709/709H
Calibration Manual
8
DC Current Source Mode
To verify the performance of the dc current source function:
1. Turn the Product on. The Product shows 4.000 mA on the display.
If it does not show 4.000 mA:
A. Push .
B. Select mA Source with the rotary knob.
• Push the rotary knob. If 4.000 mA is flashing, go to step 3.
• If the display shows 0.000 mA:
i. Push .
ii. Turn the rotary knob to select Calibrator Setup Menu.
iii. Push the rotary knob.
iv. Select any other necessary parameters and then push the rotary knob.
v. Select mA Span.
vi. Push the rotary knob.
vii. Select 4 to 20 mA.
viii. Push the rotary knob and the Product should flash 4.000 mA.
2. Connect the Product:
A. Connect the Product + terminal to the Digital Multimeter (DMM) I input.
B. Connect the COM terminal to the DMM LO input. See Figure 2.
8508A
2x
2x
12.000 mA
24.000 mA
hid013.eps
Figure 2. DC Current Source Mode
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