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6. Using the Upper and the Lower Display for
Calibration and Testing
6.1 Testing an Input or Indicating Device
To test and calibrate actuators, recording, and indicating devices
using the source functions, follow these steps:
1. Select the lower display and choose the correct primary
parameter.
2. Switch to [OUT] in the input/output control.
3. Connect the leads to the instrument and the calibrator as shown
in Figure 19.
Figure 19. Connections for Testing an Output Device
6.2 Calibrating an I/P Device
The following steps show how to calibrate a device that controls
pressure:
1. Select upper display from the Main Menu, and select pressure
from the primary parameters.
2. Switch to lower display from the Main Menu, and select current
source [mA out] from the primary parameters.
3. Connect the calibrator to the device as shown in Figure 20. The
calibrator will simulate the transmitter current and measure the
output pressure.
4. Enter a current using the keypad.
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