产品型号:绝缘测试仪BM3548数字绝缘测试仪+数字万用表面板校正PanelCalibrate,自动量程AutoRange33/4位Digit,最大显示MAXDisplay:3999过载保护OverLoadProtection带背光Backlight,量纲及功能符号指示FunctioncharactersIndication能直接测量绝缘电阻测试电压CantestInsulationResistanceMeasuremeatVoltage绝缘电阻InsulationResistance:200k~40G 精度Accuracy:200k ~200M 3% 5,200M~4G 5% 5,4G~40G 10% 5测试电压MeasuemeatVoltage：250V/500V/1000V短路电流shortcircuitcurrent:不小于1.5mA测试时间选择Measuemeattime:1/2/10min(分)万用表功能：直流电压DCV:400m/4/40/400V 0.5% 5,1000V 0.8% 5交流电压ACV:4/40/400V 0.8% 5,700V 1% 5直流电流DCA40mA/400mA 0.8% 5交流电流ACA40mA/400mA 1% 5电阻RESISTANCE:400/4k/40k/400k 0.8% 5,4M 1% 3,40M 3% 3电容CAP：40n/400n/4u/40uF 3% 5频率FREQ:40/400/4k/40k/400k/4MHz 0.5% 3通断测试CONTINUITYBUZZER二极管DIODE外形尺寸SIZE：170 156 64mm电源POWERSUPPLY:AA1.5V 6重量WEIGHT：约about650g（含电池Includebattery）