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Early fire detection technology with infrared detection

Early fire detection with IGNIS3D measures the surface temperature of the property being monitored so it can detect the increase of heat long before a critical temperature is reached.

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Early fire detection based on this principle has crucial
system advantages over all other detector technologies:

Visualisation of the temperature increase

Invisible LWIR radiation is made visible by using calibrated microbolometer technology. Each radiation value has a temperature value and a colour associated with it. In this way, the surface temperature distribution becomes visible and can be captured with a view to its immediate assessment.

Non-contact measurement over long distances

LWIR thermal image-based early fire detection can be used over several hundred meters. Every pixel of the sensor corresponds to a temperature of the observed image. Using this information, the unit can be used to identify potential sources of fire and fire prevention measures.

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‘Clear view’ in smoke and haze

In the wavelength range of LWIR radiation of 8-12μm, in many situations where there is smoke or haze, aerosols are transparent. In contrast to normal surveillance cameras or the human eye, which have much shorter wavelengths, an LWIR camera can ‘see through smoke’, so to speak. This technology provides valuable support for firefighters in case of fire.

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Sensitive measurements in all temperature ranges

The LWIR wavelength range offers ideal conditions for temperature sensitive measurements. The measurements can start at temperatures below -20°C or extend far beyond 1000°C. The sensor used can pinpoint the temperature to <1K. Regardless of the ambient temperature, such excessive temperatures can be precisely determined. These are ideal conditions for the prevention or early detection of fires.

Embers (Hot Spot) detection and localisation

When the freely definable alarm thresholds are exceeded, the affected areas are flagged. Alarm conditions and their location within the monitoring range are then recognisable at a glance. If the hotspot is beneath the surface, the measured temperature on the surface is still well below the critical temperature when the embers have already reached the critical temperature. Therefore, it is important to be able to measure far below the critical temperature, as is possible with LWIR.

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