Benning SDT 1. Socket tester. Quick and easy testing of earthed sockets for correct connection. Wiring errors such as missing PE, N and L conductors and the swapping of L and PE conductors are clearly displayed via 3 LEDs. Active PE test with touch electrode and LC display warns of the presence of a dangerous contact voltage (> 50 V) at the protective conductor connection (PE). Test button for triggering 30 mA RCD/FI circuit breaker. Clear display via LEDs and LC display. Easy-to-understand status table informs about the correct connection, OK green, and the type of error present, red, of the earthed socket. Test type 2-pole. Voltage display other. Voltage measuring range 230 V AC. Blade length 17 mm. Blade width 4 mm. Power supply from the test object (without battery). Measuring circuit category Cat II. Voltage measuring circuit category 300 V. Dimensions length 80 x width 72 x depth 78 mm. Device weight 0.07 kg.