Instruments and methods used in radiometry - II (1913)
National Bureau of Standards · leaf 49
sated by the current, the intensity of the radia-tion, H, in watts per square centimeter is aAH = PI - PR = PI (i -1 I0). Callendar says the chief disadvantage of the radiobalance isthat the increase of the Peltier effect per ic C for the couplesemployed is very nearly o.oooi volt in 0.0150 volt.… … g-0 GALV. Fig. 14 been worked out it is a simple matter to expose either one of thedisks to radiation, measure the compensating current with amilliammeter and read the thermometer, T. Fig. 14. Callendar has also described a cup radiobalance in which thereceiver is in the form of a cup about 4 mm…
Measurements and use of instruments · Thermometry, pyrometry and calorimetry · Heat flow, thermal and thermodynamic processes
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