Gas alarm and detection systems are designed to give people working in a vulnerable environment an early indication if combustible or toxic gas would be detected. There are many different models which varies in function and most of all which and how much gas they might detect. Most of the modern gas alarm systems include decentralized detectors, connected to a centralized controller. This means that if a detector in a remote location detects gas, the alarm goes off on the centralized controller and at the same time you’ll hear the alarm sounding from all the other detectors. Systems like this are the best solution for bigger compounds.
There are also different setups on the controllers themselves. There are fixed-point detectors as well as open path detectors. Open path detectors use infrared beams or in some cases laser to measure the average concentration of gas in an open area. The open path detectors consist of a sender and a receiver and the gas concentration is measured between these points. A fixed-point detector measures the gas concentration close to the detector itself, sort of like a smoke detector.
Depending on the location or compound you’re planning on getting a gas alarm system for, you might need to think about how you want it all connected. As there are both wired or wireless solutions. If your facility consists of a small number of rooms and the distance from where you are planning on placing the detectors and where you are planning on placing your alarm controller isn’t far, you might be able to connect the system with wires. But in bigger facilities, with multiple measuring units and further distances, a wireless solution might be your best go.
Regardless of what your need is, if you aren’t familiar with these products, you should always contact someone who is. Usually, the resellers also offer consultation regarding which solution fits your facility the best. So to be sure, always contact a well-known reseller before installing a gas alarm system.