Fluke 726 FE 726 Users Manual - Page 55

Calibrating a Transmitter, M

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Calibrating a Transmitter Use the measurement (upper display) and source (lower display) modes to calibrate a transmitter. This section applies to all but pressure transmitters. The following example shows how to calibrate a temperature transmitter. Use the following steps to calibrate a transmitter: 1. Connect the Calibrator to the instrument under test as shown in Figure 20. 2. Press l for current (upper display). If required, press l again to activate loop power. 3. Press T (lower display). If desired, continue pressing this key to select the desired thermocouple type. Multifunction Process Calibrator Calibrating a Transmitter M 4. If necessary, press for SOURCE mode. 5. Set the zero and span parameters by pressing X and W. Enter these parameters by pressing and holding J and G. For more information on setting parameters, see "Setting 0 % and 100 % Output Parameters". 6. Perform test checks at 0-25-50-75-100 % points by pressing H or I. Adjust the transmitter as necessary. Note When HART resistor mode is selected, the 250 Ω resistor is turned on both mA channels. 45

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Multifunction Process Calibrator
Calibrating a Transmitter
45
Calibrating a Transmitter
Use the measurement (upper display) and source (lower
display) modes to calibrate a transmitter. This section
applies to all but pressure transmitters. The following
example shows how to calibrate a temperature
transmitter. Use the following steps to calibrate a
transmitter:
1.
Connect the Calibrator to the instrument under test
as shown in Figure 20.
2.
Press
l
for current (upper display). If required,
press
l
again to activate loop power.
3.
Press
T
(lower display). If desired, continue
pressing this key to select the desired thermocouple
type.
4.
If necessary, press
M
for SOURCE mode.
5.
Set the zero and span parameters by pressing
X
and
W
. Enter these parameters by pressing and
holding
J
and
G
. For more information on
setting parameters, see “Setting 0 % and 100 %
Output Parameters”.
6.
Perform test checks at 0-25-50-75-100 % points by
pressing
H
or
I
. Adjust the transmitter as
necessary.
Note
When HART resistor mode is selected, the
250
Ω
resistor is turned on both mA channels.