User`s guide

Calibration • 51
6
Calibration
In data acquisition process, how to calibrate your 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 ACL-8111 to an accuracy
condition.
Note: Your ACL-8111 board has been carefully calibrated in the factory
before it is shipped to you.
6.1 What do you need
Before calibrating your ACL-8111 card, you should prepare some
equipment for the calibration:
1. Calibration program: once the program is executed, it will guide
you to do the calibration. This program is included in the delivered
package.
2. One 5 1/2 digit multi-meter (6 1/2 digital multi-meter is
recommended)
3. A voltage calibrator or very stable and noise free DC voltage
generator.