Recommended calibration equipment
Table 2-1 lists the recommended equipment for the calibration procedures. You can use
alternate equipment as long as that equipment has specifications at least as good as those listed
in the table. Where possible, test equipment specifications should be at least four times better
than corresponding Model 2410 specifications.
* 90-day, full-scale accuracy specifications of ranges required for various measurement points.
Unlocking calibration
Before performing calibration, you must first unlock calibration by entering or sending the
calibration password as discussed below:
Unlocking calibration from the front panel
1. Press the MENU key, then choose CAL and press ENTER. The instrument will display
the following:
CALIBRATION
UNLOCK EXECUTE VIEW-DATES
SAVE LOCK CHANGE-PASSWORD
2. Select UNLOCK, and then press ENTER. The instrument will display the following:
PASSWORD:
Use , , ▲, ▼, ENTER, or EXIT.
3. Use the up and down RANGE keys to select the letter or number and use the left and
right arrow keys to choose the position. (Press down RANGE for letters; up RANGE for
numbers.) Enter the present password on the display. (Front panel default: 002410.)
Table 2-1
Recommended calibration equipment
Description
Manufacturer/
Model
Accura
cy*
Digital Multimeter Hewlett Packard
HP3458A
DC voltage
DC current
1V:
10V:
100V:
1000V:
1µA:
10µA:
100µA:
1mA:
100mA:
1A:
±5.6ppm
±4.3ppm
±6.3ppm
±6.1ppm
±55ppm
±25ppm
±23ppm
±20ppm
±35ppm
±110ppm
Calibration 2-5
2410-902-01.book Page 5 Monday, November 7, 2005 2:49 PM
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