Combustible gas-air mixtures can be burned over a wide range of concentrations. The actual minimum concentration varies from about 0.5% to about 15% by volume in air for most common CHCs.
Combustible gas-air mixtures can be burned over a wide range of concentrations. For each there is a specific minimum concentration above which an ignition source will cause an explosion or flame front propagation. This is called the Lower Explosive Limit (LEL) of that gas or vapor. It is sometimes called the Lower Flammable Limit (LFL). The LEL is different for every gas. Control Equipment have a number of different Instruments that can detect Combustible Gas.
Fixed Solutions
R61-0203RK
One of our most popular instruments is the R61-0203RK. This is a diffusion sensor which is designed to be located near the hazard and wired back into a central control system or one of our Beacon Controllers. The sensor carries ANZEx Certification and is arguably one of the most robust and long-lasting sensors in our range.
Features
- Long Life
- ANZEx Certified
- 0-100% LEL Range
- IP66
- Suitable to a wide range of combustible gases
- Remote calibration systems are available which enable servicing to be carried out from ground level
SD-1
The SD-1 is a stand-alone instrument which is a sensor and controller all in the one enclosure. As such the SD-1 is able to run independent alarms. It can also be incorporated into a current system as required. Due to the on-board display the SD-1 is ideal for areas where personnel can visually see the gas levels around them.
Features
- Sensor and Controller all in 1 instrument
- IP65
- IECEx Certification
- Small and unobtrusive
- Suitable to a wide range of combustible gases
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