Flame detectors use optical sensors working at specific spectral ranges (usually narrowband) to record the incoming radiation at the selected wavelengths. Typically, 30–40% of the energy radiated from ...

Both types of heat detectors are designed to send an electrical signal to a control ... FM Approvals is one of a relatively small number of laboratories that certifies flame detectors, spark detectors ...

Fire alarm monitoring іs an integral component оf your building’s overall fire safety plan, and requires hiring an outside ...

The products in question are two types of fixed-temperature fire detectors, numbering at 4,869, and two types of signal transmitters, of which there are 4,764 installed throughout the country.