The AirLink T3A Wireless Monitor is a wireless version of a fixed explosion-proof transmitter for ambient air hazardous gas detection.
It supports industrial facilities that require fixed gas detection with wired power and wireless communication capability in a transmitter-style configuration.
Designed as a wireless 3-wire explosion-proof transmitter, the AirLink T3A uses electrochemical, infrared, or catalytic bead sensor elements depending on the gas detection requirement.

It includes wireless output options, 4–20 mA analog output, RS-485 Modbus output, a graphical LCD, and magnetic non-intrusive switches for field calibration and system access.
Key Characteristics
- Wireless 3-wire explosion-proof transmitter for fixed gas detection systems
- Electrochemical, infrared, or catalytic bead sensor element options
- Wire powered 12 to 35 VDC operation
- Wireless 900 MHz or 2.4 GHz output options
- 4–20 mA analog and RS-485 Modbus outputs
- Graphical LCD with LED backlight
- Magnetic non-intrusive switches for calibration, settings, and diagnostics
- Two individually configurable alarms
- Optional programmable alarm relays
Ideal Applications
- Petrochemical plants
- Refineries
- Water and wastewater treatment plants
- Pulp and paper mills
- Manufacturing facilities
- Chemical plants
- Fixed gas detection systems requiring wireless communication capability
- Industrial sites using wireless gas detection infrastructure
Product Family Includes
- AirLink T3A Wireless Monitor
- Wireless 3-wire explosion-proof transmitter configuration
- Electrochemical sensor configurations
- Infrared sensor configurations
- Catalytic bead sensor configurations
- Wireless 900 MHz or 2.4 GHz communication options
- 4–20 mA analog output
- RS-485 Modbus output
- Optional remote sensor kit
- Optional programmable alarm relays
Industries Served
- Petrochemical Plants
- Refineries
- Water & Wastewater Treatment Plants
- Pulp & Paper Mills
- Manufacturing Facilities
- Chemical Plants
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