Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 1, 2009
Patent Application Number
11553074
Date Filed
October 26, 2006
Patent Primary Examiner
Patent abstract
A portable detector is described for monitoring a gas in an atmosphere. The detector comprises a housing, at least one gas sensor carried by the housing, and electrical connectors carried by the housing for establishing electrical connections to a calibration apparatus and a microprocessor carried by the housing. The microprocessor controls the calibration apparatus via signals provided to microprocessor through the connectors to initiate the supply of calibration gas to the detector at a predetermined rate.
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