Gas detection controllers

A gas detection controller is the prime element of a fixed gas detection system. Gas sensors continuously detect presence of gases and send measured concentrations to a controller via an electrical signal. The gas detection controller then displays the gas concentration in digital values and if these concentrations are abnormal, it triggers audible and/or visual alarms and takes preset actions. This type of units enables a continuous monitoring 24 hours a day of hazards linked to the presence of combustible, toxic, asphyxiating and refrigerant gases as well as solvents and volatile organic compounds (VOC). Our whole range of controllers can fit in any application.

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Gas detection controller types and specifications

Gas detection controllers are gathered into two main categories: single-channel controllers and multichannel controllers. Even if they have the same purpose, their difference is related to the number of gas detectors and warning devices they can be linked to: single-channel controllers can only be linked to one or two fixed gas detectors and multichannel gas detection controllers can be linked to tens of detectors.

Monitoring signal report functions are made through a 4-20 mA standard analog signal on all of our gas detection control panels. Some of them also feature more specific digital communication protocols like ModBus or Ethernet. Moreover, thanks to new technologies, fixed gas detectors can now be linked together with only one cable, which reduces the wiring cost of a fixed gas detection system implementation.

Once a detector enters in alarm mode, the gas detection controller instantly triggers actuators to secure the contaminated area. For example, in a boiler room, the controller will shut-down the gas supply and activate a ventilation.

Fixed gas detection system commissioning and management

All of our fixed gas detection controllers are fully compliant with current industrial standards and regulations and are available in several versions for tertiary (collective boiler rooms, parking lots, small and medium refrigerant installations) or industrial (production plants, oil riggers, SEVESO sites) applications.

For selected territories GazDetect also offers full management of your fixed gas detection project and its maintenance in order to ensure measurement accuracy. This way, we can assist you at any level: functional analysis, conception of electrical cabinets and boxes, on site installation and any gas related works such as gas installation purging, gas solenoid valve implementation or any other work on a gas line. As we are working with the major brands on the market, we rely on a large network of field technicians with proven skills and expertise all over the world. Watch the video introducing our on site interventions