Manufacturing Companies for Home Air Testing - EM21 Embedded Indoor Air Quality Monitor – Tongdy

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Manufacturing Companies for Home Air Testing - EM21 Embedded Indoor Air Quality Monitor – Tongdy Detail:

Real-time indoor air quality detection, single or combined measurement selection: PM2.5, CO2, TVOC, HCHO,Temperature and RH
3-color light indicates the range of the main measurement
Screen display optional

Technology Specifications

Specifications CO2 TVOC PM2.5 Temp&RH HCHO
sensor NDIR Metal oxide semiconductor Laser particle sensorLight scattering method High-precision digital integratedTemperature and humidity sensor Electrochemical Formaldehyde sensors
Measuringrange 400~5,000ppm 0~ 4.0mg∕㎥ 0~500μg∕㎥ Temp:-20℃~60℃Humidity:0~99%RH 0~0.6mg/m3
Output Resolution 1ppm 0.001mg∕㎥ 1μg∕㎥ Temp:0.01℃ Humidity:0.01%RH 0.001mg∕㎥
Accuracy ±50ppm + 3% of readingor 75ppm <15% <15% Temp:±0.8℃ Humidity:±4.5%RH ±0.005mg/㎥+5% of reading

 

General Specifications
Detection Parameters(max.) PM2.5;CO2;TVOC;Temp&RH;HCHO Power Supply

24VAC/VDC±10%100~240VAC

Output (Optional) RS485 (Modbus RTU)WIFI @2.4 GHz 802.11b/g/nRJ45 (Ethernet TCP) PoE power supply Optional Shell material and IP level PC fireproof materialIP30
OperatingEnvironment Temp:-10~60℃Humidity︰0~99%RH Overall Dimension 91.00mm*111.00mm*51.00mm
Storage Condition 0℃~50℃0~70%RH Installation standard Standard 86/50 pipe box (installation hole distance 60mm)American standard pipe box (installation hole distance 84mm)

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Product detail pictures:

Manufacturing Companies for Home Air Testing - EM21 Embedded Indoor Air Quality Monitor – Tongdy detail pictures

Manufacturing Companies for Home Air Testing - EM21 Embedded Indoor Air Quality Monitor – Tongdy detail pictures

Manufacturing Companies for Home Air Testing - EM21 Embedded Indoor Air Quality Monitor – Tongdy detail pictures

Manufacturing Companies for Home Air Testing - EM21 Embedded Indoor Air Quality Monitor – Tongdy detail pictures


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The customer satisfaction is our primary goal. We uphold a consistent level of professionalism, quality, credibility and service for Manufacturing Companies for Home Air Testing - EM21 Embedded Indoor Air Quality Monitor – Tongdy , The product will supply to all over the world, such as: Belgium, Bandung, Turkey, Due to good quality and reasonable prices, our items have been exported to more than 10 countries and regions. We are looking forward to cooperating with all customers from at home and abroad. Moreover, customer satisfaction is our eternal pursuit.
  • The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.
    5 Stars By Jodie from Chile - 2018.02.08 16:45
    The company has a good reputation in this industry, and finally it tured out that choose them is a good choice.
    5 Stars By Judith from UAE - 2017.09.16 13:44
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