DT-922具备了安全外壳设计和超大液晶显示屏，为更加安全的测量提供了保障.这款表集合了精确度高、使用便捷，安全可靠的特点，符合CATIII600V安全指标.特点：1.4000位的超大背光数字显示;2.数据保持3.自动量程;4.自动关机和低电池指示功能急能够延长电池使用周期，也能及时提醒使用者更换低电能电池；5.采样速度：通常每秒种两次；直流电压测量:量程:400.0mV,4.000V,40.00V,400.0V,600V基本精确度: 0.5%最大分辨率:0.1mV,1mV,10mV,100mV,1V交流电压测量:量程:400.0mV,4.000V,40.00V,400.0V,600V基本精确度: 1.2%最大分辨率:0.1mV,1mV,10mV,100mV,1V直流电流测量:量程:400.0uA,4000uA,40.00mA,400.0mA,10A基本精确度: 2.5%最大分辨率:0.1uA,1uA,10uA,100uA,10mA交流电流测量:量程:400.0uA,4000uA,40.00mA,400.0mA,10A基本精确度: 3.0%最大分辨率:0.1uA,1uA,10uA,100uA,10mA电阻测量:量程:400.0?,4.000k?,40.00k?,400.0k?,4.000M?,40.00M?基本精确度: 0.3%最大分辨率:0.1?,1?,10?,100?,1k?,10k?电容测量:量程:4.000nF,40.00nF,400.0nF,4.000uF,40.00uF,200.0uF基本精确度: 3.0%分辨率:1pF,10pF,0.1nF,1nF,10nF,0.1uF温度测量:最大测量值:760 C/1400 F基本精确度： 3.0%分辨率：1 C/ F电频测量:量程:9.999Hz,99.99Hz,999.9Hz,9.999kHz,99.99kHz,999.9kHz,9.999MHz基本精确度: 1..5%分辨率:0.001Hz,0.01Hz,0.1Hz,1kHz,10kHz,100Hz,1kHz占空比测量：最大测量值:99%精确度： 1.2%分辨率：0.1%二极管和短路蜂鸣测试:二极管:电流0.3mA典型，开路电压1.5VDC典型值；短路测试: 150W时蜂鸣,测试电流 0.3mA（近似值）。技术指标功能量程分辨率基本精确度（%ofreading）直流电压400.0mV0.1mV+0.5%ofrdg+2dgts4.000V1mV +1.2%ofrdg+2dgts40.00V10mV400.0V100mV600V1V+1.5%ofrdg+2dgts交流电压400.0mV0.1mV+1.5%ofrdg+15dgts4.000V1mV+1.2%ofrdg+3dgts40.00V10mV+1.5%ofrdg+3dgts400.0V100mV600V1V+2.0%ofrdg+4dgts直流电流400.0uA0.1uA+1.0%ofrdg+3dgts4000uA1uA +1.5%ofrdg+3dgts40.00mA10uA400.0mA100uA10A10mA+2.5%ofrdg+5dgts交流电流400.0uA0.1uA+1.5%ofrdg+5dgts4000uA1uA +1.8%ofrdg+5dgts40.00mA10uA400.0mA100uA10A10mA+3.0%ofrdg+7dgts电阻400.0W0.1W+1.2%ofrdg+4dgts4.000kW1W+1.0%ofrdg+2dgts40.00kW10W+1.2%ofrdg+2dgts400.0kW100W4.000MW1kW40.00MW10kW+2.0%ofrdg+3dgts电容4.000nF1pF+5.0%ofrdg+50dgts40.00nF10pF+5.0%ofrdg+7dgts400.0nF0.1nF +3.0%ofrdg+5dgts4.000uF1nF40.00uF10nF200.0uF0.1uF+5.0%ofrdg+5dgts电频9.999Hz0.001Hz +1.5%ofrdg+5dgts99.99Hz0.01Hz999.9Hz0.1Hz +1.2%ofrdg+3dgts9.999kHz1Hz99.99kHz10Hz999.9kHz100Hz9.999MHz1kHz+1.5%ofrdg+4dgts温度-20 C~+760 C1 C+3%ofrdg+5 C/9oF-4 F~+1400 F1 F占空比0.1%~99.9%0.1%+1.2%ofrdg+2dgts注意:以上精确度是在温度65 F到83 F(18 C到28 C)以及湿度小于70%RH.的情况下获得。规格:150x70x48mm重量:255表笔，K型温度探头，9V电池，彩盒，帆布袋。