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Description / Abstract:
This Practice addresses combustible, oxygen, and toxic gas
detectors permanently installed for ambient air monitoring (e.g.,
leak detection, oxygen depletion). The technologies included are
catalytic bead, infrared, and electrochemical. This Practice does
not cover portable gas monitoring equipment, analyzers, or sampling
systems.
The systems used to perform data acquisition, alarming, and
control action are not covered by this Practice because the
solutions are diverse and can include stand-alone to advanced
multisystem configurations.
Purpose
This Practice provides design criteria for fixed gas detectors
installed in process areas to detect the presence of combustible,
oxygen, or toxic gases.