National Instruments NI 9225 Calibration Procedure Download

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NI 9225 Calibration Procedure

Documentation

Consult the following documents for information about the NI 9225, 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 Guide

NI-DAQmx installation and hardware setup

NI 9225 Operating Instructions and Specifications

NI 9225 specific information, specifications, and calibration interval

NI-DAQmx Readme

Operating system and application software support in NI-DAQmx

LabVIEW Help

LabVIEW programming concepts and reference information about NI-DAQmx
VIs and functions

NI-DAQmx C Reference Help

Reference information for NI-DAQmx C functions and NI-DAQmx C properties

NI-DAQmx .NET Help Support for Visual Studio

Reference information for NI-DAQmx .NET methods and NI-DAQmx .NET
properties, key concepts, and a C enum to .NET enum mapping table

Summary of Contents for NI 9225

Page 1: ...NI 9225...

Page 2: ...ation 4 Accuracy Verification 5 Gain Matching Verification 6 Phase Matching Verification 8 Adjustment 9 Accuracy Adjustment 9 EEPROM Update 10 Reverification 10 Accuracy Under Calibration Conditions 1...

Page 3: ...ons and Specifications NI 9225 specific information specifications and calibration interval NI DAQmx Readme Operating system and application software support in NI DAQmx LabVIEW Help LabVIEW programmi...

Page 4: ...for all cable connections to the NI 9225 Use twisted pairs wire to eliminate noise and thermal offsets Maintain an ambient temperature of 23 C 5 C The NI 9225 temperature will be greater than the ambi...

Page 5: ...em safety ground 4 Install the module in slot 8 of the NI cDAQ 9178 chassis Leave slots 1 through 7 of the NI cDAQ 9178 chassis empty 5 Connect the NI cDAQ 9178 chassis to your host computer 6 Connect...

Page 6: ...to Operate mode OPR 5 Acquire and average samples a Create and configure an AI voltage task according to Table 2 b Configure the task timing according to Table 3 c Start the task d Read samples from t...

Page 7: ...us of the NI 9225 1 Connect the NI 9225 to the function generator as shown in Figure 2 Figure 2 Gain Matching Verification Connections 2 Configure function generator according to Table 5 Table 4 NI 92...

Page 8: ...nel using the AmplitudeAcq value 6 Compare the channel to channel gain difference to the maximum limit of 0 25 dB 7 Disable the function generator 8 Disconnect the function generator from the device I...

Page 9: ...re samples a Create and configure an AI voltage task according to Table 9 b Configure the task timing according to Table 10 c Start the task d Read samples from the NI 9225 e Clear the task Table 8 Fu...

Page 10: ...ust the accuracy performance of the NI 9225 1 Set the calibrator to Standby mode STBY 2 Connect the NI 9225 to the calibrator as shown in Figure 1 3 Adjust the NI 9225 a Initialize a calibration sessi...

Page 11: ...ls Reverification after performing an adjustment verify that you have met the Test Conditions before returning your device to NI Refer to Where to Go for Support for assistance in returning the device...

Page 12: ...bsite is your complete resource for technical support At ni com support you have access to everything from troubleshooting and application development self help resources to email and phone assistance...