Socket tester with finger contact/test button

Quick and easy testing of socket outlets with earthing contact for correct connection Wiring errors such as missing PE, N and L conductors and swapping of L and PE conductors are clearly indicated by 3 LEDs Active PE test with touch electrode and LC display warns of the issue a dangerous contact voltage (> 50 V) at the protective conductor connection (PE) test button to trigger 30 mA FI/RCD circuit breaker clear indication via LEDs and LC display easy-to-understand status table informs about the correct connection (OK, green) and the type of the present error (red) of the protective contact socket, measuring category CAT II 300 V, standard/type/model: SDT 1, main features: with finger contact/test button, version: for active error detection