CONTENT I.Safety Precautions and Procedures…………………………………………3 II.Introduction……………………………………………………………………4 III. Rang and Accuracy……………………………………………………………5 IV .Technical Specifications……………………………………………………6 V. Structure …………………………………………………………………………8 VI.Measuring Principle……………………………………………………………9 VII.Operation Method………………………………………………………………9 1. Power On/Off……………………………………………………………………9 2. Battery Voltage Check………………………………………………………9 3. DC Voltage Test………………………………………………………………9 4. AC Voltage Test………………………………………………………………10 5. Insulation Resistance Test…………………………………………………10 6. GUARD Use of Protective Wires……………………………………………12 7....
I.Safety Rules and Precautions Thank you for purchasing our company's digital high-voltage insulation resistance meter. Before you use this instrument for the first time, in order to avoid possible electric shock or personal injury, please be sure to read and strictly observe the safety rules and precautions listed in this manual. . In any case, the use of this instrument should pay special attention to safety.
strictly in compliance with the manual content. u The instrument output high voltage, please be sure to connect the test line hand to leave the test line before pressing the test button to test, otherwise there is danger of electric shock. u After the test is completed, wait for one minute for the discharge to complete before removing the test line.
Ω. DC voltage measurement range 0 ~ 1000V, AC voltage measurement range 0 ~ 750V 。 III.Measuring Range and Accuracy Test Output Resoluti Measure Range Accuracy Function Voltage 0~10MΩ 0.01MΩ 10~100MΩ ±3%rdg±5dgt 0.1MΩ 100V (±10%) 100~1000MΩ 1MΩ 1G~10GΩ ±5%rdg±5dgt 0.01GΩ 0~10MΩ...
Test Measure Range Accuracy Resolution Function DC Voltage DC 0.0V~1000V ±1.5%rdg±3dgt 0.1V AC Voltage AC 0.0V~750V ±1.5%rdg±3dgt 0.1V IV .Technical Specifications Function Insulation resistance test, voltage test Base conditions 23°C±5°C,below 75%rh Rated voltage(V) 100;250;500;1000;2500V;5000V Test Voltage(V) rated voltage×(1±10%) Insulation Resistance 0.01MΩ~1000GΩ...
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Controllable gray screen backlight, suitable for use in dim Backlight places Dispaly mode 4-bit large LCD display, gray screen backlight LCD display size 108mm×65mm Instrument size L/W/H:277.2mm×227.5mm×153mm With USB interface, software monitoring, storage data can be USB interface uploaded to the computer, save the print Communication Line USB communication line 1PC Test Line...
VI.Measuring Principle Insulation resistance measurement uses a voltage generator to generate a voltage, V, applied across the resistor, measuring the current I flowing across the resistor, and calculating the ground resistance value R according to the formula R=V/I. VII.Operation Method 1.Power On/Off Press the POWER button to turn the switch on and off.
4.AC Voltage Test Input instrument AC voltage cannot exceed 750V。 When measuring, turn the rotary switch to the gear position, connect the green lead to the V terminal, the black lead to the COM, and the LCD displays the real-time AC voltage value. 5.Insulation Resistance Test Insulation resistance test can only be carried out on an uncharged circuit.
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Do not remove the test lead immediately. Wait until the discharge is complete before touching the circuit under test. In order to ensure the measurement accuracy, do not twist the test lines together. Guaranteed temperature and humidity of the insulation resistance accuracy Insulation Guaranteed the humidity Guaranteed...
the measured value. Read the insulation resistance value after the measured value is fixed. 6.GUARD Use of Protective Wires When the insulation resistance of the cable is measured, the leakage current of the covered surface passes through the interior of the insulator and the current converges, resulting in an error in the insulation resistance value.
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The Polarization Index (PI) and Absorption Ratio (DAR) are tests to check whether the leakage current of the insulator has increased. The leak current did not increase while confirming the application time. The instrument automatically calculates the polarization index PI and the absorption ratio DAR.
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7.3Polarization index(PI)and Absorption ratio(DAR) Test The Polarization Index (PI) and Absorption Ratio Test (DAR) can only be performed on uncharged circuits. Before testing, check that the test leads are good and confirm that the circuit under test is charged or not. Turn the rotary switch to gear, then press VSEL to select the voltage value to test.
Polarization Index Reference Judgment Value: Polarizatio Above 4 4~2 2.0~1.0 Below 1.0 n Index Need to pay Judge The best Good attention Absorption ratio reference judgment value: Absorption Above 1.4 1.25~1.0 Below 1.0 ratio 8.Backlight Control After power on, press “ ” key to turn the backlight on or off, and the backlight function is suitable for dim places.
resistance alarm setting is 9999MΩ. As shown below 10.Data Lock/Storage After the measurement is completed, short press "MEM" key to lock the current display data, and automatically serial storage. If the storage is full, the instrument displays the "FULL" symbol. As shown in the following figure: the measured data is 1258m ω, and the "MEM"...
In the data review state, press and hold the “MEM ” key to enter the data deletion, press “ ” or “ ” to select “NO ” or “YES ”, select “NO ” and then press “SET ” key to not return to the data review state. " YES "...
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