Keithley 6482 - Page 274

6482-901-01 Rev. A / August 2012 Return to Section Topics 17-19
Model 6482 Dual-Channel Picoammeter / Voltage Source Reference Manual Section 17: Calibration
1. Connect the DMM to the Model 6482 channel 1 INPUT and OUTPUT connectors, as shown in
Figure 17-7. Connect the DMM INPUT HI to the VOLTAGE SOURCE OUTPUT CHANNEL 1
connector; connect DMM INPUT LO to the inner shield of the INPUT CHANNEL 1 connector.
2. Select the DMM DC volts function, and then enable autorange.
3. From the normal display, press the Model 6482 SRC1 key, then set the channel 1 voltage bias
source to the 10 V range using the RANGE 
key.
4. Press the MENU key, select CAL, and then press the ENTER key.
5. Select EXECUTE, and then press the ENTER key to enter the CAL EXECUTION menu.
6. Select V-CAL and then press the ENTER key. The instrument will display the following:
V-CAL CHANNEL SELECT
CHAN-1 CHAN-2
7. Select CHAN-1 and press the ENTER key. The instrument will prompt for +10 V calibration:
V-CAL
1
Press ENTER to Output +10.000 V
8. Press the ENTER key. The instrument will display the following message:
DMM RDG: 10.0000 V
Use , , , , ENTER or EXIT.
9. Note the DMM voltage reading, then use the EDIT keys to adjust the Model 6482 display value
to match the noted reading.
10. Press the ENTER key. The instrument will prompt for the 0 V calibration point:
V-CAL
1
Press ENTER to Output 00.000 V
11. Press the ENTER key. The instrument will display the following message:
DMM RDG: 00.00000 V
Use , , , , ENTER or EXIT.
12. Note the DMM voltage reading, and then use the EDIT keys to adjust the Model 6482 display
value to match the noted reading.
13. Press the ENTER key. The instrument will display the prompt for the -10 V calibration point:
V-CAL
1
Press ENTER to Output -10.000 V
14. Press the ENTER key. The instrument will display the following message:
DMM RDG: -10.00000 V
Use , , , , ENTER or EXIT.
15. Note the DMM voltage reading, then use the EDIT keys to adjust the Model 6482 display value
to match the noted reading and press the ENTER key.
16. Press the EXIT key to return to normal display.
17. Using the appropriate RANGE key select the 30 V bias voltage range.