GE PT878 user manual Enter

Chapter 8. Servicing the PT878

8.7.1 Calibrating the Analog Output (cont.)

1.Connect the digital multimeter to the analog output.

2.The next prompt asks for the setpoint (4 or 20 mA). Use the [W] and [X] arrow keys to move to the appropriate radio button and press

[ENTER].

3.The next prompt asks you to enter the actual value shown on the multimeter or ammeter.

a.Press [ENTER] to open the text box.

b.Use the numeric keys to enter the desired value.

c.Press [ENTER] to confirm your entry.

4.Repeat steps 2 and 3 for the other setpoint.

5.Press the [T] arrow key to move to the Calibrate box, and then press [ENTER] to calibrate the output.

If you are unsatisfied with the calibration, you can reset the inputs to factory defaults. Press the [X] arrow key to move to the Reset box, and then press [ENTER] to undo the calibration.

You have completed calibrating the outputs. To leave the Output window,

•Press the [S] key to return to the Output tab, and the [X] arrow key to move to the Input tab.

•Press [F2] (Cancel) to return to Operate Mode without confirming the changes.

•Press [F3] (OK) to confirm the new data. The PT878 returns to Operate Mode.

Transport® Model PT878 Portable Liquid Flowmeter User’s Manual 175