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Parker Balston Compressed Air Microbial Test Unit (CAMTU)

Balston CAMTU Whitepaper PDF
CAMTU Bulletin Antimicrobial PDF

The CAMTU provides a quick, effective, cost efficient method of identifying potential sources of contamination. At high risk food contact points where contamination is detected Parker Balston Sterile Air Filters can be used to protect the processes.


Compressed air is used in a broad range of applications in the food processing industry, such as mixing of ingredients, cutting, sparging, drying of product, transporting/propelling product through processing systems and packaging of final product.
In many of these applications, compressed air is in direct contact or indirect contact with food product. The impurities in the compressed air may contaminate the food product which can result in change of colour and taste, reduced shelf life, in addition to exposure to bacteria and other micro-organisms, can result in product recalls. Compressed air is warm, dark and contains moisture which is the ideal environment to promote the production of microbes. These microbes migrate through the entire compressed air system and are released at exit points, critical areas that food, packaging or surface areas come in direct contact.
Safe Quality Foods (SQF) released a 7th edition amendment in sections 10.5.7 and 11.7.5 stating, compressed air used in the manufacturing process shall be clean and present no risk to food safety. Others have also identified compressed air as a source of contamination and risk to food safety.

Features and Benefits:
Lightweight and ergonomically designed for ease of use
Constructed of durable polypropylene – easily sanitized
Pre-filled petri dishes with specialized tryptic soy agar designed to hold up to compressed air flow/pressure
No electrical supply required
No refrigeration required for the petri dishes – 300 day shelf life
Quick sampling time – 20 seconds
Complete kit with connection tubing, pressure regulator/metering orifice, shut off valve, timer and petri dishes

Additional information


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