Fluke 709 - In Circuit, Product Loop Power

Precision Loop Calibrator
HART Device Communication
25
In Circuit, Product Loop Power
In mA Measure with 24V mode, the Product is in circuit
and loop power is supplied by the Product. In Figure 21,
the 250 Ω HART resistor is enabled. If the loop already
has 250 Ω, do not enable the HART resistor.
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Figure 21. In Circuit, 709H Loop Power