Technical Parameters:
| 
			 Model  | 
			
			 PCM-B  | 
		
| 
			 Measuring Area  | 
			
			 2mm*2mm  | 
		
| 
			 Measuring Mode  | 
			
			 2-wavelength concentration difference of optical methods  | 
		
| 
			 Sensors  | 
			
			 Silicon semiconductor photodiode  | 
		
| 
			 Display Mode  | 
			
			 Measuring value: 3 digits liquid crystal display Measuring time: 2 digits liquid crystal display  | 
		
| 
			 Min Measuring Interval  | 
			
			 <3s  | 
		
| 
			 Measuring Range  | 
			
			 0.0-99.9 SPAD, 0-60℃  | 
		
| 
			 Accuracy  | 
			
			 ±1.0 SPAD, ±1℃  | 
		
| 
			 Repeat  | 
			
			 ±0.3 SPAD  | 
		
| 
			 Power Supply  | 
			
			 4.2V, -2000Mah rechargeable Li battery  | 
		
| 
			 Memory Capacity  | 
			
			 SD card, 2GB  | 
		
| 
			 Package Size(W*D*H)  | 
			
			 300*250*150mm  | 
		
| 
			 Gross Weight  | 
			
			 1kg  |