Instrinsically safe field maintenance tool with removable battery pack
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- FISHER-ROSEMOUNT SYST INC
- Publication Date
- 2005-05-25
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Abstract
Description
technical field
[0001] The present invention relates to an intrinsically safe field maintenance tool with a removable battery pack. Background technique
[0002] Intrinsically safe field maintenance tools are known. Such tools are particularly useful in the process control and measurement industries to allow operators to conveniently communicate with and / or interrogate field devices in a given process installation. Examples of such process installations include: petroleum, pharmaceutical, chemical, pulp and other process installations. In such installations, process control and measurement networks may include dozens or even hundreds of various field devices that periodically require maintenance to ensure proper operation of such devices and / or to calibration. Furthermore, when one or more faults in a process control and measurement installation are detected, the use of an intrinsically safe handheld field maintenance tool enables a technician to quickly diagnose such fau...