Function | Used for the calibration of instruments such as grounding resistance tester and equipotential tester |
Range | 1mΩ,10mΩ,100mΩ,1Ω,10Ω,100Ω,1KΩ,10KΩ,100KΩ |
Accuracy | 0.05% |
Wiring method | Four-wire method |
capacity factor | 1/2W |
Coefficient | ±25ppm |
Size | L/W/T:187*119*48mm |
Test line length | Red 0.5m,black 0.5m each 2PCS |
Weight | 550g |
Working temperature and humidity | -10ºC~40ºC;below 70%rh |
Storage temperature and humidity | -20ºC~60ºC;below 80%rh |
Insulation resistance | More than 10MΩ(Between circuit and case500V) |
Pressure resistance | AC 3700V/rms(Between circuit and case) |
Suitable for Safety Regulations | IEC61010-1, CAT III 600V, Pollution Degree 2, JJG724-1991 "Direct Current Digital Ohmmeter Verification Procedure", JJG166-1993 "Direct Current Resistor Verification Regulation" |