LDGM-25 20 10 KV Insulation Resistance Tester

It features of microcomputer control, menu operation, large-screen LCD dot matrix display, and stable performance, and it is the intelligent instrument.

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Product Features

1) It has the comprehensive perfect protection function, therefore the operational reliability is high.

2) With a strong ability to resist the interference, it is applicable to the measurement in an environment with severe electromagnetic interference.

3) It is equipped with 8 voltage output gears, namely 0.5kV, 1kV, 2kV, 2.5kV, 5kV, 10kV, 15kV, 20kV.

4) When the high voltage is output, it can be regulated continuously as well.

5) Automatic measurement of R15, R60, R600, automatic calculation of DAR, PI.

6) It has strong load capacity, and the short-circuit current is about 5mA.

7) Measuring range: 0 to 5TΩ, and it can switch the range automatically.

8)The combination of simulation bar pointer and digital display can show the change trend of data and accurate measuring results.

9) The testing time can be displayed at any time, and the buzzer will automatically tweet for reminder at every 15 seconds.

10) After the completion of measuring, it will discharge the high voltage automatically, and the discharging time of high voltage is no more than 30 seconds.

11) It can measure the ambient temperature, air humidity and the date and time of each testing automatically.

12) It can save 60 groups of measuring results, and the data will not be lost for 20 years.

13) It has RS232 serial interface, therefore it can communicate with the computer data.

14) It can print the measuring results, sparing the trouble of meter reading.

15) 5 minutes of operation, the system automatically beepprompt shutdown.

16) It has the comprehensive perfect protection function, therefore the operational reliability is high.

Parameter

Rated testing voltage	0.5kV, 1kV, 2kV, 2.5kV, 5kV, 10kV, 15kV, 20kV 8 voltage output gear in total
Upper limit of measuring range	100GΩ ~ 5TΩ
Lower limit of measuring range	0.1MΩ
Output voltage error	±5%
Short-circuit current	Approx. 5mA
Grade of accuracy	Grade 5.0
Basic error of second half measuring range	±( 5%·Rx + 1d )
Basic error of first half measuring range	±( 10%·Rx + 2d )
High voltage display error	±( 5%·Ux + 1d )
Temperature measuring error	±0.5℃
Air humidity measuring error	±2%RH
Power supply	14.8V lithium battery
Service life of battery after one-time charging	30 days, 10 times of DAR and 5 times of PI test for each day
Insulation resistance	> 500 MΩ (between the test line and machine case)
Voltage resistance	AC10.0kV 50Hz 1min (between the test line and machine case)
Working temperature and humidity	0℃ ~ + 40℃ < 85%RH
Storage temperature and humidity	- 20℃ ~ + 50℃ < 90%RH
Boundary dimension	270 (L) X 240(W) X 165(H) (mm)
Weight	≈ 4.5kg

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LDGM-25 20 10 KV Insulation Resistance Tester

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LDGM-25 20 10 KV Insulation Resistance Test

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