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Massive Selection for Pm2.5 Monitor With Rs485 - Popular carbon dioxide monitor in wall mounting or desktop for schools and offices – Tongdy

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  • Massive Selection for Pm2.5 Monitor With Rs485 - Popular carbon dioxide monitor in wall mounting or desktop for schools and offices – Tongdy
  • Massive Selection for Pm2.5 Monitor With Rs485 - Popular carbon dioxide monitor in wall mounting or desktop for schools and offices – Tongdy

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"Based on domestic market and expand overseas business" is our development strategy for , , , We take quality as the foundation of our success. Thus, we focus on the manufacture of the best quality products. A strict quality management system has been created to ensure the quality of the products.
Massive Selection for Pm2.5 Monitor With Rs485 - 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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Massive Selection for Pm2.5 Monitor With Rs485 - Popular carbon dioxide monitor in wall mounting or desktop for schools and offices – Tongdy detail pictures

Massive Selection for Pm2.5 Monitor With Rs485 - Popular carbon dioxide monitor in wall mounting or desktop for schools and offices – Tongdy detail pictures

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Normally customer-oriented, and it's our ultimate concentrate on for being not only one of the most dependable, trustable and honest supplier, but also the partner for our shoppers for Massive Selection for Pm2.5 Monitor With Rs485 - 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: Munich, Bangkok, Honduras, They're durable modeling and promoting well all over the world. Under no circumstances disappearing key functions in a brief time, it's a should for you personally of fantastic quality. Guided by the principle of Prudence, Efficiency, Union and Innovation. the business make an awesome efforts to expand its international trade, raise its enterprise. rofit and improve its export scale. We are confident that we'll have a vibrant prospect and to be distributed all over the world in the years to come.
    • A nice supplier in this industry, after a detail and careful discussion, we reached a consensus agreement. Hope that we cooperate smoothly.
    5 Stars By Elaine from Mauritania - 2017.10.27 12:12
    The customer service reprersentative explained very detailed, service attitude is very good, reply is very timely and comprehensive, a happy communication! We hope to have a opportunity to cooperate.
    5 Stars By Joanne from Wellington - 2018.05.13 17:00
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