VTI Instruments EX1629 - Default Chapter; Table of Contents

VTI Instruments Corp.
2 EX1629 Preface
TABLE OF CONTENTS
INTRODUCTION
Certification ........................................................................................................................................................ 10
Warranty ............................................................................................................................................................. 10
Limitation of Warranty ....................................................................................................................................... 10
Restricted Rights Legend .................................................................................................................................... 10
DECLARATION OF CONFORMITY ............................................................................................................................. 11
GENERAL SAFETY INSTRUCTIONS ........................................................................................................................... 12
Terms and Symbols ............................................................................................................................................ 12
Warnings ............................................................................................................................................................. 12
SUPPORT RESOURCES ............................................................................................................................................. 14
SECTION 1 .................................................................................................................................................................. 15
INTRODUCTION ....................................................................................................................................................... 15
Overview ............................................................................................................................................................ 15
Features ............................................................................................................................................................... 15
A Complete High-Density Solution .............................................................................................................. 15
Data Integrity................................................................................................................................................. 15
Excitation Source .......................................................................................................................................... 16
Programmable Bridge Configurations ........................................................................................................... 16
Self-calibration .............................................................................................................................................. 16
Confidence Measurement System ................................................................................................................. 16
Shunt Calibration ........................................................................................................................................... 16
Wideband Output .......................................................................................................................................... 16
Multiple Gain Ranges .................................................................................................................................... 16
Sampling Rate ............................................................................................................................................... 17
Digital Filtering ............................................................................................................................................. 17
Triggering ...................................................................................................................................................... 17
Input Connector ............................................................................................................................................. 17
TEDS Transducer Support ............................................................................................................................ 17
LXI Trigger Bus ............................................................................................................................................ 17
LXI Limit Events .......................................................................................................................................... 17
EX1629 Specifications ....................................................................................................................................... 18
Explanation of Specifications ............................................................................................................................. 22
Sampling Rate ............................................................................................................................................... 22
Bridge Excitation ........................................................................................................................................... 22
Bridge Completion ........................................................................................................................................ 22
Shunt Calibration ........................................................................................................................................... 23
Quarter-Bridge Strain Measurement ............................................................................................................. 23
Quarter-Bridge Strain Measurement/Full-Bridge Strain Measurement ......................................................... 23
Wideband Outputs ......................................................................................................................................... 24
Confidence Measurements ............................................................................................................................ 24
Maximizing Measurement Performance ............................................................................................................. 24
Utilize self-calibration ................................................................................................................................... 24
Utilize excitation measurement ..................................................................................................................... 25
Utilize proper strain gage wiring techniques ................................................................................................. 25
Compensate for lead wire desensitization error............................................................................................. 25
Allow for thermal stabilization of the bridge ................................................................................................ 26