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kit TH308 rain sensor r o s n e s nia r 8 0 3 h t techome TH308 TH308 t: (07) 3847 1400 f: (07) 3847 1337 info@t echome. com. au www. techome. com. au home automation made easy techome 8 0 3 h t TH308 technical specifications the TH308 has been designed to close opening/closing roofs and windows when it rains. surface mount technology has been incorporated into a micro-controller specifically designed for australian conditions. the sensor is equipped with a circuit that heats the surface a few degrees above ambient temperature enabling accurate detection in dew or foggy conditions. this feature also allows the surface to dry after it has stopped raining allowing for fast switch- ing to a non-percipitation state. TH308 features water resistant enclosure with ip65 rating automatic calibration during assembly internally heated to eliminate moisture optional normally closed outputs accurate sensitivity 12 month warranty sensor: capacitive sensor with internal heating material: uv stablised polycarbonate dimensions: 72.5mm x 112mm x 15mm weight: 350 gms supply voltage: 12vdc / 500ma max (less than 60ma used by the sensor) operating range: on/off (precipitation/no precipitation) output signal: open collector (high= no precipitation, low=precipitation) operating temperature: 0 - 50 deg c 4 mm 72.5 mm 112 mm www..net
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