Difference between revisions of "Bolometer"

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<div class="definition"><div class="short_definition">(<br/>''Also called'' actinic balance.) An instrument that measures the [[intensity]] of [[radiant  energy]] by employing a thermally sensitive electrical resistor; a type of [[actinometer]].</div><br/> <div class="paragraph">In meteorological applications, two identical, blackened, thermally sensitive electrical resistors  are used in a Wheatstone bridge circuit. Radiation is allowed to fall on one of the elements, causing  a change in its [[resistance]]. The change is a measure of the intensity of the [[radiation]].</div><br/> </div>
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<div class="definition"><div class="short_definition">(''Also called'' actinic balance.) An instrument that measures the [[intensity]] of [[radiant energy|radiant  energy]] by employing a thermally sensitive electrical resistor; a type of [[actinometer]].</div><br/> <div class="paragraph">In meteorological applications, two identical, blackened, thermally sensitive electrical resistors  are used in a Wheatstone bridge circuit. Radiation is allowed to fall on one of the elements, causing  a change in its [[resistance]]. The change is a measure of the intensity of the [[radiation]].</div><br/> </div>
 
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Latest revision as of 16:30, 25 April 2012



bolometer

(Also called actinic balance.) An instrument that measures the intensity of radiant energy by employing a thermally sensitive electrical resistor; a type of actinometer.

In meteorological applications, two identical, blackened, thermally sensitive electrical resistors are used in a Wheatstone bridge circuit. Radiation is allowed to fall on one of the elements, causing a change in its resistance. The change is a measure of the intensity of the radiation.