Application
STEL and TWA monitoring; Atmosphere monitoring; Monitoring for cleanliness of environment; Petroleum and chemical plant; Entering of sealing space; Quick respond for dangerous substance/ chemical weapon; Industrial paints; Leakage detecting; IAQ monitoring of indoor air quality; Soil pollution monitoring

Specification
Gas detection: Multiple gas(Toxic combustible or oxygen gas)TWA and STEL Gas Sensor CITI .Alpha or Honeywell
Accuracy:  <±3%F.S
Response time:  T90<30s
Operating temperature:  -20°C-50°C
IP Grade: IP65
Humidity: 5-90%RH no condensation
Charging time: 4-6 hr
Sampling method: Natural diffusion
Calibration: Automatic calibration and zero
Explosion proof grade: Ex ib IIC T4 Gb
Dimension: 126*66*32(mm)
Net weight: 220g(including battery)
Enclosure: Compactdurable ruggedness ABS shell
Power supply: 3.7V DC 1200mAh rechargeable Li-ion battery
Display: LCD display of gas reading and conditiondisplay TWA and peak value when needed
Alarm: Audible and visualvibration. Flashing wide-angled LED alarm light and LCD reading;90dB impulse output