AR858|接地电阻测试仪 AR858的详细介绍
AR858|接地电阻测试仪|的详细介绍
GENERAL FEATURES &SPECIFICATIONS 一般功能和规格
Ground Resistance Meter AR858
Measuring Range 接地电阻(Resistance):0Ω-1999Ω
接地电压(Voltage):0-199.9V
测量范围
Accuracy 接地电阻(Resistance):±2%rdg±0.1(20Ω)
±2%rdg±3dgt(200Ω/2000Ω)
接地电压(Voltage):±1%rdg±4dgt
测量精度
Overload Protection 接地电阻(resistance):280V AC/DC for 10sec
接地电压(Voltage):300V AC/DC for 1Min
过载保护
Measuring Method Voltage/Resistance
测量方式 接地电压/接地电阻
Withstand Voltage 3700V AC Per Minute
耐压 3700V AC 每分钟
Safty Standard IEC61010-1CAT.III 300V
Pollution Level II IEC61557
安全标准 IEC61010-1CAT.III 300V 污染度2
