U1242B数字万用表主要特性与技术指标 U1240系列数字万用表有4个型号：U1241A,U1241B,U1242A,U1242B.主要技术指标 检查更多，确定更多 ·10000计数显示 ·0.09%基本直流电压精度和真RMS测量 ·基本功能：DCV、DCI、ACV、ACI、电阻、频率、连续性、二极管测试 ·高级功能：电容、温度、开关计数器、谐波比、双温度、差分温度 易于使用 ·可调节背光 ·最小值/最大值记录 ·内置探头夹持器 坚固耐用 ·包覆机身的保护套 ·CAT III 1000V过压保护 ·符合CE、CSA和UL标准Check more, fix more10,000 count dis0.09% basic DC voltage accuracy and true RMS measurement Basic functions: DCV, DCI, ACV, ACI, resistance, frequency, continuity, diode test Advanced functions: capacitance, temperature, switch counter Ease of use Adjustable backlighting Min/Max recording Built to lastCAT III 1000V and CAT IV 600V over voltage protection Certified to CE and CSA 0.09% basic DC voltage accuracy and true RMS measurement Basic functions: DCV, DCI, ACV, ACI