Factory best selling 3 In 1 Transmitter - Carbon Dioxide Monitor – Tongdy
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:
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Like a result of ours specialty and repair consciousness, our enterprise has won a superb popularity amid buyers everywhere in the environment for Factory best selling 3 In 1 Transmitter - Carbon Dioxide Monitor – Tongdy , The product will supply to all over the world, such as: Azerbaijan, Argentina, Auckland, Merchandise have been exported to Asia, Mid-east,European and Germany market. Our company has constantly been able to update the items performance and safety to meet the markets and strive to be top A on stable quality and sincere service. If you have the honor to do business with our company. we'll undoubtedly do our very best to support your business in China.
By Jane from South Korea - 2018.12.11 14:13
Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
By Pearl Permewan from Bulgaria - 2018.07.27 12:26
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