| Test indicator | Parameter | Model | HJ53 | 
		
			| Temperature | Range : -30~70℃ Resolution : 0.1℃
 Accuracy :±0.4℃
 | Rainfall | Range : 0~4mm/min Resolution : 0.1mm
 Accuracy : ±0.1mm
 | 
		
			| Humidity | Range : 0~100%RH Resolution : 1%RH
 Accuracy : ±3%RH
 | CO2 | Range : 0~2000ppm Resolution : 1ppm
 Accuracy : 40ppm+ measure value * 3%
 | 
		
			| Dew point | Range : 0~100℃ Resolution : 0.1℃
 Accuracy : ±3℃
 | Soil temperature | Range : -30~70℃ Resolution : 0.1%
 Accuracy : ±0.3℃
 | 
		
			| Wind direction | Range : 0~359° Accuracy : ±1°
 | Soil salinity | Range : 0~19.99ms/cm Resolution : 0.1%
 Accuracy : ±0.2%
 | 
		
			| Wind speed | Range : 0~30m/s Accuracy : ±0.1m/s
 | Soil pH | Range : 4~9pH Accuracy : ±0.1
 | 
		
			| PAR | Range :0~2.700umolm-2s-1 (400-700nm)
 Resolution : 1umolm-2s-1
 Accuracy : ±1umolm-2s-1
 | UV | Spectrum range : 280~400nm(UV AB) 315~400nm(UV A)
 280~315nm(UV B)
 | 
		
			| Illumination time | Range : 0~2h Spectrum range :0.3~3um
 Resolution : 0.1h
 Response time <5s
 | PM2.5 | Range : 0.3~1.0,1.0~2.5,2.5~10um Range : 0~500ug/m3
 | 
		
			| Total radiation | Spectral range : 300~3000um Signal range :0~2000W/m2
 | Air pressure | Range : 0~1100.0HPa Accuracy : 0.1HPa
 | 
		
			| Evappration | Range : 0~20mm/day Accuracy : ±1%
 | Rainfall & Snow | Error <100ppm Static power consumption :0.5W
 | 
		
			| Ammonia | Range : 0~10,50,100,200,1000,5000ppm optional Resolution :0.01ppm(0~100ppm);0.1ppm(0~1000ppm);1ppm(1000ppm above);
 Accuracy ≤±3%
 | Net radiation | Spectral range : 3~100um(long wavelength); 0.3~3um(short wavelength)
 Signal range : 0~2000W/m2,7~14U/W*m2
 | 
		
			| Leaf humidity | Response time <2s Accuracy : ±5%
 Resolution : 0.1%
 Stability : ±3%
 Non-linearity : ±2%
 Range :0~100%
 |