Intrinsically safe field maintenance tool

Data processing: measuring – calibrating – or testing – Measurement system – Performance or efficiency evaluation

Reexamination Certificate

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Details

C702S059000, C702S104000, C702S116000, C702S183000, C370S465000, C370S466000, C709S230000, C709S228000, C700S051000, C700S129000

Reexamination Certificate

active

06889166

ABSTRACT:
An improved intrinsically safe field maintenance tool is provided. The tool is operable with process communication loops in accordance with a plurality of process industry standard protocols. Aspects of the invention include hardware features such as an infrared port; removable memory module; and an expansion memory module. Additional aspects of the invention include protocol-specific diagnostic methods executable with the improved intrinsically safe field maintenance tool.

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