An instrument for comparing magnetic forces, especially of the earth’s magnetic field.
Related Terms |
AMMETER
An instrument for measuring the magnitude of electric current flow.
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HYDROMETER
An instrument for determining either the specific gravity of a liquid or the API gravity.
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HUNTING
Fluctuation about a mid-point due to instability, as oscillations of the needle of an instrument about the zero point.
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ANEMOMETER
An instrument for measuring the velocity of a fluid.
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GAGE
An instrument or device for measuring, indicating or comparing a physical characteristic.
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HYPSOMETER
An instrument for measuring height by determining the boiling temperature of a liquid. Its operation depends on the principle that boiling temperature is dependent on pressure, which normally varies with height.
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HORIZONTAL FORCE INSTRUMENT
An instrument used to make a comparison between the intensity of th
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HEELING ERROR INSTRUMENT
Heeling adjuster. Also called VERTICAL FORCE INSTRUMENT
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HYSTERESIS ERROR
That error in the reading of an instrument due to hysteresis
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HYGROSCOPE
An instrument which indicates variation in atmospheric moisture
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