Super Purchasing for Carbon Monoxid Detector - EM21 Embedded Indoor Air Quality Monitor – Tongdy
Super Purchasing for Carbon Monoxid Detector - 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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We now have our own gross sales team, style and design workforce, technical crew, QC workforce and package group. We now have strict quality manage procedures for each system. Also, all of our workers are experienced in printing industry for Super Purchasing for Carbon Monoxid Detector - EM21 Embedded Indoor Air Quality Monitor – Tongdy , The product will supply to all over the world, such as: Hongkong, Argentina, Portugal, We integrate design, manufacture and export together with more than 100 skillful workers, strict quality controlling system and experienced technology.We keep long term business relationships with wholesaler and distributors form more than 50 countries, such as USA, UK, Canada, Europe and Africa etc.
The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
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