Calibration Procedure
4. Set OUTPUT MODE to VOLTAGE.
a. At the MAIN MENU, scroll to INSTRUMENT MODE and press ENTER to go to the
INSTRUMENT MODE MENU.
b. Scroll to OUTPUT MODE and press ENTER.
c. Select VOLTAGE and press ENTER.
d. Press ESC to return to the MAIN MENU.
5. Set MATERIAL to COPPER.
a. At the MAIN MENU, scroll to OUTPUT and press ENTER to go to the OUTPUT
MENU.
b. Scroll to MATERIAL and press ENTER.
c. Select COPPER and press ENTER.
6. Set TERMINALS to BINDING POSTS.
a. At the OUTPUT MENU, scroll to TERMINALS and press ENTER.
b. Select BINDING POSTS and press ENTER.
c. Press MENU to return to the operating screen.
7. Set the Model 1140A for +1 V dc output using the ENCODER, the ARROW KEYS, or
KEYPAD.
8. The DMM must read between +50 mA dc and +100 mA dc. Record the reading and
ensure that it is within specification.
9. Set the Model 1140A for −1 V dc output.
10. The DMM must read between −50 mA dc and −100 mA dc. Record the reading and
ensure that it is within specification.
This completes the calibration procedure.
11-9
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