SR9000B Automatic Dielectric Loss Tester Technical Specifications
2.1 Rated Working Conditions
2.1.1 Ambient Temperature: 0~40℃ (When the temperature exceeds 20℃±5℃, for every 10℃ change, the change in the instrument's basic error shall not exceed 1/2 of the basic error limit.)
2.1.2 Relative Humidity: 30%~85% 2.1.3 Power Supply: Voltage: 220V±22V, Frequency: 50±1Hz 2.2 Dimensions: l×b×h, mm: 440×330×400 2.3 Weight: Not more than 23kg
2.4 Electronic Circuit Power Consumption: Not more than 40VA 2.5 Measurement Range:
2.5.1 Dielectric Loss (tgδ): 0~100% Resolution 0.0001 2.5.2 Capacitance (Cx): Minimum Resolution 0.01pF 2.5.2.1 Internal Connection Mode
Test Voltage Test Sample Capacitance 5kV 7.5kV 10kV 3pF~40000PF 1.5kV 2.25kV 3k 10pF~0.35μF 0.5kV 0.75kV 1kV 30pF~1.5μF 2.5.2.2 External Connection Mode
"External Step-up Transformer" Mode: Maximum Test Voltage 10kV
"External Cn" Mode (External High Voltage, External Standard Capacitor): Maximum Test Voltage is determined by the standard capacitor and the test sample (Umax=Imax/wC)
Standard Circuit Maximum Current 50mA (In=UwCn) Test Sample Circuit Maximum Current 2A (Ix=UwCx)

Note: The above information and technical parameters are compiled and released by Yangzhou Darui Electric Co., Ltd.