100%.
Model UT805: OPERATING MANUAL D. Measuring Resistance Warning To avoid damages to the Meter or to the devices under test, disconnect circuit power and discharge all the high-voltage capacitors before measuring resistance. To avoid harms to you, please do not attempt to input voltages higher than 60V DC or 30V AC. Two wire configuration measure resistance, connect the Meter as follows: (see figure 7) 1.
Model UT805: OPERATING MANUAL 3. To obtain more accurate readings, you could shortcircuit the test lead and press REL to display “0” before carrying out measurement 4. Connect the test leads across with the object. The measured value shows on the primary display and the measuring range shows on the secondary display. Four wire configuration measure resistance, connect the Meter as follows: (see figure 8) 1. Use 2 sets of test lead and insert them into the rear panel of the Meter. 2.
Model UT805: OPERATING MANUAL Note l When measuring high resistance (>1M ), it is normal to take several seconds to obtain a stable reading. In order to obtain stable reading, choose shorter test lead to carrying out measurement. l The LCD displays OL indicating open-circuit for the tested resistor or the resistor value is higher than the maximum range of the Meter.
Model UT805: OPERATING MANUAL E. Testing Diodes (See figure 9) Warning To avoid possible damage to the Meter and to the device under test, disconnect circuit power and discharge all high-voltage capacitors before testing diodes. To avoid harms to you, please do not attempt to input voltages higher than 60V DC or 30V AC. COM Use the diode test to check diodes, transistors, and other semiconductor devices.
Model UT805: OPERATING MANUAL on the component’s anode and place the black test lead on the component’s cathode. 4. The measured value shows on the primary display and the secondary display shows 6.000V range. Note l Connect the test leads to the proper terminals as said above to avoid error display. The primary display shows OL indicating diode being tested is open or polarity is reversed. The unit of diode is Volt (V), displaying the forward voltage drop readings. l Open circuit voltage is around 2.8V.
Model UT805: OPERATING MANUAL F. Testing for Continuity (See figure 10) Warning To avoid damages to the Meter or to the devices under test, disconnect circuit power and discharge all the high-voltage capacitors before testing for continuity. To avoid harms to you, please do not attempt to input voltages higher than 60V DC or 30V AC. To test for continuity, connect the Meter as below: 1. Insert the red test lead into the terminal and the black test lead into the COM terminal. 2.
Model UT805: OPERATING MANUAL Note l Open circuit voltage around 1.2V. l The primary display shows OL indicating the tested circuit is open. l When continuity testing has been completed, disconnect the connection between the testing leads and the circuit under test, and remove the testing leads away from the input terminals of the Meter.
Model UT805: OPERATING MANUAL G. Capacitance Measurement (See figure 11) Warning To avoid damage to the Meter or to the equipment under test, disconnect circuit power and discharge all high-voltage capacitors before measuring capacitance. Use the DC Voltage function to confirm that the capacitor is discharged. To avoid harms to you, please do not attempt to input voltages higher than 60V DC or 30V AC. To measure capacitance, connect the Meter as follows: 1.
Model UT805: OPERATING MANUAL 4. The measured value shows on the primary display. The secondary display shows the measuring range Note l If the tested capacitance has polarity, connect the red test lead to the capacitor’s positive and the black test lead to the capacitor’s negative. l When the Meter is in open circuit and manual ranging mode, press REL to display “0”. l In the manual range mode, press to up range or down range to the desired range.
Model UT805: OPERATING MANUAL H. Frequency Measurement (see figure 12) Warning To avoid harms to you, please do not attempt to input voltages higher than 60V DC or 30V AC. To measure frequency, connect the Meter as follows: 1. Insert the red test lead into the terminal and the black test lead into the COM terminal. 2. Press Hz button to select frequency measurement mode. Auto ranging is default. 3. Connect the test leads across with the object being measured.
Model UT805: OPERATING MANUAL Note l When making frequency measurement, it must comply with the following scope (a) requirement: When 10Hz ~ 1Mz : 150mV a 30V rms. When > 1Mz~ 10MHz : 300mV a 30V rms When > 10Mz~ 50MHz : 600mV a 30V rms When > 50Mz : Unspecified l In the manual range mode, press to up range or down range to the desired range.
