User manual

16 U2300A Series DAQ Service Guide
2 Calibration
Introduction
Prior to checking the performace of the instrument, ensure
that you have all the equipments listed in the following to
perform the verification procedure for analog input and
analog output.
Equipment Checklist
✔ Agilent U2300A Series USB Multifunction DAQ devices
✔ Agilent Digital Multimeter (DMM) 34401A/34410A
✔ Fluke Calibrator 5520A/5720A
✔ Computer with Agilent IO Library Suites installed
✔ U2901A Terminal Block
✔ USB Mini- B Cable
✔ U2901A SCSI Cable
Follow the following steps to ensure the instrument gives
accurate analog input readings and analog outputs.
1 Perform the self- calibration procedure. See
“Self- Calibration”.
2 Perform the performance verification procedure. See
“Performance Verification Procedure”, “Analog Input
Connection” for information on analog input connection
and “Analog Output Connection” for information on
analog output connection.
3 If the instrument gives accurate readings or accurate
outputs, adjustment procedure is not necessary. If the
instrument does not give accurate readings or accurate
outputs, perform the adjustment procedure. See
“Adjustment Procedures”.
4 After perform the adjustment procedure, repeat the
self- calibration procedure and then perform the
verification procedure.
5 If the instrument still does not give accurate readings or
accurate outputs, repeat step 3 and step 4.