Detector with electrochemical cell ideal for use in car parks. Zero tracker and self-diagnosis. Plug-in calibration tool. 4-20mA proportional signal output. Optional 3 relay board that can be housed in the casing. Power supply 12V...24V DC. Maximum consumption 40mA @ 12V. Operating temperature -10°C...+60°C. Protection rating IP55. Die-cast aluminum casing. Dimensions (L x H x D) 100 x 180 x 65 mm. EMC EN 50270:2011, EN 61000.