New Delivery for Pm2.5 Air Monitor - EM21 Embedded Indoor Air Quality Monitor – Tongdy
New Delivery for Pm2.5 Air Monitor - 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) |

Product detail pictures:
Related Product Guide:
We retain bettering and perfecting our goods and service. At the same time, we perform actively to do research and enhancement for New Delivery for Pm2.5 Air Monitor - EM21 Embedded Indoor Air Quality Monitor – Tongdy , The product will supply to all over the world, such as: Southampton, Portland, Muscat, Our company regards "reasonable prices, efficient production time and good after-sales service" as our tenet. We hope to cooperate with more customers for mutual development and benefits. We welcome potential buyers to contact us.
We always believe that the details decides the company's product quality, in this respect, the company conform our requirements and the goods are meet our expectations.
Write your message here and send it to us





