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Light Wave is a pioneer in providing industrial grade fire and gas detection system covering all fire and gas detection and alarm products for any kind of establishments like individual homes, apartments, commercial buildings, factories, etc. Our Fire and Gas detectors come with an advanced feature of sending alarm online to the owner in case of any unfortunate event.

Fire detection systems are designed to discover fires early in their development when time will still be available for the safe evacuation of occupants. Early detection also plays a significant role in protecting the safety of emergency response personnel. Property loss can be reduced and downtime for the operation minimized through early detection because control efforts are started while the fire is still small.

There are various types of detectors available for fire detection system designers and each type is suitable for a particular use. The type of fire / smoke being detected will determine the choice of detector.

Types of Smoke & Fire detectors:

Point Smoke Detectors

There are two types of detectors which works on two different principles. The first type is Ionization Chamber Smoke Detectors,

which detects smoke by change in current flows between electrodes when smoke enters the chamber of an ionization detector. This detector is sensitive to smoke containing small particles, such as are produced in rapidly burning flaming fires. Second type of detectors are Optical smoke detectors, which detects smoke by means of the light scatter principle. When smoke enters the chamber the small LED light source within the detector is deflected towards the receiver to trigger the detector. Optical smoke detectors are sensitive to optically dense smoke.

Multi Sensor Fire Detectors

This type of detector contains more than one sensor, each of which responds to a different physical and/or chemical characteristic of fire.

The purpose of combining sensors in this way is to enhance the performance of the system in detection of fire by means of smoke, heat or CO gasses. These detectors can reduce certain categories of false alarm.

Point Heat Detector

There are two types of point heat detectors. The first type is the Rate of Rise heat detector which reacts to abnormally high rates of temperature change .

and provides the fastest response over a wide range of ambient temperatures. The second type is the Fixed Temperature which reacts to a pre-determined fixed temperature rather than a rate of rise temperature. The fixed type is suitable where sudden large change in temperature is considered normal for example in boiler rooms and kitchens.

Linear Heat Detector

This type comes in the form of length of wire or tube. Ideally suitable for cable tunnels, cable trays, transformer bays, etc. there are two types of linear.

heat detectors. One is theNon – Integratingtype consists of an electric cable with an insulation of fixed melting point which is suspended over the area to be protected. The melting of the insulation when there is a fire causes a short circuit which causes the system go into alarm mode. And the second type is theIntegrating type in which the insulation does not melt but electrical resistance is temperature dependent. The average temperature is taken over the whole length of wire rather than sections of it and change in resistance because of increase of temperature would sound the alarm.

Optical Beam Detector

The optical beam consists of two units, a transmitter and a receiver which can either be two separate units installed at some.

distance apart or combined into a single unit and a reflector used to reflect the transmitted beam back to the receiver.Optical beam smoke detectors are provedto be economical and effective for the protection of large, open plan spaces with relatively high ceilings for an example warehouses.

Flame Detectors

These detectors known as Infra-red flame detectors,operate by detecting certain frequencies of flicker produced by flaming fires.

They are sometimes used to protect very high spaces, such as large halls or indoor stadiums. They can be mounted at relatively low levels on walls around a very high protected space.

7. Carbon Monoxide Detectors

This type of detector goes into an alarm when they sense a certain amount of carbon monoxide in the air over time. Different types of alarms are triggered by different types of sensors.Carbon monoxide detectors can be immune to certain environmental influences that can result in false alarms from certain smoke detection systems, such as dust, steam and cigarette smoke, while responding to many types of fire appreciably faster than heat detectors.

Light Wave is also provide Gas Detection system for detection of a particular gas in an area. This type of equipment is used to detect a gas leak or other emissions and can interface with a control system so that a process can be automatically shut down. A gas detector can sound an alarm to operators in the area where the leak is occurring, giving them the opportunity to leave. This type of device is important because there are many gases that can be harmful to human life.

Gas detectors can be used to detect combustible, flammable and toxic gases, and oxygen depletion. This type of device is used widely inindustrial plants, refineries, pharmaceutical manufacturing, mills, waste-water treatment facilities, vehicles, indoor air quality testing and even in homes to detect leakage of cooking gas.

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