18 Years Factory Iaq Meter - Popular carbon dioxide monitor in wall mounting or desktop for schools and offices – Tongdy
18 Years Factory Iaq Meter - 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 |
Product detail pictures:
Related Product Guide:
We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our administration ideal for 18 Years Factory Iaq Meter - 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: UK, Florence, Macedonia, Wide selection and fast delivery for you! Our philosophy: Good quality, great service, keep improving. We are looking forward that more and more oversea friends join in our family for further development near the future!
By Frank from Milan - 2017.07.28 15:46
The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.
By Queena from Germany - 2018.11.02 11:11
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