HES Series Transformer Tester

LCD display.

Ratio error and phase angle error test.

Impedance and admittance test.

With PC software.

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Features

1. Ratio Error Test of CT and PT

2. Impedance and Admittance Test

3. LCD display

4. Sound & Light Alarm Function when polarity abnormal or ratio inconsistent

5. With RS232 communication port

6. With PC Software

Support customized requirement.

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Rated current	5A, 1A
Rated Voltage	100V, 110V, 115V, 120V, 150V, 200V, 220V, 230V (or according to client requirement)
Multiplier	1/√3, 1/3, 1, 1.5, 2
Accuracy class	±2%
Operation Range	(1%-120%)In; (20%-120%)Un
Frequency	50HZ
Ratio Error Range	±0.0001%±19.99% (3 ranges: 0.1999%, 1.999%, 19.99%) Minimum resolution: 0.0001%
Phase Error Range	0.01′ ~ ±900′ (3 ranges: 9.00′, 90.0′, 900′) Minimum resolution: 0.01’
Impedance range	0.001Ω~ 19.99Ω. Minimum Resolution: 0.001Ω
Admittance Range	0.001ms ~ 19.99 ms Minimum Resolution: 0.001ms
Input Load	On Standard CT secondary side: ≈0.11Ω, COSφ≈1.0 On Test Object CT secondary side: ≈0.003Ω, COSφ≈1.0 On Standard PT secondary side: ≈0.05VA (100V)
Power supply	AC 220V±10%
Power consumption	＜20VA