User`s guide

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