Technical Specifications

Measure gas:NH3
NH3:0-100PPM(Customizable)
Sampling accuracy:±3%F.S
Working temperature:-20 ～ 50℃
Screen size:3.5-inch TFT color screen display, 480*320
Battery capacity:5400mA
Working voltage:DC5V±1%/DC24±1%
Sampling method:Pump suction type (Adjustable pump speed)
External dimensions:230×95×65mm(L×W×H）
Do not count the sampling tube
Protection grade:IP65 
Data storage:100,000 entries
Detection principle:Electrochemistry
Resolution:0.1%LEL
Response time:T90<10S
Working humidity:0-95%RH
Charging interface:5VDC
Working air pressure:86kpa-106kpa
Output method:USB
Warranty period:1years
Sensor service life:1-3years
Explosion-proof grade:Ex ib ll CT4 Gb
Alarm record:1000items
Alarm Settings:The standard configuration is two-level alarm, and the alarm mode can be set: high and low alarm
Calibration method:Primary calibration, secondary calibration, and tertiary calibration
enforce standards:
GB/T 3836.1-2021 "Explosive Atmospheres - Part 1: Equipment - General Requirements"
GB/T 3836.4-2021 "Explosive Atmospheres - Part 4: Equipment Protected by intrinsically safe type 'i'"
Optional accessories    High-temperature sampling handle (Customized sampling handles of different temperatures according to the detection temperature)