Patent ID: 9182364
Filing Date: 2015-11-10
Classification: G01N

Abstract:
1. An apparatus for the measurement of the thermal conductivity comprising: a) a control system, and a needle probe; b) said control system comprising a voltage detector, and a voltage supply; c) said needle probe comprising a sheath, a heating element, a temperature sensor, and an electrical insulator; d) said sheath comprising a melting temperature greater than the operating temperature of the heating element; e) said voltage detector electrically connected to said temperature sensor providing a measured voltage related to the temperature of said temperature sensor; f) said heating element electrically conductive and contained within said sheath; g) said temperature sensor surrounded by said heating element within said sheath; h) said electrical insulator electrically insulating said sheath, said heating element and said temperature sensor from each other; i) said electrical insulator comprising a melting temperature greater than the operating temperature of the heating element; j) said voltage control supply electrically connected to said heating element; k) said control system comprising programming comprising: