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CALIBRATION PROCEDURE
NI 9203
This document contains the verification and adjustment procedures for the NI 9203. Refer to
ni.com/calibration
for more information about calibration solutions.
Contents
Software.................................................................................................................................... 1
Documentation.......................................................................................................................... 1
Test Equipment..........................................................................................................................2
Test Conditions..........................................................................................................................2
Initial Setup............................................................................................................................... 3
Verification................................................................................................................................3
Accuracy Verification....................................................................................................... 3
Adjustment................................................................................................................................ 5
Gain Accuracy Adjustment............................................................................................... 5
Offset Accuracy Adjustment.............................................................................................6
EEPROM Update...................................................................................................................... 7
Reverification............................................................................................................................7
Accuracy Under Calibration Conditions...................................................................................7
Worldwide Support and Services.............................................................................................. 8
Software
Calibrating the NI 9203 requires the installation of NI-DAQmx 9.2 or later on the calibration
system. You can download NI-DAQmx from ni.com/downloads. NI-DAQmx supports
LabVIEW, LabWindows
DAQmx, you only need to install support for the application software that you intend to use.
Documentation
Consult the following documents for information about the NI 9203, NI-DAQmx, and your
application software. All documents are available on
software.
•
NI cDAQ-9174/9178 Quick Start- NI-DAQmx installation and hardware setup.
•
NI 9203 Getting Started Guide and NI 9203 Datasheet-NI 9203-specific information,
specifications, and calibration interval.
•
NI-DAQmx Readme-Operating system and application software support in NI-DAQmx.
™
™
/CVI
, C/C++, C#, and Visual Basic .NET. When you install NI-
, and help files install with the
ni.com
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Table of Contents
Related Manuals for NI 9203
Summary of Contents for NI 9203
- Page 1 EEPROM Update........................7 Reverification..........................7 Accuracy Under Calibration Conditions...................7 Worldwide Support and Services....................8 Software Calibrating the NI 9203 requires the installation of NI-DAQmx 9.2 or later on the calibration system. You can download NI-DAQmx from ni.com/downloads. NI-DAQmx supports ™ ™ LabVIEW, LabWindows /CVI , C/C++, C#, and Visual Basic .NET.
- Page 2 The following setup and environmental conditions are required to ensure the NI 9203 meets published specifications. • Keep connections to the NI 9203 as short as possible. Long cables and wires act as antennae, picking up extra noise that can affect measurements. •...
- Page 3 Install NI-DAQmx. Make sure the NI cDAQ-9178 power source is not connected. Install the module in slot 8 of the NI cDAQ-9178 chassis. Leave slots 1 through 7 of the NI cDAQ-9178 chassis empty. Connect the NI cDAQ-9178 chassis to your host computer.
- Page 4 Repeat steps 2 and 3 for both ranges. Repeat steps 2 through 4 for each channel. Set the calibrator to Standby mode (STBY). Connect the NI 9203 to the calibrator. Refer to Figure 1 for a connection diagram. Figure 1. Accuracy Connections for the NI 9203 Guard...
- Page 5 Complete the following procedure to adjust the gain accuracy performance of the NI 9203. Set the calibrator to Standby mode (STBY). Connect the NI 9203 to the calibrator. Refer to Figure 1 for a connection diagram. Adjust the NI 9203.
- Page 6 Call and configure the NI 9203 get C Series adjustment points function according to Table 8 to obtain an array of recommended calibration currents for both the Unipolar and Bipolar Input Range. Table 8. Get Adjustment Points Configuration Input Range...
- Page 7 Close the calibration session. EEPROM Update When an adjustment procedure is completed, the NI 9203 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 8 . You can find patents.txt ni.com/patents information about end-user license agreements (EULAs) and third-party legal notices in the readme file for your NI product. Refer to the Export Compliance Information at for the NI global trade compliance policy and how ni.com/legal/export-compliance...
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