ET-986 技术指标基本功能量程基本精度直流电压200m/2/20/200V (0.05%+5)1000V (0.2%+5)交流电压2/20/200V (0.8%+25)750V (1.0%+25)直流电流200u/2m/20mA (0.5%+4)200mA (0.8%+6)20A (2.0%+15)交流电流20m/200mA (1.5%+25)20A (2.5%+35)电阻200? (0.4%+10)2K/20K/200K/2M? (0.4%+5)200M? [5.0%(读数-10)+20]电容20n/2uF (3.5%+10)200uF (3.8%+20)摄氏温度-20℃-1000℃＜400℃: (0.8%+40) 400℃: (1.5%+150)频率20K/200KHz (3.0%+150)