Key Words: Impluse tester, Hipot Tester, Megger, Load bank

USA Tel:(816) 666-7843

E-Nanny Electric Automation Co., Ltd.

DBHG-D High Precision Portable CT PT Analyzer

DBHG-D High Precision Portable CT/PT Analyzer It is mainly used for field testing of P class CT and PT. The test items mainly include excitation characteristic, transformation ratio, polarity, degauss, 5% and 10% error curves, secondary circuit check, withstand test of power frequency alternating current and secondary load. Adopting LCD, self-equipped mini type printer supporting field printing; supporting to use USB flash disk to dump data, with simple and convenient operation.

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Description

Main Functions

Current Transformer (CT)
Voltage Transformer (PT)
Magnetization curve
Excitation characteristic test
Transformation ratio test
Transformation ratio test
Polarity
Polarity 
5% and 10% error curve
Withstand test of power frequency alternating current
Current Injecting
Degauss
Degauss
Calculation of knee point value
Withstand test of power frequency alternating current
Actual secondary load test
Automatic calculation of excitation knee point value
Resistance test
Actual secondary load test

Resistance test


          Technical Specifications
Accuracy
0.2%, 0.5%
Power supply
AC 220V±10% or AC 110V±10%
Excitation voltage output
0-2500Vrms
Excitation current output
0-5Arms (20A peak-value)
Large current output
0-600A
Accuracy
≤0.5% (0.2%RD+0.3%RG)
Secondary winding DC resistance measurement
Range: 0.1-300Ω
Accuracy: ≤0.5% (0.2%RD+0.3%RG)
Secondary actual load measurement
Range: 5VA-1000VA
Accuracy:≤0.5% (0.2%RD+0.3%RG)±0.1VA
CT/PT phase error measurement
Accuracy: ±4min
Resolution: 0.01min
CT ratio error measurement
Range: ≤25000A/5A(5000A/1A)
Accuracy: ≤0.5%
PT ratio error measurement
Range: 1-500KV
Accuracy: ≤0.5%



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Tel: +86 27 8700 2568

CHN Mob: (86) 135 5447 1180

USA Mob: (816) 666-7843

Email: enannypower@gmail.com

Skype: e-nannypower

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