I. Main technical indicators

1. Main indicators of direct resistance:

DC resistance test current : AUTO , <20mA , 40mA , 200mA , 1A, 3A, 10A

DC resistance test range and accuracy: 10A: 0.5 mΩ ~ 800mΩ ±(0.2%+2 digits )

3 A : 2mΩ~ 2Ω ±(0.2%+2 digits)

: 5mΩ~ 10Ω ±(0.2%+2 digits)

200mA: 100mΩ~ 5 0Ω ±(0.2%+2 words)

40mA : 500mΩ~2 50Ω ±(0.2%+2 digits)

< 20 mA: 50Ω~ 50 KΩ ±(0.5%+2 digits)

Minimum resolution: 0.1μΩ

Display: LCD display   Resistor display has 4 effective figures

Data storage: 1000 groups

Working environment: relative humidity: <80%RH, non-condensing   Ambient temperature: -20 ~ 40

Power supply : AC 220V± 10 V, 50Hz± 1 Hz    Fuse 5 A

Maximum power consumption: 200W

2. Main indicators of transformation ratio:

1, Test range: Transformation ratio -- 0.9 ~ 10000 Angle -- 0-360°

2, Ratio accuracy: ± 0.1% + 2 words ( 0.9-500 )

± 0.2% + 2 words ( 501-20 0 0 _ _ )

    ± 0. 5 % + 2 words ( 2001-10 0 0 0 _ )

3. Angle accuracy: ± 0. 2°

4. Output voltage: automatically adjusted according to the load

5. Resolution: ratio - minimum 0.0001 , angle - 0.01°

6. Working power supply: AC220V ± 10%  50 ± 1Hz

7. Ambient temperature: - 10 ~ 40

8. Relative humidity: ≤ 85% , no condensation

ABOUT US

Huazheng, established in 2008, is a enterprise which is engaged in the research, development, 

sale and service of transformer tester, transformer oil tester, relay tester, high voltage tester, circuit breaker tester. We are a cooperative supplier of the State Grid of China, and we have also 

established cooperative relationships with customers in countries and regions such as USA, Brazil, Chile, Vietnam, Indonesia, Korea, Turkey, Dubai, South Africa, etc.We have obtained ISO and 

CE certificates. And developed impeccable inspection organization to make sure all of our 

products quality comply with international standards(like IEC/ASTM/EN).