eFunda: Measurement and Sensors
engineering fundamentals Measurement and Sensors
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Instruments and Principles for Measurement

Instruments & Devices: Data Acquisition, Computer Boards, Signal Conditioning, Transducers, Instruments, Recording Devices

     

Methods & Principles: Digital Signal Processing (Aliasing, Nyquist), Data Processing, Time Domain Analysis, Fourier Transform, Bridge Circuits, Piezo Effects

Sensors

Displacement & Dimension: LVDT, RVDT, Fotonic (Fiber-Optic), Eddy Current, Ultrasonic, Microscope, Surface Roughness

Velocity: Laser Doppler, Tachometers, Gyroscopes

Stress & Strain: Strain Gages, Photo-elasticity, Moiré, Holographs

Pressure: U Tubes, Bourdon Tubes, Diaphragm Gages, McLeod Gages

     

Fluid Flow: Pitot Tubes, Hot-wires, Laser Doppler, Pressure Probes

Flowmeter: Selection Guide, Coriolis, Differential Pressure, Magnetic, Positive Displacement, Target, Thermal, Turbine, Ultrasonic (Transit Time/Doppler), Variable Area, Vortex

Temperature: Thermocouples, Resistance (RTD), Thermistors, Pyrometers

more to come ...

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