File:Ratiometer temperature measuring indicator.jpg

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Ratiometer_temperature_measuring_indicator.jpg(454 × 359 pixels, file size: 29 KB, MIME type: image/jpeg)


English: A ratiometer temperature measuring indicator has two

coils. As the sensor bulb resistance varies with temperature, different amounts of current flow through the coils. This produces varying magnetic fields. These fields interact with the magnetic field of a

large permanent magnet, resulting in an indication of temperature.
Source Aviation Maintenance Technician


Volume 2
Author U.S. Department of Transportation FEDERAL AVIATION ADMINISTRATION


Public domain
This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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