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Instrumentation Topics - Absolute Instrument
- An instrument whose calibration can be determined by means of physical measurements on the instrument.
- Accelerometer
- An instrument for measuring acceleration, as of aircraft or guided missiles.
- Altimeter
- An instrument for measuring height above a reference datum.
- Astrolabe
- An instrument that was used to determine the altitude of objects in the sky.
- Bolometer
- A device for measuring minute amounts of radiant energy.
- Calorimeter
- An insulated vessel for measuring the amount of heat absorbed or released by a chemical or physical change.
- Capacitor Microphone
- Microphone whose operation depends on variations in capacitance caused by varying air pressure on the movable plate of a capacitor.
- Carbon Microphone
- Microphone whose operation depends on pressure variation in carbon granules causing a change in resistance.
- Console
- An array of controls and indicators for controlling a complex system or sequence of events.
- Detector
- A device that receives energy in one form and supplies an ouput in another form.
- Microphone
- An acoustical-electrical transducer by which sound waves in air may be converted to electrical signals.
- Oscilloscope
- An instrument using a cathode-ray tube for visual display of electric signals.
- Tuning Fork
- A small two-pronged steel instrument which when struck produces a fixed tone.
 
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