CALIBRATION PROCEDURE
NI 9225
3-Channel, 300 Vrms, 24-Bit, Simultaneous,
Channel-to-Channel Isolated Analog Input Module
This document contains the verification and adjustment procedures for the National Instruments
9225. For more information about calibration solutions, visit
ni.com/calibration
.
Contents
Software.................................................................................................................................... 1
Documentation.......................................................................................................................... 2
Test Equipment......................................................................................................................... 3
Test Conditions......................................................................................................................... 3
Initial Setup............................................................................................................................... 4
Verification............................................................................................................................... 4
Accuracy Verification....................................................................................................... 5
Gain Matching Verification.............................................................................................. 6
Phase Matching Verification ............................................................................................ 8
EEPROM Update ..................................................................................................................... 10
Reverification ........................................................................................................................... 10
Accuracy Under Calibration Conditions .................................................................................. 10
Where to Go for Support .......................................................................................................... 11
Software
Calibrating the NI 9225
requires the installation of NI-DAQmx 9.3 or later on the calibration
system. You can download NI-DAQmx from
ni.com/downloads
. NI-DAQmx supports
LabVIEW, LabWindows
™
/CVI
™
, ANSI C, and .NET. When you install NI-DAQmx, you only
need to install support for the application software that you intend to use.
ni.com/manuals
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