NI 9203 Calibration Procedure

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
™
/CVI
™
, C/C++, C#, and Visual Basic .NET. When you install NI-
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 ni.com, and help files install with the
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.

NI 9203 Specifications

General

Input Type	Current
Input Range	±20 mA
Resolution	16 bits
Operating Temperature Range	-40 °C to 70 °C
Category	I/O Systems
Maximum Input Range	±20 mA
Isolation	250 Vrms
Single-Ended/Differential	Single-Ended
Isolation Voltage	250 Vrms