Overview

GAOTek Gas Detector with Alarm effectively detects concentration of oxygen and toxic, harmful or flammable gas with wide measuring range and high accuracy.

Key Features

  • Single gas detection, sound/light/vibration alarms
  • Segment encoding LCD display
  • Backlight setting is available
  • Self-test during starting up
  • Setting upper/lower alarm points, STEL and TWA is also inclusive for toxic gases
  • Adjustable calibration concentration, facilitating users for calibration
  • Modifiable user passwords, providing users with operation protection
  • Large-capacity lithium battery with very long standby time
  • Real-time clock setting function
  • Setting of the silencer
  • Alarm sounds at different frequencies under different alarm conditions
  • Manual cancellation of vibration alarms
  • Automatic battery detection and undervoltage indication

Technical Specifications

Parameters Characteristics
Detected Gas flammable gases,

oxygen gas and many kinds of toxic & harmful gases.(Please refer to the Lectotype table)

Sampling Method Diffusion
Measurement Principle Electrochemical(oxygen and toxic gases)

Catalytic combustion(flammable gases)

Infrared principle(carbon dioxide gas)

Response Time (CO2<10s)、(O2、flammable gases<20s)、(CO 、H2S 、SO2、CL2、NO、CLO2、NO2、H2<30s)、(HCN、NH3、PH3<100s)
Detection Error ±5%F.S
Operation Mode Touch push-keys
Display Mode LCD display
Working Temperature -4F – 131F (-20℃~55℃)
Environment Humidity 0~95%RH(non condensation)
Storage Temperature 32F-104F (0℃~40℃)
Power Supply Rechargeable lithium battery, continuously work for over 24 hours.
Battery 4.2V lithium battery ,1700mA/h
Dimension 4.92in x 2.60in x 1.65in

(125×66×42 mm)

Weight 0.23lbs (105g)
Certification of Explosion Protection ExiaII CT3
Calibration Mode Optional calibrating cap to facilitate calibration by users.

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