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

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In order to give you convenience and enlarge our business, we also have inspectors in QC Team and assure you our best service and product for , , , We cordially welcome shoppers from in the home and overseas to hitch us and cooperate with us to enjoy a better future.
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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Our pursuit and company goal is to "Always satisfy our customer requirements". We continue to develop and design superior quality products for both our old and new customers and achieve a win-win prospect for our clients as well as us 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: El Salvador, Zurich, Guinea, Our products are exported worldwide. Our customers are always satisfied with our reliable quality, customer-oriented services and competitive prices. Our mission is "to continue to earn your loyalty by dedicating our efforts to the constant improvement of our products and services in order to ensure the satisfaction of our end-users, customers, employees, suppliers and the worldwide communities in which we cooperate".
  • The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.
    5 Stars By Frank from Egypt - 2018.12.22 12:52
    Managers are visionary, they have the idea of "mutual benefits, continuous improvement and innovation", we have a pleasant conversation and Cooperation.
    5 Stars By Julie from Swiss - 2018.07.26 16:51
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