| 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
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 		 			| 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
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 		 			| 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 therange,application and user needs
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 		 			| Sensor Life | Electrochemistry 2-3 years,catalytic combustion 2-3 years,infrared 5-10 years,thermal conductivity 2-5 years,PID 2-3 years
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 		 			| 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,chargingstatus,etc
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 		 			| 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 andoveheating protection funchions
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 		 			| 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 setarbitrarily
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 		 			| 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 |