Fluke 744 Fluke 744 Users Manual - Page 85
Test Comments, Calibrating a Delta-Pressure Flow Instrument
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Test Comments The calibrator runs tasks (custom procedures) that are developed using a host computer and compatible application software. A task may display a list of proposed comments during execution. When the comment list is displayed, select a comment to be saved with the test results by pressing the u and d keys followed by e. Calibrating a Delta-Pressure Flow Instrument The procedure to calibrate a √ instrument is the same as for other instruments, as just described, with the following differences: • Source square-root is automatically enabled after the As Found calibration template is complete. Documenting Process Calibrator Calibrating a Process Instrument • Measure/Source displays are in engineering units. • The measurement percentage is automatically corrected for the transmitter's square-root response, and is used to compute instrument errors. You select the √ instrument procedure in a menu after you press the As Found softkey. 75