National Instruments 9230 Calibration Procedure
National Instruments 9230 Calibration Procedure

National Instruments 9230 Calibration Procedure

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CALIBRATION PROCEDURE
NI 9230/9232
This document contains the verification and adjustment procedures for the NI 9230 and NI 9232.
For more information on calibration, visit
Contents
Software.................................................................................................................................... 1
Documentation.......................................................................................................................... 2
Test Equipment......................................................................................................................... 3
Test Conditions......................................................................................................................... 3
Initial Setup............................................................................................................................... 3
Verification ............................................................................................................................... 4
Accuracy Verification....................................................................................................... 4
Adjustment................................................................................................................................ 5
Accuracy Adjustment ....................................................................................................... 5
EEPROM Update ..................................................................................................................... 6
Reverification ........................................................................................................................... 6
Accuracy Under Calibration Conditions .................................................................................. 6
Worldwide Support and Services ............................................................................................. 7
Software
Calibrating the NI 9230/9232 requires the installation of NI-DAQmx on the calibration system.
Table 1 shows the necessary versions for each connector variation.
Table 1. Calibration System Software Requirements
Connector Variation
Screw-Terminal
You can download NI-DAQmx from
LabWindows
/CVI
only need to install support for the application software that you intend to use.
BNC
ni.com/downloads
, C/C++, C#, and Visual Basic .NET. When you install NI-DAQmx you
ni.com/calibration
Version Requirements
NI-DAQmx 14.5 or later
NI-DAQmx 15.5 or later
. NI-DAQmx supports LabVIEW,
.

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Summary of Contents for National Instruments 9230

  • Page 1 CALIBRATION PROCEDURE NI 9230/9232 This document contains the verification and adjustment procedures for the NI 9230 and NI 9232. For more information on calibration, visit ni.com/calibration Contents Software............................ 1 Documentation.......................... 2 Test Equipment......................... 3 Test Conditions......................... 3 Initial Setup..........................3 Verification ..........................
  • Page 2 Documentation Consult the following documents for information about the NI 9230/9232, NI-DAQmx, and your application software. All documents are available on and help files install with the ni.com software. NI cDAQ-9174/9178 USB Chassis Quick Start NI-DAQmx installation and hardware setup...
  • Page 3 • Keep relative humidity below 80%. • Allow a warm-up time of at least 10 minutes to ensure that the NI 9230/9232 measurement circuitry is at a stable operating temperature. Initial Setup Complete the following steps to set up the NI 9230/9232.
  • Page 4 Set the calibrator voltage to a Test Point value indicated in Table 5. Set the calibrator to Operate mode (OPR). Acquire and average samples of each channel. Create and configure an AI voltage task on the NI 9230/9232 according to Table 3. Table 3. NI 9230/9232 Configuration for Accuracy Verification Physical...
  • Page 5 NI 9230/9232. Accuracy Adjustment Complete the following procedure to adjust the accuracy performance of the NI 9230/9232. Set the calibrator to Standby mode (STBY). Connect the NI 9230/9232 to the calibrator as shown in Figure 1.
  • Page 6 Call the NI 9230/9232 DAQmx Get C Series Calibration Adjustment Points function to obtain an array of recommended calibration voltages for the NI 9230/9232. Set the calibrator to a reference value determined by the array of recommended calibration voltages. Set the calibrator to Operate mode (OPR).
  • 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. NI MAKES NO EXPRESS OR IMPLIED WARRANTIES AS TO THE ACCURACY OF THE INFORMATION CONTAINED HEREIN AND SHALL NOT BE LIABLE FOR ANY ERRORS.

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9232

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