Alarms, Environmental Emergency, Oxygen Depletion

Definition : Environmental emergency alarms designed to activate audible (i.e., sound) and/or visual warnings when oxygen concentration in a closed environment is below its normal (about 21%) atmospheric value (i.e., oxygen depletion). These devices typically consist of a sensor for continuous assessment of oxygen concentration, electronic circuits to amplify the signal, and visual displays and/or audible warnings that usually initiate an alarm when the concentration of oxygen is between 18% and 19%. Oxygen depletion environmental emergency alarms are intended mainly for use in closed rooms where other gases are manipulated, such as clinical laboratories that perform procedures involving carbon dioxide and/or liquid nitrogen for cryopreservation. Alarms intended to be fixed in a particular room providing only emergency signals locally and alarm systems intended for a complete facility that may also include remote alarms (e.g., police and/or fire stations) are available. These alarms are usually fixed permanently on the walls.

Entry Terms : "Environmental Emergency Alarms, Oxygen Depletion" , "Oxygen Depletion Alarms" , "Alarms, Oxygen Depletion"

UMDC code : 26614

U.S.companies only
Suppress Subsidiary Companies

1-4 of 4 Match(es).

American Gas & Chemical Co Ltd

Company Type: Parent

we have been engaged in the engineering, formulation, manufacture and distribution of products which make life easier for industry. We specialize in leak detection, gas monitoring, safety and products to ensure metal integrity

CEA Instruments Inc

Company Type: Parent

CEA Instruments, a leading supplier of hazardous gas detection instrumentation since 1972, has units available for monitoring over 200 different toxic gases, combustible gases, and oxygen in pocket size as well as single and multichannel portable and fixed systems.


Company Type: Parent

ENMET Corporation, an independent company founded in 1970, manufactures oxygen monitors, toxic and combustible gas detectors and related equipment. Products range from compressed air line monitors to portable detectors and continuous multi-channel fixed systems for a wide variety of hazardous gas conditions.

Pacific Science Inc

Company Type: Parent

1-4 of 4 Match(es).


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