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IEC156 Transformer Oil Breakdown Voltage Tester, 100KV Insulation Oil Analyser

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Product Description


HOPU HJT series Transformer Oil Breakdown Voltage Tester is fully automatic micro controller based system, completely self-contained, compact and portable giving smooth variable test voltage from 0 to 100 kV for testing the dielectric strength of transformer oil in accordance with all international standards like ASTM D1816/IEC156/IS6792/ ASTM D877/ UNE 21 

Features of Transformer oil breakdown voltageTester

Easy operation, high autoimmunization (only press button once and all work done automatically)

Menu management, data input simple and convenient.

It can store 99 data of oil sampling tests, the test data can be reviewed and printed in 100 years even after power is off.

The clock in going on after power off.

The software can be upgrade through RS232 terminal. Test data can be uploaded to PC by RS232 port.

Strong anti-jamming, high precision testing.

Small measurement, light weight, and convenient for outdoor operation.


Country of OriginChina
Power supplyAC220V ±10%, 50Hz or as needed
Output voltage60kV, 80kV, 100kV
Capacity1.6kVA, 2.0kVA
Rate of voltage riseadjustable 0.5kV/s, 1kV/s, 2 kV/s, 3kV/s, 5kV/s
Test standards“IEC156/IS6792 etc.” “Custom Test”, “ASTM D877”, “ASTM D1816”, “Manual”, “5 minutes test”, “Proof A”, “Proof B” and “UNE21”(Proof A: Voltage rises at 2kV/s to set value, stays for 60 sec unless breakdown occurs earlier and voltage falls.Proof B: As above and continues to breakdown or maximum value of test set.)
Voltage inspection accuracy<2%
Breakdown sensitivity<0.1kV
Waveform distortion≤1%
Breakdown response time≤10ms
Working environmenttemperature: 0℃~40℃, humidity: max relative humidity 85%
Storage environmenttemperature: -20℃ ~ 60℃, humidity: max relative humidity 75%

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