Model UT805: OPERATING MANUAL Selecting a Measurement Range ( , AUTO and Button) The Meter is default at DC Voltage 2V auto ranging measurement mode when turning on the Meter. Measurement ranges can be selected automatically by the Meter in autorange or manually by the user. In the autorange mode, the Meter selects the appropriate range for the measurement reading. The use of the buttons of , AUTO and : l Press or button to enter the previous range of the auto ranging measurement mode.
Model UT805: OPERATING MANUAL The Use of Relative Value Mode Relative Mode applies to all functions except continuity, diode and frequency measurements. When the relative mode is selected, the reading on the primary display is always the difference between the relative base and the input measurement. For example, if the relative base is 15.0000V, and the present reading is 14.1000V, the display will show -00.9000. Press REL to toggle in and out of the relative mode.
Model UT805: OPERATING MANUAL MAX MIN Mode MAX MIN mode applies only to DCV, ACV, ACV and ACI with DC deviation, and resistance. Press MAX MIN when the Meter is at other measurements mode, the Meter displays “--Err 1-“ and then back to the current measurement mode. The MAX MIN mode causes the Meter to store minimum and maximum inputs measured since the MAX MIN was selected. Press MAX MIN to select the MAX MIN mode.
Model UT805: OPERATING MANUAL The Use of STO and RCL Button STO Button l Press STO to step through 7 different storage speed including r=0, r=1, r=2, r=3, r=4, r=5 and r=6, they will be shown on the secondary display. l r=0 means store each reading per each sampling.
Model UT805: OPERATING MANUAL Operation of Hold Mode General Specifications The Hold mode allows you to take a measurement and hold that measurement on the display. This feature can be particularly advantageous in difficult or hazardous circumstances when you might want to keep your eyes fixed on the probes, and then read the display when it is safe or convenient to do so. When a new, stable reading is detected, the display is automatically updated.
Model UT805: OPERATING MANUAL l Icon Display: Equipped with functions and electrical unit symbol icon display. l Polarity Display: Auto l Overloading Display: OL l Temperature: Operating: 0 0 C to +40 0 C (32 0 F to +104 0 F). Storage : -100C to +500C (140F to +1220F). l Relative Humidity: 75% @ 00C - 300C below; 50% @ 300C - 400C. l Altitude: Operating: 2000 m. Storage : 10000 m. l Power: AC220V~50Hz, 15W or AC110V~50Hz, 15W l Dimensions (HxWxL): 240 x 105 x 370 mm. l Weight: Approximate 2.
Model UT805: OPERATING MANUAL Accuracy Specifications Accuracy: (a% reading + b digits), guarantee for 1 year. Operating temperature: 230C 50C. Relative humidity: not more than 75% RH. Temperature coefficient: 0.1 x (specified accuracy)/10C. Note l UT805 multimeter is a precise digital multimeter when you turn on the UT805 allow a warm-up period of at least 30 minutes for the internal components to stabilize this ensures that the multimeter accord with the specification A.
Model UT805: OPERATING MANUAL B. AC Voltage (True RMS) Range Accuracy Resolution 40Hz~10kHz 200mV 1 V 2V 10 V 20V 100 V 200V 1mV 750V 10mV (0.1%+100) (0.2%+200) (0.2%+100) (0.3%+200) 40Hz-1kHz: >1kHz-5kHz: (0.3%+100) Remarks: l Overload Protection: 1000V DC or 750V AC l Input Impedance:10M l AC+DC Tolerance Limit: Same as AC + 1% l Displays: The effective reading is only applicable to the range The full range of each measurement range displays 42 >10~30kHz (0.
Model UT805: OPERATING MANUAL C. DC Current Range Measurement Scope Resolution 2mA 0.01 A~2.20000mA 0.01 A 20mA 1 A~220.000mA 1 A 10A 0.1mA~10.0000A 0.1mA Accuracy (0.03%+10) (0.8%+60) Remarks: l Overload Protection: At mA Range: Fuse 315mA, 250V, fast type, 5x20mm. At A Range :Fuse 10A, 250V, fast type, 5x20mm. l At 5A range :Continuous measurement is allowed. l At >5A range:For continuous measurement 10 seconds and interval not less than 15 minutes.
