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Manufacturing Facilities

No matter the industry, many manufacturing facilities use chemicals and machinery that can produce dangerous levels of toxic gases.

Some gases are apparent in their presence by their odor, but some are odorless and colorless making them hazardous to personnel when high concentrations exist.

The most common types of toxic gases found in manufacturing workplaces include ammonia, methane, hydrogen sulfide, chlorine and carbon dioxide.

While these gases are used for the betterment of society, they can be a serious threat to human and environmental health.

General Recommendations

Catalytic methane (CH4) sensors should be mounted at or near the ceiling.

  • Methane is lighter than air and will rise and pool at the highest point.

Hydrogen Sulfide (H2S) sensors should be mounted 12” AFF.

  • Hydrogen Sulfide is heavier than air and will fall to the ground.

Ammonia (NH3) sensors should be mounted at or near the ceiling.

  • Ammonia gas is lighter than air however in the presence of moisture can produce vapors heavier than air.

Chlorine (Cl2) sensors should be mounted at 12” AFF.

  • Ozone and Chlorine are heavier than air and will fall to the ground.

Carbon Dioxide (CO2) sensors should be mounted at breathing height.

Equipment Recommendations

Like many other applications that can have present a mix of commercial and industrial requirements, we offer a variety of monitor options ranging from single/dual channel units such as the AMC-1A series, to larger multi-channel units like the AMC-1400 and AMC-1800. For larger applications or facilities that require systems to integrate over BACnet our AMC-1DBx monitor can be tailored to suit.

The same challenge of identifying the most appropriate enclosures based on the application extends to the sensor/transmitters. For toxic gases such as nitrogen dioxide, carbon monoxide and hydrogen sulphide the AMC-210 series provides excellent value in a simple 2-wire 4-20 mA transmitter in either their standard PVC or explosion-proof variants. If more advanced features are required the highly configurable AMC-DTR is a good option.

For combustible gas our AMC-360 Series and AMC-CSA-CAT great value options for monitoring combustible gases. If there is a requirement for more complex features, including display, non-intrusive calibration, or local relays then the AMC-DTR would be our recommendation.

How can Armstrong Monitoring help you?

Contact Us
Armstrong Monitoring
215 Colonnade Road South
Ottawa, Ontario, Canada
K2E 7K3
Toll Free: 
1 800 465 5777
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