产品描述 防表笔误插装置 数据保持 背景光 显示器:最大显示数1999,字高28mm 直流电压:200m/2/20/200V±0.5%,1000V±0.8% 交流电压:200mV±1.2%,2/20/200V±1.0%,700V±1.2% 直流电流:2m/20mA±1.0%,200mA±1.5%,10A±2.0% 交流电流:2mA±1.2%,200mA±2.0%,10A±3.0% 电阻:200/2K/20K/200K/2MΩ±1.0%,200MΩ±5.0% 电容:2n/20n/200n/2μ/20μF±4.0% 温度:-20℃~1000℃±3.0%