JP172/2	0 up to 12 m   Al-Cast appr. 18 x 75 x 33 IP 65 Plug and Socket Connection LED 650 nm, visible 24 V DC / 40 mA without electrical load bright- / dark- switching PNP- / NPN-Transistor, Optocoupler (alternatively) LED (Switch Indicator) - 25°C ... + 60°C Interference Suppression by Forced Synchronization; DIANA (Level Indicator)