Cheapest Price Indoor Aqi Monitor - Popular carbon dioxide monitor in wall mounting or desktop for schools and offices – Tongdy
Cheapest Price Indoor Aqi Monitor - 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 rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for Cheapest Price Indoor Aqi Monitor - 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: South Korea, Liberia, Switzerland, We have more than 8 years of experience in this industry and have a good reputation in this field. Our products have won praise from customers worldwide. Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us.
By Paula from Egypt - 2017.11.20 15:58
The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
By Pandora from Rome - 2018.10.09 19:07
Write your message here and send it to us
Products categories
-
Professional China Voc Co2 Rs485 - Telaire T66...
-
Factory wholesale Ozone Sensor Price - Particl...
-
Factory made hot-sale Fresh-Air Dehumidifying C...
-
Manufactur standard China Factory Co Transmitte...
-
Wholesale Dealers of Digital Temperature Humidi...
-
Factory Outlets Air Quality In House - IAQ Mul...