UT522接地电阻测试仪具有背光和电池低电压显示、数据保持和存储、自动关机省电功能。可作精密的三线式测量,也可作简易的二线式测量。可适用于测量各种电力系统,电气设备,防雷设备等接地系统的接地电阻值,还可以进行接地电压测量。适用于冶炼、通讯、制造、石油、电力、化工、建筑等作业接地系统的测试...
(1) Earth Voltage measurement: average respond (2) Earth Resistance measurement: test signal frequency : around 820Hz, 1.Safety Information Measuring scope (Max. deviation:±30%): This operation manual includes the safety information related to the operation of the tester, please read them ...
construction and other operations. Features of UT520 Series Digital Earth Testers Certificates: CE, UKCA ● Manual range ● Low battery indication ● Data hold ● LCD backlight/auto power off ● Full icon display ● Double insulation protection ● Poor contact display: “…Ω”● Over-range dis...