User`s guide

Calibration •65
6
Calibration
In data acquisition process, how to calibrate the measurement devices to
maintain its accuracy is very important. Users can calibrate the analog
input and analog output channels under the users' operating environment
for optimizing the accuracy. This chapter will guide you to calibrate your
PCI-9111 to an accuracy condition.
6.1 What do you need
Before calibrating your PCI-9111 card, you should prepare some
equipment’s for the calibration:
• Calibration program: Once the program is executed, it will
guide you to do the calibration. This program is included in
the delivered package.
• A 5 1/2 digit multimeter ( 6 1/2 is recommended)
• A voltage calibrator or a very stable and noise free DC
voltage generator.