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AE4001 Gas Monitoring System

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About the Product

Multi-Channel Gas Monitoring System

The Model 4001 System Controllers provide concentration display, alarm activation, and power supply functions for field mounted gas sensing devices. The system controller works in conjunction with any 4 – 20 mA Sensing Head for monitoring a wide variety of toxic and combustible gases.

The two user adjustable alarm levels for each channel permits you to set the activation points to conform with your particular application or local regulations. The front panel contains a large, highly visible, LED display as well as individual alarm indicators for each channel and level. You are given a comprehensive report on the gas monitoring and instrument status.

The system controller is housed in a rugged, weather-proof housing. These wall mountable enclosures are available in single or four channel sizes. The Model 4001 monitors up to four different sites or different gases from a central location. New gas sensing channels can be added to the system as your needs grow or require change.

The Airwave Sensing Heads provide fast, accurate, and reliable response to the gas of concern. In turn, the Model 4001 can be used for activating alarm annunciators or for controlling functions like ventialation based on the measured values. These systems are ideally suited for leak detection, environmental control, worker protection, or other industrial gas monitoring applications.

Sensor Temperature Compensation

Airwave incorporates temperature compensation at the sensor. By using compensation at the sensor, it’s response is unaffected by ambient temperature changes and calibration can be conducted irregardless of temperature. This provides an accurate measurement of gas concentrations.

Gas Monitoring System


  • Monitors up to four locations and four different gasses simultaneously and continuously
  • High and low alarm levels for each channel
  • Digital Display and alarm indicators on the front panel
  • Modular design allows expansion
  • Weather resistant enclosure
  • Available for monitoring
    • Chlorine (Cl2)
    • Ammonia (NH3)
    • Oxygen (O2)
    • Carbon Monoxide (CO)
    • Combustible Gases (LEL)
    • Hydrogen Sulfide (H2S)
    • Sulfer Dioxide (SO2)
    • Nitrogen Dioxide (NO2)
    • Other gases available. Consult factory