Thermophysical Transient Tester RT 1.02 for
measuring specific heat, thermal diffusivity and
The Laboratory has collected large experience in investigation of the
thermophysical properties of materials for many years. The instrument is a result
of know how that was reached due to various projects at which the staff of
laboratory was confronted with different research goals as well as with
requirements coming from the industry. The instrument is based on
pulse transient method. Theory,
experimental arrangement and application of the method are described in the book by L.
Kubicár: Pulse Method of Measuring Basic Thermophysical Parameters (Elsevier
The instrument gives specific heat,
thermal diffusivity and thermal conductivity within a single measurement.
Transient methods especially the Transient Pulse method posses the following advantages:
Measuring process takes short time ranging from several seconds up to several tenths of minutes
Specimens can be used that have a considerable size range. Thus the reliable data of the thermophysical
parameters on in-homogenous materials can be obtained. The method uses simple specimen geometry, namely
cylinders or rectangles.
Regime of thermal analysis can be used, i.e. a regime that controls the heating and cooling of the specimen
during the measuring process. This regime is a prerequisite for investigation of material aging or structural
Three parameters can be obtained within a single measurement, namely specific heat, thermal diffusivity and
Measurements can be fully automated.
The instrument is aimed at metrological laboratories, laboratories involved in material research (investigation of the
phase transition, structural relaxation – material aging and the measurement of the basic thermophysical parameters of
materials) and testing laboratories (the optimisation of the technological processes and material testing). The instrument
can be used for alloys, polymers, ceramics, glasses, product of the powder metallurgy and organic materials.