TeraHertz imaging scanners for food inspection

TeraSense presents a range of imaging scanners designed for inspection
applications, primarily in the food and agricultural industries. Available in
Australia from Scitech, the new TeraHertz (THz) imaging scanners by TeraSense use
imaging sensors for non-destructive analysis of the internal structure of
objects, making them ideal for food inspection, agricultural
inspection and detecting the contents of packages. Results from THz imaging are
far superior to infrared, visual, and X-ray inspection methods.

For instance, food manufacturers can use a TeraHertz food scanner to
check if a pick-and-place robotic arm has put all candy bars into a cardboard
carton. These imagers can see through cardboard or PE packaging and are
considered ideal for individual chocolate bars, which can be wrapped in any
material, even metal-containing foil, which is impervious to THz rays.

TeraHertz imagers can also be used to check noodle packs for the
mandatory seasoning sachet in every pack. Noodle containers are usually made of
plastic or synthetic foam (polyfoam), which is transparent to THz waves. The
THz food scanner can quickly prompt the conveyor-line operator and indicate if
a sachet is missing.

The presence of insects and other foreign objects in food can damage
consumer trust as well as the brand in the market. THz imaging systems can
easily detect a common housefly through several polyethylene bags, even if
total thickness of such PET coating exceeds 20mm. Even metal or plastic debris can
be detected inside food packaging with the THz imaging scanners.

TeraSense imaging systems reveal carcinogenic Mycotoxin fungus that
contaminates peanuts, corn, hazelnuts, and other grain crops and oil plants. For
instance, with the aid of THz imagers, industrial customers can detect any sign
of infection such as Aspergillus flavus and Aspergillus parasiticus, which
exude the extremely dangerous carcinogen Aflatoxins B1.

For more information, please visit the Scitech
website www.scitech.com.au or call (03) 9480 4999.

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