Detectors 074
Detectors 074 : Particle Detectors: (4.2) Carbon Monoxide Detector: (2) Sensors: (2. 1) Opto-Chemical: The detector consists of a pad of a coloured chemical which changes colour upon reaction with carbon monoxide. They only provide a qualitative warning of the gas however. The main advantage of these detectors is that they are the lowest cost, but the downside is that they also offer the lowest level of protection