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National Instruments 9211 Calibration Procedure
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National Instruments 9211 Calibration Procedure

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CALIBRATION PROCEDURE
NI 9211
This document contains the verification and adjustment procedures for the National Instruments
9211. For more information about calibration solutions, visit
Contents
Software.................................................................................................................................... 1
Documentation.......................................................................................................................... 2
Test Equipment......................................................................................................................... 2
Test Conditions......................................................................................................................... 3
Initial Setup............................................................................................................................... 3
Verification ............................................................................................................................... 3
Accuracy Verification....................................................................................................... 4
Adjustment................................................................................................................................ 5
Accuracy Adjustment ....................................................................................................... 5
EEPROM Update ..................................................................................................................... 6
Re-Verification ......................................................................................................................... 6
Accuracy Under Calibration Conditions .................................................................................. 6
Where to Go for Support .......................................................................................................... 7

Software

Calibrating the NI 9211 requires the installation of NI-DAQmx 9.2 or later on the calibration
system. You can download NI-DAQmx from
LabVIEW, LabWindows
to install support for the application software that you intend to use.
™
/CVI
™
, C++, and .NET. When you install NI-DAQmx, you only need
ni.com/calibration
ni.com/downloads
.
. NI-DAQmx supports

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Summary of Contents for National Instruments 9211

  • Page 1: Table Of Contents

    Re-Verification ......................... 6 Accuracy Under Calibration Conditions .................. 6 Where to Go for Support ......................7 Software Calibrating the NI 9211 requires the installation of NI-DAQmx 9.2 or later on the calibration system. You can download NI-DAQmx from . NI-DAQmx supports ni.com/downloads LabVIEW, LabWindows ™...

  • Page 2: Documentation

    Documentation Consult the following documents for information about the NI 9211, 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 9211 Operating Instructions and Specifications...

  • Page 3: Test Conditions

    The following setup and environmental conditions are required to ensure the NI 9211 meets published specifications. • Keep connections to the NI 9211 as short as possible. Long cables and wires act as antennae, picking up extra noise that can affect measurements. •...

  • Page 4: Accuracy Verification

    Accuracy Verification Complete the following procedure to determine the As-Found status of the NI 9211. Set the calibrator to Standby mode (STBY). Connect the NI 9211 to the calibrator as shown in Figure 1. Figure 1. Accuracy Verification Connections TC0+ TC0–...

  • Page 5: Adjustment

    The following performance adjustment procedure describes the sequence of operation required to adjust the NI 9211. Accuracy Adjustment Complete the following procedure to adjust the accuracy performance of the NI 9211. Set the calibrator to Standby mode (STBY). Connect the NI 9211 to the calibrator as shown in Figure 1.

  • Page 6: Eeprom Update

    EEPROM Update When an adjustment procedure is completed, the NI 9211 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: Where To Go For Support

    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. © 2006–2013 National Instruments. All rights reserved.