Model UT805: OPERATING MANUAL D. AC Current (Frequency range: 40Hz~5kHz) Range Measurement Scope Resolution 2mA 0.01 A~2.20000mA 0.01 A 20mA 1 A~220.000mA 1 A 10A 0.1mA~10.0000A 0.1mA Accuracy (0.3%+100) (2%+200) Remarks: l Overload Protection: At mA Range:Fuse 315mA, 250V, fast type, 5x20mm. At A Range :Fuse 10A, 250V, fast type, 5x20mm. l At 5A range: Continuous measurement is allowed. l At >5A range: For continuous measurement 10 seconds and interval not less than 15 minutes.
Model UT805: OPERATING MANUAL E. Resistance Range Measurement Scope Resolution Accuracy 2k 0.01 ~2.20000k 0.01 In REL mode: (0.01%+8) 20k 0.1 ~22.0000k 0.1 In REL mode: 200k 1 ~220.000k 1 (0.01%+5) 2M 10 ~2.20000M 10 (0.02%+10) 20M 100 ~22.0000M 100 (0.
Model UT805: OPERATING MANUAL F. Diode Test Range Measurement Scope Resolution Overload Protection Remarks l Open circuit voltage approximate 2.8V. 0.00~6.00V 10mV 250Vp l A good silicon junction drops between 0.5V and 0.8V G. Continuity Test Range Measurement Scope Resolution Overload Protection Remarks l Open circuit voltage approximate -1.2V. l When circuit disconnected with 0~600 1 250Vp resistance value 50 , buzzer does not beep.
Model UT805: OPERATING MANUAL H. Capacitance Range Measurement Scope Resolution Accuracy 6nF 1pF~5.999nF 1pF In REL mode: (2.5%+5) 60nF 10pF~59.99nF 10pF In REL mode: (2.0%+5) 600nF 100pF~599.9nF 100pF 6 F 1nF~5.999 F 1nF 60 F 10nF~59.99 F 10nF 600 F 100nF~599.9 F 100nF (5.0%+5) 6mF 1 F~5.999mF 1 F Un-Specified (2.
Model UT805: OPERATING MANUAL I. Frequency Range Measurement Scope 6kHz 1Hz~5.999kHz 1Hz 60kHz 10Hz~59.99kHz 10Hz 600kHz 100Hz~599.9kHz 100Hz 6MHz 1kHz~5.999MHz 1kHz 60MHz 10kHz~59.99MHz 10kHz Remarks: l Overload Protection: 250Vp l Input scope (a): (DC electric level is zero) When 10Hz ~ 1MHz: 150mV a 30V rms When > 1MHz ~ 10MHz: 300mV a 30V rms When > 10MHz ~ 50MHz: 600mV a 30V rms When > 50MHz: Unspecified 48 Resolution Accuracy (0.
Model UT805: OPERATING MANUAL CALIBRATION PROCEDURE l The calibration must be done in manual ranging mode. l Power-up the Meter and allow it to stabilize for one hour. l The accuracy of the original source must be 1/3 better than the calibrated range A. DC Voltage (Calibrate both positive and negative polarity) 200mV: Short circuit the test lead, press REL to display “0”, input 190mV, then press CAL button. The Meter displays: (--CAL--) (-HI-END) (190.000mV), calibration finished.
Model UT805: OPERATING MANUAL B. AC Voltage(750V range: frequency 1kHz, all other ranges: frequency 20kHz) 200mV: Input 19mV, press CAL button to display (-- CAL--) (-LO-END) ( ) Input 190mV, press CAL button to display (--CAL--) (-HI-END) (190.000mV), calibration finished 2V : Input 190mV, press CAL button to display (--CAL--) (-LO-END) ( ) Input 1.9V, press CAL button to display (-- CAL--) (-HI-END) (1.90000V), calibration finished. 20V : Input 1.
Model UT805: OPERATING MANUAL C. DC Current (Calibrate both positive and negative polarity) 2mA : Press REL to display “0”, input 1.9mA, press CAL button to display (--CAL--) (-HI-END) ( 1.90000mA), calibration finished. 200mA : Press REL to display “0”, input 190mA, press CAL button to display (--CAL--) (-HI-END) ( 190.000mA), calibration finished 10A : Press REL to display “0”, input 10A, press CAL button to display (--CAL--) (-HI-END) ( 10.0000A), calibration finished D.
