|  			 Delection Gases  			 |  			 			 1-4 gases(Carbon monoxide CO,hydrogen sufide H2S,oxygen O2,flammable gas Ex,carton dioxide CO2 VOC,etc)  			Depends on site environment and user needs  			 |  		
 		 			|  			 Gas Ranges  			 |  			 			 0-1000,5000,10000ppm.100%Vol,100%LEL.Depends on site environment and user needs  			 |  		
 		 			|  			 Resolution  			 |  			 			 0.001ppm (0-10ppm high precision)  			0.01ppm (0-10 ppm)  			0.01ppm (0-100 ppm)  			0.1ppm (0-1000 ppm)  			1ppm (0~5000 ppm and above)  			0.1%LEL:0.01%Vol  			 |  		
 		 			|  			 Unit Display  			 |  			 			 Optional units:umol/mol ppm,mg/m3,%Vol,%LEL  			 |  		
 		 			|  			 Gas Sensor Principle  			 |  			 			 Electrochemistry,catalytic combustion,infrared,thermal conductivity,semiconductor,PID photoionization,etc.Depending on the  			range,application and user needs  			 |  		
 		 			|  			 Sensor Life  			 |  			 			 Electrochemistry 2-3 years,catalytic combustion 2-3 years,infrared 5-10 years,thermal conductivity 2-5 years,  			PID 2-3 years  			 |  		
 		 			|  			 Detection  			 |  			 			 Diffusion/pumping type,standard configuration: external pump  			 |  		
 		 			|  			 Display  			 |  			 			 2 inch LCD  			 |  		
 		 			|  			 Display Content  			 |  			 			 Real-time concentration,unit,gas name,alarm status,time,storage,communication status,power,charging  			status,etc  			 |  		
 		 			|  			 Detection Accuracy  			 |  			 			 Typical accuracy≤±3%FS  			 |  		
 		 			|  			 Response Time  			 |  			 			 T90≤ 20seconds(general)  			 |  		
 		 			|  			 Working Power Supply  			 |  			 			 DC7.4V  			 |  		
 		 			|  			 Battery Capacity  			 |  			 			 7.4V,1400mAh Rachargeable polymer battery,without overcharge,overdischarge,overvoltage,short circuit and  			oveheating protection funchions  			 |  		
 		 			|  			 Operating Hours  			 |  			 			 More than 100 hours (Diffusion type,non-catalytic sensor)  			 |  		
 		 			|  			 Alarm Volume  			 |  			 			 More than 90dB  			 |  		
 		 			|  			 Usage Environment  			 |  			 			 Temperatune:-20℃-+50℃,can be customized-40℃+70℃,relative humidity:10-95%RH  			 |  		
 		 			|  			 Communicalion Interfaoe  			 |  			 			 Standard Type-C port for communicafion,standard cradle charging base (Fully charged in 2 hours)  			 |  		
 		 			|  			 Data Storage  			 |  			 			 Standard capacity 200,000 data recording, supports local viewing,detection or data export,and the storage time interval can be set  			arbitrarily   			 |  		
 		 			|  			 Language  			 |  			 			 Chinese or English optional,defaut Chinese interface  			 |  		
 		 			|  			 Explosion-proof Type  			 |  			 			 Intrinsically safe Exia II CT4 Ga,Atex certificate  			 |  		
 		 			|  			 Protection level  			 |  			 			 IP68  			 |  		
 		 			|  			 Dimension  			 |  			 			 90*70*38mm(L*WxH)  			 |  		
 		 			|  			 Weight  			 |  			 			 About 380g  			 |  		
 		 			|  			 Standard Accessories  			 |  			 			 Instructions,certficate,USB Charger (including data cable),charging dock,instrument case,external pump caltbration cover),fiter individual  			 |