VC9802A+ VC9802A+31/2位,最大显示:1999, 过载保护带背光，数据保持直流电压:200m/2/20/200V 0.5% 3,1000V 0.8% 3交流电压:200mV 1.2% 3,2/20/200V 0.8% 3,,700V 1.2% 5直流电流:2mA 0.8% 2,200mA 1.2% 2,20A 2% 5交流电流:2mA 1% 3,200mA 1.8% 2,20A 3% 7电阻:200/2k/20k/200k/2M 0.8% 3,20M 1% 5, 200M ( 5% 5)-10电容：2n/20n/200n/2uF 3% 10,200uF 5% 5通断测试二极管 三极管电源:6F22或orNEDA 9V 1外形尺寸：188 88 38mm重量：约320g(含电池）