A910B全保护数字万用表 最大显示:1999过载保护自恢复保护防打火保护自动关机数据保持产品尺寸:176.5 85 41.5mm产品重量:305g使用电池:9V(6F22)1节参数规格直流电压:200m/2/20/200/1000V, (0.5%+3d)交流电压:200m/2/20/200/750V, (0.8%+5)直流电流:20u/200u/2m/20m/200m/10A, (1.0%+3d)交流电流:20u/200u/2m/20m/200m/10A, (1.2%+5d)电阻:200/2K/20K/200K/2M/20M/200M , (0.8%+3d)电容:2n/20n/200n/2u/20u//200u/2000uF, (2.5%+5d)三极管HFE二极管和通断性测试方波信号输出:1.5KHz~2.5KHz/Vp-p:8V 2V