|  			 Sampling  			 |  			 			 Multiple industrial pump gas sampling, ten grades of pumping flow rate for selection.  			 |  		
|  			 Sensors  			 |  			 			 Various principle sensors can be combined in any number , up to 18 sensors; Combustible: catalytic combustion principle or  			infrared principle; oxygen: electrochemical principle or zirconia principle; toxic: electrochemical principle; CO2: infrared principle; VOC: PID photo ion principle; CH4: catalytic combustion principle or infrared principle; He: thermal conductivity Principle, temperature and humidity sensors, pressure sensors (optional) (other principles of the sensor can be customized)  |  		
|  			 Measure range  			 |  			 			 0~1,10,100,1000,5000,50000,100000 PPM;0-100mg/L,200mg/L;0-100%LEL;0-10%,20%,50%,99.999%,100%Vol(Measure range is optional and  			customerized)  |  		
|  			 Resolution  			 |  			 			 0.001 PPM(0-1 PPM);0.01 PPM or 0.001 PPM(0~10 PPM);0.1 PPM or 0.01 PPM(0~100 PPM);1 PPM or 0.1 PPM(0~1000 PPM);  			1 PPM (above 0~1000 PPM); 0.01mg/L (0~200%mg/L); 0.1%LEL (0-100%LEL); 0.01%(0-100%VOL)  |  		
|  			 Precision  			 |  			 			 ≤±2%F.S (Higher precision can be customized)  			 |  		
|  			 Temperature & Humidity  			 |  			 			 Temperature:-20-50℃,resolution:0.1℃;Humidity:0-99%RH,Resolution:1%RH  			 |  		
|  			 Pressure  			 |  			 			 0.5 – 2.0 bar (Optional)  			 |  		
|  			 Screen  			 |  			 			 3.5-inch hd LCD screen with resolution 320* 480  			 |  		
|  			 Display  			 |  			 			 Formula, Concentration Data, Unit , Curve, Battery Power, Time, Temperature, Humidity, Pressure (Optional), Pump Status, Wireless  			Status, Printer Status, Screen shot Status  |  		
|  			 Alarm  			 |  			 			 Buzzer, red LED and alarm status on the display, fault alarm, pump abnormal alarm, low battery alarm  			 |  		
|  			 Data storage  			 |  			 			 An independent SD memory card,Max.32G,Measurement data automatic recording function, can customize record time interval  			 |  		
