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CALIBRATION PROCEDURE
NI 9269
This document contains the verification and adjustment procedures for the
National Instruments 9269. For more information about calibration solutions, visit
.
calibration
Contents
Software.................................................................................................................................... 1
Documentation.......................................................................................................................... 2
Test Equipment......................................................................................................................... 2
Test Conditions......................................................................................................................... 3
Initial Setup............................................................................................................................... 3
Verification............................................................................................................................... 3
Accuracy Verification....................................................................................................... 3
Adjustment................................................................................................................................ 5
Accuracy Adjustment ....................................................................................................... 5
EEPROM Update ..................................................................................................................... 6
Reverification ........................................................................................................................... 6
Accuracy Under Calibration Conditions .................................................................................. 6
Where to Go for Support .......................................................................................................... 7
Software
Calibrating the NI 9269 requires the installation of NI-DAQmx 9.6 or later on the calibration
system. You can download NI-DAQmx from
LabVIEW, LabWindows
need to install support for the application software that you intend to use.
™
™
/CVI
, ANSI C, and .NET. When you install NI-DAQmx, you only
ni.com/downloads
ni.com/
. NI-DAQmx supports
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Summary of Contents for National Instruments 9269
- Page 1 Reverification ........................... 6 Accuracy Under Calibration Conditions .................. 6 Where to Go for Support ......................7 Software Calibrating the NI 9269 requires the installation of NI-DAQmx 9.6 or later on the calibration system. You can download NI-DAQmx from . NI-DAQmx supports ni.com/downloads ™...
- Page 2 Documentation Consult the following documents for information about the NI 9269, NI-DAQmx, and your application software. All documents are available on and help files install with the ni.com software. NI cDAQ-9174/9178 Quick Start NI-DAQmx installation and hardware setup NI 9269 Operating Instructions and Specifications...
- Page 3 Use shielded copper wire for all cable connections to the NI 9269. Use twisted-pair wire to eliminate noise and thermal offsets. • Maintain an ambient temperature of 23 °C ± 5 °C. The NI 9269 temperature will be greater than the ambient temperature. •...
- Page 4 AOx+ AOx– NI 9269 Set the DMM to read DC voltage in the minimum range required to cover the NI 9269 output range of ±10 V. Acquire a sample. Create and configure an AO voltage channel according to Table 2.
- Page 5 NI 9269. Connect the DMM to the NI 9269 as shown in Figure 1. Set the DMM to read DC voltage in the minimum range required to cover the NI 9269 output range of ±10 V.
- Page 6 EEPROM Update When an adjustment procedure is completed, the NI 9269 internal calibration memory (EEPROM) is immediately updated. If you do not want to perform an adjustment, you can update the calibration date and onboard calibration temperature without making any adjustments by initializing an external calibration, setting the C Series calibration temperature, and closing the external calibration.
- Page 7 NI product. Refer to the Export Compliance Information at ni.com/legal/export-compliance for the National Instruments global trade compliance policy and how to obtain relevant HTS codes, ECCNs, and other import/export data. © 2013 National Instruments. All rights reserved.
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