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指针万用表 量程. 基本准确度 直流电压 0.1V/0.5V/2.5V/10V/50V/250V/1000V ±3% 交流电压 10V/50V/250V/1000V ±4% 直流电流 50uA/2.5mA/25mA/0.25A/10A ±3% 电阻 ×1Ω/×10Ω/×100Ω/×1kΩ/×100kΩ ±3%
