Darui Electric recommends:
1.LYFC-V Surge Arrester and Varistor Tester Performance Features
It is suitable for testing DC parameters of overvoltage protection components such as zinc oxide surge arresters (varistors), metal ceramic two-electrode and three-electrode discharge tubes, and vacuum surge arresters.
It has functions of memory, calculation, holding, control, and self-check.
It has high-voltage short-circuit protection, overcurrent protection, high-voltage preset, and other functions. The high-voltage self-discharge time is less than 1 second.
The test results are displayed by a 31/2 LCD digital display, with high accuracy and good reliability.
2、LYFC-V Surge Arrester and Varistor Tester Technical Specifications
2.1 Varistor Measurement
Technical Indicators
Measurement Range
Working Error
Test Conditions
Initial Action Voltage
U1mA
15 ~ 100V
≤±2V±1d
1mA±5μA
101~1700V
≤±2%±1d
Leakage Current
I 0.75U,1mA
0.1~199.9μA
≤2μA±1d
0.75U1mA
≤±2%±1d
2.2 Discharge Tube Measurement
Technical Indicators
Measurement Range
Working Error
Test Conditions
Discharge Voltage
20~1700V
≤±2%±1d
Voltage rise rate 100±8V/second
Discharge voltage memory display time
1.5~3.5 seconds
3、LYFC-V Other Specifications
l Insulation resistance: 6MΩ(500V)
l Withstand voltage: AC 1.5kV 50Hz 1min
l Operating temperature and humidity: 0～+40℃ ＜85%RH
l Storage temperature and humidity: -10℃～+50℃ ＜90%RH
l Power supply: AC220V±10% or DC12V ±0.5V 1000mA
l Power consumption: 12W
l Dimensions: 208mm(L)×190mm(W)×78mm(D)
l Weight: ≤2kg
Note: The above information and technical parameters are compiled and released by Yangzhou Darui Electric Co., Ltd.
