Smoke, Heat and Gas Detection in Aberdeen

Realm Fire & Security can design and install smoke, heat and gas detection systems for your business or home. Smoke, heat, and gas detection systems provide an early warning to everyone in the building should a fire occurs. There are different ways to detect either smoke, heat, or gas. We have provided a description below of the different types of detection, and the different detectors used in each.

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Smoke Detection

There are different types of smoke detector: Optical/multi-sensor, ionisation and beam detectors.

Optical

Optical smoke detectors operate on the principal of infra-red light refracting off smoke particles entering the chamber. This makes this type of detector more sensitive to smouldering fires such as modern fabrics or furnishings. Optical detectors are more prone to false alarms from steam or dusty environments (outside bathroom/building works).

Beam Detectors

Beam detectors comprise of a transmitter and receiver. The transmitter emits an infra-red beam from the TX (transmitter) to the RX (receiver). The beam detects obscuration by the smoke.

Ionisation

Ionisation detectors operate on the principal of charred smoke passing between two electrodes causing a small current flow. This makes this type of detector more suitable for fast flaming fires such as paper/wood. Ionisation detectors are more prone to false alarms from a burning smell, i.e. outside a kitchen.

Heat Detection

There are two main types, rate of rise and fixed temperature. Rate of rise Heat detectors will respond to a sudden increase in temperature but will also have a fixed element in case of a slow smouldering fire. Rate of rise detectors are most suitable for areas where a smoke detector is undesirable, i.e. staff room. Fixed temperature Heat detectors have a sensing element fixed at a particular temperature, when this is reached, the detectors operate. Fixed temperature is ideal for kitchens or boiler rooms, where a rate of heat rise detector would be unsuitable.

Gas Detection

Toxic and flammable gases present a serious risk to health and safety. When toxic gases are present the risks of poisoning or asphyxiation increase considerably and when flammable gases and vapours are exposed there is a serious danger of fire and explosions. It is imperative then that an early warning gas detection system is in place and one which ideally has the capacity to respond automatically to reduce further risks. Realm Fire & Security can provide a gas detection solution for all applications, utilising a range of sensing technologies for all target gases.

Gases detected include:

Flammable gas detection

  • Methane
  • LPG
  • Butane
  • Propane
  • Hexane
  • Hydrogen

Toxic gas detection

  • Carbon Monoxide
  • Hydrogen Sulphide
  • Chlorine
  • Ammonia
  • Chlorine Dioxide

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