A14/A11 Modular Gas Detector

The A14/A11 Modular Gas Detector is a flexible component system providing a platform for multiple gas detector inputs and alarms.

A14/A11 modular gas detector

ATi’s A14/A11 Modular Gas Detector is a flexible component system providing a variety of options to meet individual gas detection and alarm requirements. From chemical and petrochemical plants to food processors, this economical and low maintenance system can be applied to the simplest or most complex gas detection application and is the best choice for reliable gas leak detection.

The A14/A11 GasSens gas detection systems consist of individual modules that can be located where required. Sensor transmitters, located in the area where gas leakage or buildup might occur, provide the basic measurement for the system. Sensor transmitters are available in either NEMA 4X or explosion-proof versions and can be supplied with ATi’s exclusive Auto-Test automatic gas sensor testing system, greatly reducing operator testing requirements.

Features & specifications

  • Receiver modules provide electronic brains for the gas detection and alarm system
  • Isolated analog output and 4 relay outputs
  • Universal power supply modules provide DC power to receivers.
  • Power supply provides a power failure relay and charging for optional battery back-up unit.
  • LED Display
  • Analog Output
  • Two Alarm Setpoints
  • Three Alarm Relays
  • Trouble Alarm & Relay
  • Front Panel Reset Switch
  • Remote Reset Input
  • Pluggable Terminal Blocks


Due to it’s modular build, the A14/A11 system can be applied to the simplest or most complex gas detection applications including:

  • Chemical plants
  • Pulp & paper mills
  • Semiconductor fabrication
  • Food processing
  • Water treatment
  • Mineral processing
  • Wastewater treatment
  • Parking facilities
  • Gas processing
  • Petroleum refining

Key benefits

  • AutoTest feature provides daily, reliable response checks to ensure system integrity
  • Digital display of gas concentration



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