Place of Origin |
Beijing China (Mainland) |
Brand Name |
Tongdy |
Model Number |
TG9 series |
CO2 Sensor Non-Dispersive Infrared Detector (NDIR)Measurement Range 02,000ppm or 0 5000ppmAccuracy ±40ppm + 3% of reading @22(72)Stability <2% of full scale over the life of the sensorCalibration Self-calibration systemResponse Time <5 minutes for 90% step change at low duct speedNon-linearity <1% of full scale @22(72)Duct Air Velocity 0 450m/min Pressure Dependence 0.135% of reading per mm HgTemperature Dependence 0.2% of full scale per ºC Warm up time 24 hours (first time)10 minutes (operation)Temperature & Humidity Sensor TemperatureRelative Humidity Sensing element: Band-gap-senor Capacitive humidity sensor Measuring range -20 50 5 -100%RH Accuracy ±0.4 (25) ±3%RH (25, 40%-60%RH) Display resolution 0.1 0.1%RH Stability ±0.1per year ±1%RH per year General Data Power supply 24VAC/24VDCConsumption 1.8 W max. ; 0.8 W avg.LCD display 3-color backlitDisplay CO2 measurementor CO2 + temperature& humidity measurementsAnalog output 1x0 10VDC or 4 20mA output for CO23x 1x0 10VDC or 4 20mA outputs for CO2+ Temperature +RHThe voltage output or current output can be selectable by jumpersModbus RS485 Interface 19200bps, 15KV antistatic protection.Operation conditions -0 50(32 122); 0 95%RH, non condensingStorage conditions -20 70(-40 158)Net weight 240g IP class IP54Standard Approval CE-Approval 1.Duct type CO2 transmitter specially used to real-time detect CO2 level in air ducts. 2.NDIR infrared CO2 sensor inside with Self-Calibration and up to 15 years lifetime3.Humidity and temperature detection optional4.Combined temperature and humidity sensor provide the highest accuracy in full range5.LCD display option can display CO2 measurement and temperature+ RH measurements6.3-color backlit LCD indicates the CO2 level more clearing and alarm function7.Providing one or three 0 10VDC or 4 20mA analog outputs8.Modbus RS485 communication interface makes usage and test more convenient9.Smart structure and attractive housing provide you a unique operation feeling10.Simple and skillful design and installation with a demountable and replaceable filter to provides dust-proof protection11.Special a 180° rotatable fastness position for the probe can change the direction of air detection.12.All housing and probe are IP54 class13.CE-Approval