The RCD tester brings the latest technology into an instrument which is compact， firm， durable， simple to use and convenient to carry. It can measure trip-out current， trip-out time， loop resistance， and online voltage， frequency measurement， etc. It is ideal tool for electrical inspection and repair

Main Features:
Trip-out current measurement
Trip-out time measurement
Contact voltage measurement
Loop resistance measurement
AC voltage measurement: 0 - 440V
Frequency measurement: DC， 45Hz - 65Hz
Multiplying power of measurement current: 0.5， 1 and 5
Standard / Selective type current measurement level: 10， 30， 100， 300， 500mA
100 groups of test result can be stored
Data stored in the host machine can be transmitted to a PC via a USB2.0 interface