| 
			 Brand  | 
			
			 SMART SENSOR  | 
		|
| 
			 Color  | 
			
			 Black + Grey  | 
		|
| 
			 Display  | 
			
			 Larger LCD display  | 
		|
| 
			 Gas Type  | 
			
			 Ammonia ( NH3 ) gas detectir  | 
		|
| 
			 Measuring range  | 
			
			 0~100PPM  | 
		|
| 
			 Resolution  | 
			
			 0.1PPM  | 
		|
| 
			 Basic error:  | 
			
			 0.5PPM  | 
		|
| 
			 Response time:  | 
			
			 Less than 120 seconds  | 
		|
| 
			 Recovery time:  | 
			
			 Less than 120 seconds  | 
		|
| 
			 Repeatability:  | 
			
			 Less than ± 1%  | 
		|
| 
			 Measuring Principle  | 
			
			 Electrochemical principle, life for 2 years  | 
		|
| 
			 Low / High Alarm / Alarm Setting  | 
			
			 yes  | 
		|
| 
			 To alarm:  | 
			
			 Acoustic, optical double alarm, can set the alarm value, an alarmsound is divided into 80 dB  | 
		|
| 
			 Working Temperature:  | 
			
			 -20~ 50℃  | 
		|
| 
			 Working Humidity :  | 
			
			 <95%RH (Non Gel)  | 
		|
| 
			 Storage Temperature :  | 
			
			 0~40℃  | 
		|
| 
			 Product Weight / Size:  | 
			
			 170g / 181*63*30(mm)  | 
		|
| 
			 Power Supply  | 
			
			 3.7V li-battery  | 
		|
| 
			 Continuous Operation Time  | 
			
			 >60 hours  | 
		|
| 
			 Packing  | 
			
			 Gift Box  | 
		|
| 
			 Application:  | 
			Farms, animal farm ammonia detection; Ambient air monitoring and evaluation, Landfill ammonia detection; Frozen field ammonia concentration; Dangerous space into the detection; Shop and workshop etc and the surrounding places ammonia detection; After decorating the house ammonia detection; Storage tanks, pipelines, valves, leakage detection; Waste field survey;  | 
		|
| 
			 Packing Contents  | 
			
			 1pc AR8500 Ammonia Gas  | 
		|
| Ammonia concentration detector | ||
| 
			 The concentration of ammonia in atmosphere  | 
			
			 Human physiological reaction  | 
		|
| 
			 5~10ppm  | 
			
			 The nose may be aware of the smell.  | 
		|
| 
			 20 ppm  | 
			
			 Aware of the special smell of ammonia.  | 
		|
| 
			 40ppm  | 
			
			 A few people feel mild stimulation of eye.  | 
		|
| 
			 100ppm  | 
			
			 A few minutes of exposure caused by ocular and nasal quite stimulating  | 
		|
| 
			 400ppm  | 
			
			 Cause throat, nasal cavity and upper respiratory tract acute stimulation.  | 
		|
| 
			 700ppm  | 
			
			 Exposure for more than thirty minutes may cause permanent damage to the eye.  | 
		|
| 
			 1700ppm  | 
			
			 Severe cough, wheeze thirty minutes can be fatal.  | 
		|
| 
			 5000ppm  | 
			
			 Severe pulmonary edema disease, a moment can be fatal asphyxia.  | 
		|
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