Thermocouples are widely used to measure both transient and steady state temperatures in many different materials. Bead diameters range from a few micrometers to several millimeters. During steady state operations, dynamic response is not an issue. However, during fluctuating conditions, the temporal response of the thermocouple must be taken into account. Several different techniques have been developed to measure the response characteristics of measurements in inert gases and liquids, but to the authors' knowledge, relatively little work has been conducted in condensed phase reacting materials. This report presents an initial survey of the topic.