Keithley 6482 Reference Manual page 276

Model 6482 Dual-Channel Picoammeter / Voltage Source Reference Manual
Step 4. Channel 2 voltage source calibration adjustment
Follow the steps below to calibrate both channel 2 bias voltage ranges.
calibration ranges and voltages.
1. Connect the DMM to the Model 6482 channel 2 INPUT and OUTPUT connectors, as shown in
Figure
connector; connect the DMM INPUT LO to the inner shield of the INPUT CHANNEL 2
connector.
2. Select the DMM DC volts function, and enable autorange.
3. From normal display, press the Model 6482 SRC2 key, and then set the channel 2 voltage bias
source to the 10 V range using the RANGE
4. Press the MENU key, select CAL and press the ENTER key.
5. Select EXECUTE and press the ENTER key to enter the CAL EXECUTION menu.
6. Select V-CAL and press the ENTER key. The instrument will display the following:
V-CAL CHANNEL SELECT
CHAN-1
7. Select CHAN-2 and press the ENTER key. The instrument will prompt for +10 V calibration:
V-CAL
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
9. Note the DMM voltage reading, and 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
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
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
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
15. Note the DMM voltage reading, and 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.
18. Repeat steps 4 through 15 for the 30 V bias voltage range.
6482-901-01 Rev. A / August 2012
17-8. Connect the DMM INPUT HI to the VOLTAGE SOURCE OUTPUT CHANNEL 2
CHAN-2
2
, , , , ENTER or EXIT.
2
, , , , ENTER or EXIT.
2
, , , , ENTER or EXIT.
Return to
key.
Section Topics
Section 17: Calibration
Table 17-8 summarizes
17-21