CALIBRATION PROCEDURE
NI 9229/9239
4-Channel, ±60 V/±10 V, 24-Bit Simultaneous, Channel-to-Channel
Isolated Analog Input Modules
This document contains the verification and adjustment procedures for the National
Instruments 9229/9239. For more information about calibration solutions, visit
ni.com/
calibration
.
Contents
Software.................................................................................................................................... 1
Documentation.......................................................................................................................... 2
Test Equipment......................................................................................................................... 3
Test Conditions......................................................................................................................... 3
Initial Setup............................................................................................................................... 3
Verification............................................................................................................................... 4
Accuracy Verification....................................................................................................... 4
Gain Matching Verification.............................................................................................. 6
Phase Matching Verification ............................................................................................ 7
EEPROM Update ..................................................................................................................... 10
Reverification ........................................................................................................................... 10
Accuracy Under Calibration Conditions .................................................................................. 10
Worldwide Support and Services ............................................................................................. 11
Software
Calibrating the NI 9229/9239 requires the installation of NI-DAQmx 9.5 or later on the
calibration system. You can download NI-DAQmx from
ni.com/downloads
. NI-DAQmx
supports LabVIEW, LabWindows
™
/CVI
™
, ANSI C, Microsoft Visual C++, Microsoft Visual
Basic .NET, and Microsoft Visual C#. When you install NI-DAQmx you only need to install
support for the application software that you intend to use.
