Bump testing a gas sensor involves flowing a concentration of gas that is slightly higher than the Low alarm setpoint of the gas detector for a short period of time (1-2 minutes or less). The purpose of a bump test is to confirm that the sensor responds to the presence of gas, the low alarm will activate and the gas detector overall is operating appropriately. The bump test is used

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 Ammonia has a very powerful, distinctive smell. It is dangerous to inhale Ammonia.



This document is for informational purposes only. No duty or undertaking is intended or assumed by CETCI.

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WHERE MIGHT HAZARDOUS LEVELS OF AMMONIA OCCUR?
Ice rinks                                                    Chiller rooms
Cold storage units                         

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For many refrigeration applications, using solid state sensors will provide an economical and reliable gas detection solution. Solid state sensors are reliable if used in a clean area with very little temperature and humidity changes. Solid State refrigerant sensors should not be used where there are other chemicals or gases present (other than refrigerants), such as alcohol based cleaners,...

At Critical Environment Technologies Canada Inc, (CETCI), we strive to be innovative, cutting edge and creative in our endeavors to fulfill our customers’ needs. Our latest testament to this is our newly designed calibration clip (or 'Cal Clip’ as it is called for short). It has been an exciting few months as we have gone through different designs, prototypes, various types of plastics and

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With the recent legalization of marijuana in many North American regions, the cannabis cultivation industry is booming. Greenhouses and other indoor grow rooms provide a structure for growing plants in a controlled environment but can also pose potential hazards to human health. To create favourable growing conditions, reliable heating, cooling and ventilation must be used. Heating may be

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Delta, British Columbia, Canada – Critical Environment Technologies Canada Inc. (CETCI) is pleased to announce the release of our FCS Flexible Control System. The FCS replaces the PDC, offering dramatic technological and functional improvements over its predecessor.

The FCS Flexible Control System is a sophisticated, high performance Controller that offers up to 128 gas...

Delta, British Columbia, Canada – Critical Environment Technologies Canada Inc. (CETCI) is pleased to tell you about the DCC-MRI Oxygen Monitoring System for MRI room applications in hospitals and clinics. The DCC-MRI replaces our GEM-MRI, offering technological and functional improvements over its predecessor.

Magnetic Resonance Imaging equipment is cooled by compressed gas....