Simulating A 4 To 20 Ma Transmitter - Fluke 744 User Manual

744
Users Manual

Simulating a 4 to 20 mA Transmitter

You can configure the calibrator as a load on a
current loop through the SOURCE mA function.
When you press the
display prompts you to select
. When you
Transmitter Source mA
sourcing current, and when you
the calibrator is sourcing a variable resistance to
regulate current to the specified value. Connect an
external loop supply to the positive (top) mA jack as
shown in Figure 17.
Also see "Transmitter Mode," in which the
calibrator can be set up to temporarily take
the place of a two-wire process transmitter.
48
key in SOURCE mode, the
or
Source mA Simulate
the calibrator is
Simulate Transmitter
Note