MS400-AQI contains wind direction, wind speed, temperature, and humidity sensors.
* Adopted advanced electric circuit design.
* Mature kernel algorithm processing.
* Unique external appearance design, simple operation, and convenience to carry.
* Had achieved a number of patents about the software works, external appearance, and so on.
* Continuously monitoring and displaying concentrations of up to 4 sensors.
|  			 Technical Parameter  			 |  		|
|  			 Wind Speed  			 |  		|
| Speed | 0-60m/s | 
| Monitoring Principle | Hall Principle | 
| Precision | ±(0.3±0.03V) m/s | 
| Distinguishing Rate | 0.3 m/S | 
| Starting Threshold Of Wind Velocity | ≤0.6m/s | 
|  			 Wind Direction  			 |  		|
| Measuring Range | 0-360° | 
| Directions | 16 directions | 
| Monitoring Principle | Hall Principle | 
| Precision | ±3° | 
| Resolution | 0.1° | 
| Starting Threshold Of Wind Velocity | ≤0.8m/s | 
| Response Time | <1S | 
| Supply Voltage | DC12V-DC24V | 
| Power Consumption | ≤200mW | 
| Ambient Temperature | -20-80℃ | 
| Working Humidity | 0-100 %RH | 
|  			 Others  			 |  		|
| Display | 2.31 inch color display | 
| Battery | DC3, 4500mA rechargeable battery | 
| Housing | Rubber Enclosure | 
| Size | 160x70x28mm | 
| Weight | 300g | 
| EX grade | Ex ia IIC T6 Ga | 
| Protection Level | IP65 | 



