A dynamic compensation technique for body surface temperature measurements

Theoretical foundations of a method for measuring the surface temperature of a body by using thermal compensation are discussed, in particular dynamic compensation. Equations are derived for measurement error and range of insensitivity of the method. Surface temperature can be measured to within tenths of a degree by the method, depending mainly on the distance of the sensitive junction from the end of the sensor. The insensitivity range depends on the sensor threshold and the ratio of coefficients of the measured body and measuring sensor. The long time currently required for measurements, because of the insensitivity range, restricts the method to application to metals.