Model UT805: OPERATING MANUAL E. Resistance : Press REL press CAL (-HI-END) finished. 20k : Press REL press CAL (-HI-END) finished. 200k : Press REL press CAL (-HI-END) finished. 2M : Press REL press CAL (-HI-END) finished. 20M : Press REL press CAL (-HI-END) finished 2k 52 F. AC Voltage with DC deviation (AC+DC) to display “0”, input 1.9k , button to display (--CAL--) ( 1.90000k ), calibration to display “0”, input 19k , button to display (--CAL--) ( 19.
Model UT805: OPERATING MANUAL SUMMARY OF ERROR CODES If the Meter is failed to operate properly, an error code is displayed in the primary display. Error codes are listed in below table: Error Code Description Err1 Wrong button is pressed Err2 At AVG mode, the number of average times > 999998, out of range. At REL mode, the stored value > 220000, out of range.
Model UT805: OPERATING MANUAL Maintenance A. General Service This section provides basic maintenance information including general service and fuse replacement instruction. l Calibrate the Meter around once a year to ensure the accuracy of each functions. l Periodically wipe the case with a damp cloth and mild detergent. Do not use abrasives or solvents. l To clean the terminals with cotton bar with detergent, as dirt or moisture in the terminals can affect readings.
Model UT805: OPERATING MANUAL B. Replacing the Fuses (see figure 13) Warning To avoid electrical shock or arc blast, or personal injury or damage to the Meter, use specified fuses ONLY in accordance with the following procedure. To replace the Meter’s fuse: 1. Turn the Meter off, disconnect the power cord and remove all connections from the terminals. 2. Fuse 1:The line power fuse is in series with the power supplier. This fuse is located at the top of the power -line cord connector on the rear panel.
Model UT805: OPERATING MANUAL the fuse from its bracket. Then install the replacement fuse. 3. Install ONLY replacement fuses with the identical type and specification as follows and make sure the fuse is fixed firmly in the bracket. Fuse 1: 315mA, 250V, fast type, 5x20mm (AC220V) Fuse 2: 315mA, 250V, fast type, 5x20 mm (mA) Fuse 3: 10A, 250V, fast type, 5x20 mm (A) Replacement of the fuses is seldom required. Burning of a fuse always results from improper operation.
Model UT805: OPERATING MANUAL RS232C and USB Serial Port System Requirements for Installing the UT805 Interface Program To use UT805 Interface Program, you need the following hardware and software: l An IBM PC or equivalent computer with 80486 or higher processor and 600 x 800 pixel or better monitor. l Microsoft Windows 95 or above. l At least 8MB of RAM. l At least 8MB free space in hard drive. l Can access to a local or a network CD-ROM. l A free serial port.
Model UT805: OPERATING MANUAL RS232C Serial Port A. Connecting between the Meter and computer (see figure 14) B. RS232C Port Cable The Meter D-sub 9 Pin Male 2 (RXD) 3 (TXD) 5 (SG) Computer D-sub D-sub 9 Pin Female 25 Pin Female 3 (TXD) 2 (TXD) 2 (RXD) 3 (RXD) 5 (SG) 7 (SG) C.
Model UT805: OPERATING MANUAL Serial port output 25 bits.
Model UT805: OPERATING MANUAL The Meter adopts a single large alphabet command, each command is sent out twice as below table: Number Command Meaning Number Command Meaning 1 A DCI 10 J ACV 2 B 3 C 11 K REL 12 L HOLD 4 D ACI 13 M 5 E AC+DC 14 N When the Meter receives the computer sent command, same large alphabet command twice, it will return the same alphabet. The Meter will not response if a wrong alphabet command is received.
Model UT805: OPERATING MANUAL USB Serial Port A. Connecting between the Meter and computer (see figure 15) B. Setting of USB Serial Ports Install the USB serial port driver according to the Installation Guide & Computer Interface Software before connecting the Meter and computer. Check for the USB Serial port shown at the Control Panel => System => Device Manager. Make sure connect the Meter and the computer with the same port.
Model UT805: OPERATING MANUAL This operating manual is subject to change without notice. C Copyright 2005 Uni-Trend International Limited. All rights reserved.
