Keithley SourceMeter 2425, Service Manual, Page: 129 / 141

C-2 Calibration Programs Model 2425 Service Manual
Introduction
This appendix includes a calibration program written in BASIC to help you calibrate the
Model 2425, as well as an example program that demonstrates how to request calibration
constants. Refer to Section 2 for more details on calibration procedures, equipment, and
connections. Appendix B covers calibration commands in detail.
Computer hardware requirements
The following computer hardware is required to run the calibration programs:
• IBM PC compatible computer.
• Keithley KPC-488.2, KPS-488.2, or KPC-488.2AT, or CEC PC-488 IEEE-488
interface for the computer.
• Two shielded IEEE-488 connecting cables (Keithley Model 7007).
Software requirements
In order to use the calibration programs, you will need the following computer software:
• Microsoft QBasic (supplied with MS-DOS 5.0 or later).
• MS-DOS version 5.0 or later.
• HP-style Universal Language Driver, CECHP.EXE (supplied with Keithley and
CEC interface cards listed above).
Calibration equipment
The following calibration equipment is required:
• Hewlett-Packard HP3458A Digital Multimeter
• 1
Ω
, ±0.1%, 100W resistor
See Section 2 for detailed equipment specifications.