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三用电表TES2800MODELTES-2800/2801/28023-3/4位液晶显示及背灯RS-232界面与计算机联机自动换档最大值最小值锁定;MEMandREAD;RELanddataHOLDmode高能量保险丝保护DataloggerFunction规格 TES-2800/2801/2802电压(AC/DC):(Autoranging/Manual)檔位400m/4/40/400/600V(AC/DC)准确度DC-0.5%rdg+2dgtAC-1.2%rdg+5dgtsin40~500Hz分辨率100 V输入阻抗10M (DC)过载保护660VAC电流(AC/DC):檔位400 A/4000 A/40m/400m/20A(DC/AC)准确度DC-1%rdg+2dgtAC-1.5%rdg+5dgts(40~500Hz)分辨率1 A输入保护0.5A/250Vfuse 20A/600Vhighenergyfuse导通测试Below40 最大开路电流Below0.5V欧姆(电阻):Autoranging/Maunal檔位400/4K/40K/400K/4M/40M 准确度0.75%rdg+3dgts分辨率100m 过载保护350Vrms最大开放电压 =0.5V二极管测试:分辨率1mV准确度1%rdg+2dgtsShortCircuitCurrent0.8mAtypicalOpenCircuitVoltage3V电容:Cx(2802)檔位40n/400n/4m/40mF准确度3%rdg+10dgts分辨率10pF频率(Hz):(Autoranging)檔位4K/40K/400K/4MHz/40MHz准确度1Hz分辨率0.1%rdg+2dgts灵敏度200mV/5V电感:(2802)檔位40mH/400mH/4H/40H准确度0.01Mh分辨率0.01Mh温度:(2801,2802)R檔位-58oF~1900oF-50oC~1300oCR准确度1%rdg+3℃A分辨率0.1℃/0.1℉显示器3-3/4digitLCD,Maximumreading3999 Bar-graphIndication取样率20times/secforBar-graphindication2times/secforDigitalDisplay操作及储存温湿度0oCto40oC 80%R.H.-10oCto60oC 70%R.H.