Kyoritsu Electric Meter Outlet Tester KEW4505

KEW4505 In addition to TT grounding, it can also measure TN grounding when used with the dedicated injector (sold separately). Easy operation: just plug it into an outlet and press the measurement button. Detects miswiring between N-E (neutral and earth) on live wires. Notifies correct/miswiring with an LED (green/red) light and buzzer. Enhances functionality when used with the dedicated injector (sold separately): 1. Measures TN grounding. 2. Measures earth voltages up to approximately 20V. 3. Measures even low ground resistance. 4. Does not trip 15mA earth leakage breakers (test current less than 1μA).