| 
				 Details  | 
			
				 Technical Data  | 
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| 
				 Measurement Principle  | 
			
				 Electrochemical sensor  | 
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				 Measurement Range  | 
			
				 0.000mg/L~2.500 mg/L  | 
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| 
				 Resolution  | 
			
				 0.001 mg/L  | 
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| 
				 Accuracy: Measurement Error, in relation to the ethanol standard  | 
			
				 Measurement Range C / ( mg/L)  | 
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| 
				 
  | 
			
				 C<0.400  | 
			
				 ±0.020 mg/L  | 
		
| 
				 
  | 
			
				 0.400≤C<1.000  | 
			
				 ±10%  | 
		
| 
				 
  | 
			
				 C≥1.000  | 
			
				 ±20%  | 
		
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				 Calibration  | 
			
				 Every 6 months  | 
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| 
				 Temperature range - operation  | 
			
				 0°C~40°C  | 
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				 Temperature range – storage  | 
			
				 -30°C~70°C  | 
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| 
				 Optimum Storage Conditions  | 
			
				 Temperature:20°C ±5°C Humidity:<80%RH Pressure:86 kpa~106 kpa No vapor or electromagnetic disturbances in the environment are influencing the normal working conditions of the device  | 
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| 
				 Blowing Time  | 
			
				 2.5seconds(breath flow: ≥20L/min)  | 
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| 
				 Display  | 
			
				 128X64 black and white screen  | 
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				 Dimension(LXWXT)  | 
			
				 105mm)×45mm ×17mm  | 
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| 
				 Batteries  | 
			
				 7 alkaline dry batteries 1.5AAA*2  | 
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| 
				 Weight  | 
			
				 Approx. 75g (including battery)  | 
		|
Contact:Mr.Kevin
Phone:0086-18926065979
Email:kevin.wong@poofecttech.com
Company:Shenzhen Kuchi Technology Co., Ltd
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