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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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No matter new customer or old customer, We believe in long term and trusted relationship for , , , If you are interested in any of our products, please feel free to contact us for more details. We hope to cooperate with more friends from all over the world.
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
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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 emphasize advancement and introduce new products into the market each year for Factory best selling 3 In 1 Transmitter - Carbon Dioxide Monitor – Tongdy , The product will supply to all over the world, such as: Guatemala, Victoria, Naples, We guarantee that our company will try our best to reduce customer purchase cost , shorten the period of purchase , stable merchandise quality , increase customers' satisfaction and achieve win-win situation .
    • This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!
    5 Stars By Fernando from luzern - 2017.07.07 13:00
    The company can think what our think, the urgency of urgency to act in the interests of our position, can be said this is a responsible company, we had a happy cooperation!
    5 Stars By Christine from France - 2018.06.12 16:22
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