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Factory best selling 3 In 1 Transmitter - Carbon Dioxide Monitor – Tongdy

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  • Factory best selling 3 In 1 Transmitter - Carbon Dioxide Monitor – Tongdy
  • Factory best selling 3 In 1 Transmitter - Carbon Dioxide Monitor – Tongdy

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We keep on with our business spirit of "Quality, Performance, Innovation and Integrity". We goal to create much more worth for our customers with our rich resources, state-of-the-art machinery, experienced workers and exceptional providers for , , , Our customers mainly distributed in the North America, Africa and Eastern Europe. we will source top quality goods using the really aggressive selling price.
Factory best selling 3 In 1 Transmitter - Carbon Dioxide Monitor – Tongdy Detail:

♦ Real time monitoring room carbon dioxide

♦ NDIR infrared CO2 sensor inside with special Self Calibration. It makes the CO2 measurement more accurate and more reliable.

♦ More than 10 years lifetime of CO2 sensor

♦ Temperature and humidity monitoring

♦ Three-color (Green/Yellow/ Red) LCD backlight indicates ventilation level -optimal/moderate/poor based on the CO2 measurements

♦ Buzzer alarm available/disable selected

♦ Optional display 24h average and max. CO2

♦ Provide optional 1xrelay output to control a ventilator

♦ Provide optional Modbus RS485 communication

♦ Touch button for easy operation

♦ 24VAC/VDC or 100~240V or USB 5V power supply

♦ wall mounting or desktop placement available

♦ High quality with the excellent performance, best choice for schools and offices

♦ CE-approval

Power supply 100~240VAC or 24VAC/VDC wire connecting USB 5V (>1A for USB adaptor) 24V with an adaptor
Consumption 3.5 W max. ; 2.5 W avg
Gas detected Carbon Dioxide (CO2)
Sensing element Non-Dispersive Infrared Detector (NDIR)
Accuracy@25℃(77℉) ±50ppm + 3% of reading
Stability <2% of FS over life of sensor (15 yr typical)
Calibration interval ABC Logic Self Calibration Algorithm
CO2 sensor life 15 years
Response Time <2 minutes for 90% step change
Signal update Every 2 seconds
Warm up time <3 minutes (operation)
CO2 measuring range 0～5,000ppm
CO2 Display resolution 1ppm
3-color backlight for CO2 range Green : <1000ppm Yellow: 1001~1400ppm Red: >1400ppm
LCD Display Real time CO2, Temp &RH Extra 24h average/max/min CO2 (optional)
Temperature measuring range -20～60℃(-4～140℉)
Humidity measuring range 0～99%RH
Relay output (optional) One relay output with rated switching current: 3A, resistance load
Operation conditions -20~60℃(32~122℉); 0~95%RH, non condensing
Storage conditions 0~50℃(14~140℉), 5~70%RH
Dimensions/ Weight 130mm(H)×85mm(W)×36.5mm(D) / 200g
Housing and IP class PC/ABS fireproof plastic material, protection class: IP30
Installation Wall mounting (65mm×65mm or 2”×4”wire box) Desktop placement
Standard CE-Approval
Product detail pictures:

Factory best selling 3 In 1 Transmitter - Carbon Dioxide Monitor – Tongdy detail pictures

Factory best selling 3 In 1 Transmitter - Carbon Dioxide Monitor – Tongdy detail pictures

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We always continually offer you by far the most conscientious customer service, and the widest variety of designs and styles with finest materials. These attempts include the availability of customized designs with speed and dispatch for Factory best selling 3 In 1 Transmitter - Carbon Dioxide Monitor – Tongdy , The product will supply to all over the world, such as: Marseille, Karachi, Mombasa, We adhere to the honest, efficient, practical win-win running mission and people-oriented business philosophy. Excellent quality, reasonable price and customer satisfaction are always pursued! If you are interested in our items, just try to contact us for more details!
    • The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
    5 Stars By Astrid from Albania - 2018.03.03 13:09
    The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.
    5 Stars By Freda from Riyadh - 2018.12.11 14:13
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