15KV Digital Voltage Adustable Megohmmeter Megger

I.Introduction

For safety, before using the instrument must be well earthed,because the measured target connecting to high voltage power exists power frequency leakage.
Once high voltage being started, do not use manual discharge method to check the instrument. After test, please wait the instrument complete automatic discharge and automatically return to zero, then manual discharge can be operated. That is because electrical pulse caused by short-circuit discharge will damage the insulation life of the measured object; if the pulse fleeing into the instrument,it will also damage the integrated circuit inside the instrument.
The instrument is designed for HV substations and power plants to test the characteristic of large HV transformer, electric machines and appliances, remote power cable or buried cable and other electrical insulation resistance in strong interference environment.

It also can be widely used for testing characteristics of insulation resistance in other area.

II. Main feature

1. With strong anti-electric field interference ability up to 2mA (50Hz), it is suitable for 500kV substation without dismantling wire to test insulation resistance of 500kV large-scale transformer.
2. The short-circuit current of test power> 5mA, maximum up to 15mA. Be suitable for testing high capacity and high inductance.
3. Wide resistance range from 0.5MΩ ~ 1999GΩ. With high-resolution, having accurate readings.
4. Wide voltage range: 0.25kV, 0.5kV, 1kV, 2.5kV, 5kV, 10kV, 15 kV/20kV, you can smoothly adjust voltage from 0V to the desired value.
5. With timekeeping function, remind users to record, and analyze absorptance and polarization index of measured target.

III.Technical Specifications

Range and accuracy

Calibration voltage of MΩ range is 0.5kV; Calibration voltage of GΩ range is 2.5kV

Photo of 10KV and 5KV Megger Insulation Resistance Meter

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