技术参数:31/2位LCD,最大显示:1999,过载保护直流电压DCV:200m/2/20/200V 0.5% 5,1000V 0.8% 5交流电压ACV:200mV 0.8% 3,2/20/200V 0.8% 5,750V 1.2% 3直流电流DCA:2m/20mA 0.8% 5,200mA 1.2% 5,10A 2% 5交流电流ACA:2m/20mA 1.2% 3,200mA 1.8% 3,10A 3% 7电阻RESISTANCE:200k/2k/20k/200k/2M 0.8% 5,20M 1% 5,200M ( 5% 5)-10电容CAP:2n/20n/200n/2uF 3% 5,200uF 5% 5通断测试,二极管正向压降 ,三极管电源:6F22或or 9V 1外形尺寸:186 86 41mm重量:约270g(含电池)