Environmental Sensors CO2, Relative Humidity / Temperature Transmitters • CO2/ RH / T measurement in one device • RH output with plug-in module • Analogue or switching output • Modern design • Optional display • Easiest installation • Long term stability • Room transmitter • Wall mounting • CE, RoHS Product Description CGESC02xxW type set new standards in CO2 measurements for HVAC. The transmitters resp. switches combine CO2, relative humidity (RH) and temperature (T) measurement inone modern and userfriendly housing. The basic CGESC02TW version for CO2and T can be easily extendedwithaRH plug-in module. The CO2 measerument is based on the infrared principle. A patented auto-calibration procedurecompensatesfor the aging of the infrared source and ensures outstanding long term stability. This sensor provides analogue outputs (in V or mA). The optional display indicates sequentially the actual measuring data. As one more option a switching output with adjustable switching point and hysteresis is available. A wide variety of models ensures an optimal adjustment for customised requirements. Approvals Ordering KeyCGESC02TW 2 VT04 Model Working Range Output Display Temperature Unit Temperature Scale Type Selection Model (only with switching output) CGESC02W C02 Model CGESC02TWC02+T CGESC02THWC02+T+RH Working Range 20...2000ppm 50...5000ppm Output not for model CGESC02W V 0-10V 4-20mA (only for CGESC02TW) only for model CGESC02W S Switching output Display (not for model CGESC02W) Nil Without Display D With Display Temp. Unit (not for model CGESC02W) Nil °C F °F Temp. Scale (not for model CGESC02W) T04 0...50 General Data Supply voltage SELV 24VAC ±20% 15-35VDC SELV = Safety Extra Low Voltage Power requirement<3W Warm up time<5min Electromagnetic compatibility EN 61000-6-3 EN61326-1+A1+A2:05.2002 EN 61000-6-1 Temperature range Working temperature range 0...90%RH (non condensing) / -5...55°C/23...131°F Storage temperature range 0...90% RH (non condensing) / -20...60°C/-4...140°F 1Specifications are subject to change without notice. Pictures are just an example. For special features and/or customization, please ask to our sales network. 140708
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