Description: Using a Fluke model 744 Documenting Process Calibrator to simulate a 3-wire RTD (resistance) signal for a Rosemount model 3144 temperature transmitter.
RTD transmitter calibration using Fluke 744 - Download MP3 music or MP4 video:
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The Fluke model 744 calibrator is "smart" enough to "outsmart" the reference-compensation function built inside the Roesmount temperature transmitter. This is necessary during calibration because there is no reference junction in the circuit to be compensated for. The transmitter's compensation feature, therefore, only "gets in the way" of the calibration. Thus, the Fluke calibrator is designed to subtract the reference junction (compensation) voltage from its output so that the transmitter sees the same millivoltage it would see if connected to an actual thermocouple at the actual calibration temperature. Clear as mud, no?
Like this review? Get more information about testing a RTD transmitter with a Fluke 754 Document Process Calibrator here: shout.lt Watch this video to learn how to calibrate an RTD transmitter with the Fluke Documenting Process Calibrator (DPC). Go step-by-step with a Fluke professional and see a demonstration of the Fluke 754. Get help successfully running and troubleshooting your Fluke 754. Find Fluke test instruments at Grainger.
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