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Martel Electronics DMC1400 User Manual

Page 31

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4.

Connect the calibrator to the transmitter as shown in Figure 21.

5.

Test transmitter at 0- 25- 50- 75- 100 % using the 25 % step
function (25% key).

Adjust the transmitter a necessary.

To calibrate a different transmitter, follow the above steps with the
exception of choosing TC on the lower display. Replace TC with the
correct parameter for the transmitter.

Figure 21. Calibrating a Transmitter

6.4 Calibrating a Pressure Transmitter

To calibrate a pressure transmitter, use these steps:

1.

Select upper display from the Main Menu, and choose current
[mA LOOP] from the primary parameters. Return to Main Menu.

2.

Select lower display, and choose [PRESSURE] from the primary
parameters.

3.

Connect the calibrator to the transmitter and the pressure
module as in Figure 22.

4.

Zero the pressure module.

5.

Test the transmitter at 0 % and 100 % of the span, and adjust as
necessary.

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