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Hansentek Ember Detector

Hansentek Ember detection, employs advanced infra-red sensor technology to swiftly identify and alert the presence of incandescent embers on conveyors. By promptly detecting these potentially hazardous glowing embers, the system enhances industrial and environmental security, averting potential fires and ensuring operational continuity.

The 146 ember detector and 246 Infra-red Ember Detector is an ultra-sensitive optical sensor designed to detect the radiant energy emitted by burning or glowing embers being transmitted on conveyer belts. The ember detector is designed to detect a 1 sq. inch (6cm2) ember at a distance of 3 feet (1 meter). This can be done while the conveyer is traveling at up to 20 fps. (6 m/sec).

Features

  • Responsetime of 80ms
  • Adjustable sensitivity range
  • Nema 4 rated for outside use
  • Optional air-purge flange mount available

Performance

The 146/246 ember detector is sensitive only to the radiation emitted by the formation of CO2 produced by a smoldering ember and is insensitive to ambient light – even solar.

The 146 infra-red ember detector is designed to only work with the Hansentek AN104 and AN640-x control panels. The 246 infra-red ember detector is designed to be compatible with non-Hansentek panels on the market.  

These units are commonly used in on conveyers in the coal and wood industry as well as the waste and pulp/paper handling industry.

The Brand

Hansentek began in the early 1980’s as a distributor of wood grinders and other machinery for the woodworking industry. The company also distributed a Spark Detection and Extinguishing System manufactured by Firetek in the USA.

Spark Detection Systems are designed to detect sparks or embers traveling at very high speeds through pneumatic ducts and extinguish them before they reach the dust collector or baghouse, where they can do extensive damage.

Early Spark Detection Systems were very expensive, inflexible and utilized “old technology”.  Being unsatisfied with any products on the market, Hansentek undertook to design a fully programmable, micro-processor based system to offer a lower cost, totally flexible design.

With assistance from the Ontario Laser Lightwave Research Centre, the first system was introduced in 1990. This was a fully programmable system with multiple micro controllers and offered many unique and innovative features such as Sensi-Check, a through-the-lens sensitivity testing feature to allow users to ensure lenses were clean without removing them from the pneumatic ducts.

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