DT-9919專業(yè)真有效值數(shù)字萬用表帶防水防塵功能,雙注塑塑膠機(jī)殼使操作更安全。術(shù)指標(biāo):功能量程分辨率精確度(%讀數(shù)+度數(shù))直流電壓400mV0.01mV±(0.06%reading+2digits)4V0.0001V40V0.001V400V0.01V1000V0.1V±(0.1%reading+2digits)交流電壓 50to1000Hz400mV0.1mV±(1.0%reading+4digits)4V0.001V±(1.0%reading+3digits)40V0.01V400V0.1V1000V1V所有交流電壓的有效測量范圍在量程的5%到100%之間直流電流400mA0.01mA±(1.0%reading+3digits)4000mA0.1mA40mA0.001mA400mA0.01mA10A0.001A電流達(dá)到20A時(shí):有30秒的輸入值交流電流 50to1000Hz400mA0.1mA 4000mA1mA 40mA0.01mA 400mA0.1mA 10A0.01A (20A:30secmaxwithreducedaccuracy)所有交流電壓的有效測量范圍在量程的5%到100%之間注意:以上精確度在溫度65oF到83oF(18oC到28oC),濕度小于75%RH時(shí)得出。功能量程 分辨率精確度(%讀數(shù)+度數(shù))電阻400W0.01W±(0.3%reading+9digits)4kW0.0001kW±(0.3%reading+4digits)40kW0.001kW400kW0.01kW4MW0.001MW40MW0.001MW±(2.0%reading+10digits)電容40nF0.001nF±(3.5%reading+40digits)400nF0.01nF4?F0.0001?F±(3.5%reading+10digits)40?F0.001?F400?F0.01?F4000μF0.1μF±(5%reading+10digits)40mF0.001mF頻率(電子的)40Hz0.001Hz±(0.1%reading+1digits)400Hz0.01Hz4kHz0.0001kHz40kHz0.001kHz400kHz0.01kHz4MHz0.0001MHz40MHz0.001MHz100MHz0.01MHzNotspecified頻率 100kHz,占空比是20%到80%時(shí),最小電壓0.8V時(shí),真有效值讀??;頻率 100kHz.,占空比達(dá)到20%to80%電壓最小5V時(shí),真有效值讀取。Frequency(electrical)40.00-400Hz0.01Hz±(0.5%reading)靈敏度:15V真有效值DutyCycle0.1to99.90%0.01%±(1.2%reading+2digits)脈沖范圍:100μs-100ms,頻率:5Hzto150kHzTemp(type-K)-58to1832°F1°F±(1.0%reading+4.5°F)±(1.0%reading+2.5°C)(probeaccuracynotincluded)-50to1000°C1°C4-20mA%-25to125%0.01%±50digits0mA=-25%,4mA=0%,20mA=100%,24mA=125%尺寸:187x81x50mm重量:342g