THE ALL-TIME PERFORMANCE STANDARD
RdF’s exclusive Micro-Foil® surface thermocouple junctions have been the benchmark design for over 40 years. These practical surface sensors are the ideal high performance configuration for demanding applications.
Ideal Thermal Contact, Fast Response
Thin foil thermocouples, with butt bonded junctions, provide accurate, fast response sensors for surface temperature measurements. They are available in a free filament style with removable carrier and in a thin, high temperature laminate style with the sensor embedded in paper-thin laminate.
Thin foil, 0.0002" and 0.0005" thick, gives extremely low thermal inertia plus maximum thermal coupling to the mounting surface. Thermocouple grade materials are used throughout the foil and leads for accuracy. Errors caused by thermal conduction between junction and leads are negligible, since the length to thickness ratio of the foil junction portion ranges from 500:1 to 2000:1.
Micro-Foil® butt bonding produces thermocouples with no increase in thickness or mass at the junction. Location of the junction is definite and concise, essentially a short line, not spread out. Butt bonded foil is an intimate thermal layer at the sensing surface.