This portable unit adopting electrochemical test principle monitors the ammonia content in the air, is widely applied in industries of petroleum, chemistry, coal mining, fire control, public works, communication, food and poultry. It monitors the content of ammonia in the operative environment to secure the safety of the workers there.
| Gas detected | Nh3 content in the air |
| Range | 0~100ppm |
| Resolution | 1ppm |
| Minimum reading | 1ppm |
| Maximum error | ≤50ppm:±5ppm;(50~100)ppm:±10% |
| Response time | ≤120s |
| Sensor type | Electrochemical ammonia sensor |
| Alarm | Sound alarm |
| Operating environment |
0℃~40℃（32! ~104! ）; 10%RH ~90%RH（Without condensation） |
| Powered by | 2x1.5V AAA batteries |
| Size | 55.7*29.9*135.5mm |
| weight | 104g |
