Step 3: Current calibration
Perform the following steps for each current range using Table 2-4 as a guide.
1. Connect the Model 2410 to the digital multimeter, as shown in Figure 2-2. Select the
multimeter DC
current measurement function.
2. From normal display, press the SOURCE I key.
3. Press the EDIT key to select the source display field, and then use the down RANGE
key to
select the 1µA source range.
4. From normal display, press MENU.
5. Select CAL, and then press ENTER. The unit will display the following:
CALIBRATION
UNLOCK EXECUTE VIEW-DATES
SAVE LOCK CHANGE-PASSWORD
6. Select EXECUTE, an
d then press ENTER. The instrument will display the following
message:
I-CAL
Press ENTER to Output +1.0000μA
7. Press ENTER. The Model 2410 will source +1µA and simultaneously display the
following:
DMM RDG: +1.000000μA
Use , , ▲, ▼, ENTER, or EXIT.
8. Note and record the DMM reading, and then adjust the Model 2410 display to agree exactly
with the actual DMM reading. Use the up and down arrow keys to select the digit value, and
use the left and right arrow keys to choose the digit position (or use the number keys, 0-9,
+/-). Note that the display adjustment range is within ±10% of the present range.
9. After adjusting the display to agree with the DMM reading, press ENTER. The
instrument will then display the following:
I-CAL
Press ENTER to Output +0.0000μA
10. Press ENTER. The Model 2410 will source 0µA and at the same time display the
following:
DMM RDG: +0.000000μA
Use , , ▲, ▼, ENTER, or EXIT.
11. Note and record the DMM reading, and then adjust the Model 2410 display to agree with
the actual DMM reading. Note that the display value adjustment limits are within ±1%
of the present range.
12. After adjusting the display value to agree with the DMM reading, press ENTER. The
unit will then display the following:
I-CAL
Press ENTER to Output -1.0000μA
13. Press ENTER. The Model 2410 will source -1µA and display the following:
DMM RDG: -1.000000μA
Use , , ▲, ▼, ENTER, or EXIT.
2-12 Calibration
2410-902-01.book Page 12 Monday, November 7, 2005 2:49 PM
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