Fluke 709 - HART 250Ω Resistor; Ma Span

709/709H
Users Manual
20
HART 250 Ω Resistor
The HART 250Ω Resistor Enable function turns on and
turns off the HART resistor. See the “HART Resistor”
section of this manual. See Figure 14.
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Figure 14. HART Resistor Enable Screen
The Product can insert a 250 Ω resistor in series with the
power supply in order to use a HART communicator. The
HART resistor is enabled through the menu.
To get to the second Calibrator Setup Screen, highlight
Other Parameters and push the selection knob.
mA Span
mA Span is the first item on the second Calibrator Setup
Menu.
The mA Span function sets the step interval for the mA
Auto Step feature. The value can be set from 5 seconds
to 300 seconds. See the “Step and Ramp Operation”
section of this manual. See Figure 15.
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Figure 15. mA Span Selection Screen