Field Measuring Apparatus
250V ~ 5kV Test Voltage
Max 5TΩInsulation Resistance Measurement
1、Measurement of Insulation Resistance for HP Devices (Transformer,
Electric Cable, and Electric Machines, etc)
2、 Built-in High Power Voltage Generator (250V ~ 5kV Adjustable) （250V-5KV）
3、 Auto Computation and Display of PI (Polarization Index) and DAR
(Dielectric Absorption Rate)
4、 Stepped Voltage Test, Temperature Compensation, Temperature
Measurement, and Leak Current Measurement
5、 Data Storage and Upload Function
Test Voltage and Insulation Resistance Measurement in Broad
RangeTest voltage ranges from 250V to 5kV, in 25V stepped setup,
and able for measurement of 5TΩ insulation resistance in maximum.
Supports Various Insulation Judgments
Able for computation and display of PI (Polarization Index) 极化系数and DAR (Dielectric Absorption Rate), as well as stepped voltage
test (five steps, with voltage and time for each step adjustable),
temperature compensation, temperature measurement, leakage current
display, and other insulation judgment functions.
Able to manually store 100 data, automatically record 10 groups of
data (360 measurement points in maximum for each data group), and
automatically record date and time.
Hard carrying case adaptable to field application is adopted.
Chargeable batteries can be used at the same time
Able to be loaded with 2# batteries and chargeable batteries at the
same time, and when capacity of one group of batteries is
insufficient, it can be switched to another group for further use.
Measurement of Insulation Resistance and Leak Current
Test Voltage: DC250V～5.00kV, Test Insulation Resistance 0 –5TΩ; Max Test Current 1mA
Able to display insulation resistance, leak current, PI, DAR, and
Stepped Voltage Test
Test voltage is gradually increased to measure variations of
insulation resistances and leak currents under different voltages.
Two types of stepped voltage values are optional, and measurement
time can be selected for respective stepped stages.
Display of PI (Polarization Index) and DAR (Dielectric Absorption
Able to automatically measure parameters of PI and DAR.
Measurement of Hot Line Voltage
Able to measure AC and DC voltages
AC: AC50～750V, Frequency: 50Hz/60Hz
Precision of Measurement: ±5％rdg.±5％dgt
10～ 70°C Precision of Measurement: ±1.5°C
Data Storage Function
Able to manually store 100 groups of data, and also able to
automatically record 10 groups of data, with each group able to
store 360 measurement points in maximum.
Data Uploading Function
Able to upload the store data into PC through USB interface, to be
formed into graphic charts and to be printed for filing, and also
able to set up and modify measurement parameters at PC end.
Supports USB2.0 (Full Speed)
Environmental Range of Temperature and Humidity: 0～40°C, 90%rh below (non-condensed)
Display: LCD Display, with Back Light
Display Refresh Rate: 1 Time/s (0.25 T/s during use of average
Output Voltage Monitoring: 2 Times/s
Voltage Measurement: 4 Times/s
Temperature Measurement: 1 Time/s
Analog Bar: 2 Times/s
Battery: 6# Battery x 6 | Ni-MH Chargeable Battery, 7.2V
Max Rated Power: 15W
Time for Continuous Use: Dry batter can last 5 hours and chargeable
battery can last 9 hours, under the condition of 5kV generation,
+/-ports disconnected and back light closed.
Max Rated Voltage to Ground: 600Vrms(CAT IV)，1000Vrms(CAT III)
Insulation Level: AC7000V 15s between electrical loop and casing.