Calibration 2-7
Viewing calibration dates and calibration count
When calibration is locked, only the UNLOCK and VIEW-DATES selections will be acces-
sible in the calibration menu. To view calibration dates and calibration count at any time:
1.
From normal display, press MENU, select CAL, and then press ENTER. The unit will
display the following:
CALIBRATION
UNLOCK EXECUTE VIEW-DATES
©
2.
Select VIEW-DATES, then press ENTER. The Model 2430 will display the next and
last calibration dates and the calibration count as in the following example:
NEXT CAL: 12/15/1999
Last calibration: 12/15/1999 Count: 0001
Calibration errors
The Model 2430 checks for errors after each calibration step, minimizing the possibility that
improper calibration may occur due to operator error.
Front panel error reporting
If an error is detected during comprehensive calibration, the instrument will display an ap-
propriate error message (see Appendix B). The unit will then prompt you to repeat the calibra-
tion step that caused the error.
Remote error reporting
You can detect errors while in remote by testing the state of EAV (Error Available) bit (bit 2)
in the status byte. (Use the *STB? query to request the status byte.) Query the instrument for the
type of error by using the appropriate :SYST:ERR? query. The Model 2430 will respond with the
error number and a text message describing the nature of the error. See Appendix B for details.
Front panel calibration
The following front panel calibration procedure calibrates all ranges of both the current and
voltage source and measure functions. Note that each range is separately calibrated by repeating
the entire procedure for each range.
Step 1: Prepare the Model 2430 for calibration
1.
Turn on the Model 2430 and the digital multimeter, and allow them to warm up for at
least one hour before performing calibration.
Summary of Contents for SourceMeter 2430
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