Empower your electrical safety checks with the Wadfow RCD/LOOP Tester (WDM9502). This tester redefines precision, actively measuring line voltage at AC 85-265V and neutral ground voltage at AC 0-10V. Dive into accuracy with a peak line voltage range of AC 121-374V and a line frequency of 45-65Hz.

Activate your control over safety protocols with the RCD trip time spanning 1ms to 6.5s and a trip current of 30mA. Experience true precision with the True RMS feature, ensuring reliable readings in real-world scenarios. Take command with the data hold function, capturing crucial information effortlessly.