Factory Cheap Voc Sensors And Monitors - Popular carbon dioxide monitor in wall mounting or desktop for schools and offices – Tongdy

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Our firm sticks on the theory of "Quality will be the life in the enterprise, and status could be the soul of it" for , , , How about to start your good organization with our corporation? We are all set, properly trained and fulfilled with pride. Let’s start our new business enterprise with new wave.
Factory Cheap Voc Sensors And Monitors - Popular carbon dioxide monitor in wall mounting or desktop for schools and offices – 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 Cheap Voc Sensors And Monitors - Popular carbon dioxide monitor in wall mounting or desktop for schools and offices – Tongdy detail pictures

Factory Cheap Voc Sensors And Monitors - Popular carbon dioxide monitor in wall mounting or desktop for schools and offices – Tongdy detail pictures


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We pursue the management tenet of "Quality is superior, Service is supreme, Reputation is first", and will sincerely create and share success with all clients for Factory Cheap Voc Sensors And Monitors - Popular carbon dioxide monitor in wall mounting or desktop for schools and offices – Tongdy , The product will supply to all over the world, such as: St. Petersburg, Las Vegas, Bolivia, Our product quality is one of the major concerns and has been produced to meet the customer's standards. "Customer services and relationship" is another important area which we understand good communication and relationships with our customers is the most significant power to run it as a long term business.
  • The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.
    5 Stars By Nainesh Mehta from kazan - 2017.01.28 18:53
    We feel easy to cooperate with this company, the supplier is very responsible, thanks.There will be more in-depth cooperation.
    5 Stars By Michelle from Auckland - 2017.08.21 14:13
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