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CALIBRATION PROCEDURE

NI 9209

16-Channel Differential/32-Channel Single-Ended, ±10 V, 24-Bit 
Analog Input Module

This document contains the verification and adjustment procedures for the NI 9209. For more 
information about calibration solutions, visit 

ni.com/calibration

.

Contents

Software.................................................................................................................................... 1
Documentation.......................................................................................................................... 2
Test Equipment......................................................................................................................... 3
Test Conditions......................................................................................................................... 3
Initial Setup............................................................................................................................... 3
Verification............................................................................................................................... 4

Differential Voltage Accuracy Verification ..................................................................... 4
Single-Ended Voltage Accuracy Verification .................................................................. 6

Adjustments .............................................................................................................................. 7

Voltage Accuracy Adjustment.......................................................................................... 7

EEPROM Update ..................................................................................................................... 8
Reverification ........................................................................................................................... 8
Accuracy Under Calibration Conditions .................................................................................. 9
Worldwide Support and Services ............................................................................................. 9

Software

Calibrating the NI 9209 requires the installation of NI-DAQmx 15.1 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.

Summary of Contents for NI 9209

Page 1: ...rential Voltage Accuracy Verification 4 Single Ended Voltage Accuracy Verification 6 Adjustments 7 Voltage Accuracy Adjustment 7 EEPROM Update 8 Reverification 8 Accuracy Under Calibration Conditions...

Page 2: ...NI 9209 specific information NI 9209 Datasheet NI 9209 specifications and calibration interval NI DAQmx Help Information about creating applications that use the NI DAQmx driver LabVIEW Help LabVIEW...

Page 3: ...iminate noise and thermal offsets Maintain an ambient temperature of 23 5 C The device temperature will be greater than the ambient temperature Keep relative humidity below 80 Allow a warm up time of...

Page 4: ...librator as shown in Figure 1 Figure 1 Differential Voltage Accuracy Connections Note If the calibrator outputs are truly floating connect the negative output to a quiet earth ground as well as COM to...

Page 5: ...Set the calibrator to Standby mode STBY 9 Repeat steps 3 through 8 for each test point listed in Table 4 10 Disconnect the calibrator from the device 11 Repeat steps 1 through 10 for each voltage chan...

Page 6: ...e to a Test Point value indicated in Table 6 4 Set the calibrator to Operate mode OPR 5 Acquire and average samples a Create and configure an AI voltage task on the NI 9209 according to Table 5 b Conf...

Page 7: ...red to adjust the NI 9209 Voltage Accuracy Adjustment Complete the following procedure to adjust the voltage accuracy performance of the NI 9209 1 Set the calibrator to Standby mode STBY 2 Connect the...

Page 8: ...de the physical channel s should be a union of the channels specified in both configurations n Close and commit the calibration session 4 Remove the connections from the NI 9209 EEPROM Update When an...

Page 9: ...rs Visit ni com services for NI Factory Installation Services repairs extended warranty and other services Visit ni com register to register your National Instruments product Product registration faci...

Page 10: ...nts You can find 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 ni com legal exp...

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