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Measurement Resources

Acoustical Measurement

Sound
Measuring Sound (from Bruel & Kjaer) [PDF]
Noise Pollution Clearinghouse
Sound Intensity (from Bruel & Kjaer) [PDF]
Sound and Vibration links
Standard Musical Note Frequencies
What is a Decibel?
Everything You Wanted to Know about Decibels But Were Afraid to Ask

Displacement Measurement

LVDT principles
Using quadrature encoders with E-series data acquisition boards

Data Acquisition

Data Acquisition Basics [PDF]
National Instruments 6024E DAQ board [PDF]
National Instruments USB-6009 DAQ User Guide (from NI.com) [PDF]
National Instruments DAQ Signal Accessory [PDF]
LabView Measurements Manual[PDF]
Field Wiring and Noise Considerations for Analog Signals [PDF]

FFT Signal Analysis

Fundamentals of FFT-based Signal Analysis [PDF]

Statistics

Temperature Measurement

Introduction to Thermocouples (from dataforth.com) [PDF]
Thermometry
Temperature measurement (www.ni.com)
Practical Temperature Measurements (from Agilent) [PDF]
Practical Thermocouple Temperature Measurements (from dataforth.com) [PDF]

Viscosity Measurment

Viscosity (from Brookfield Engineering)
More Solutions to Sticky Problems (Brookfield Engineering) [PDF]
Z-80 Controlled Viscometer

Other

A Dictionary of Measures, Units, and Conversions
ABC’s of Probes [PDF]
EEVL: the Internet Guide to Engineering, Mathematics and Computing
eFunda: The Ultimate Online Reference for Engineers
How to Write a Report [PDF]
Measurement Encyclopedia (from National Instruments)
NDT Tech Resources
NIST Guide to SI Units
NIST Guidelines for Evaluating and Expressing the Uncertainty of NIST Measurement Results
NIST Online Databases
Omega Engineering Technical Reference
Powers of Ten Interactive Java Tutorial
Review of Scientific Instruments
Scientific Instrument Museum
San Jose Library
Significant Figures and Rounding Rules
XYZ's of Oscilloscopes