HM 867 Heating Microscope

The Optical Dilatometry Platform HM 867 from TA Instruments is a stand-alone heating microscope that is a standard instrument for process optimization in the ceramics sector. It is the most innovative tool for production and R&D laboratories for the optimization of all industrial processes containing thermal cycles.

A single camera on the optical bench frames the total sample and records the sequence of the characteristic shape variations and the temperature throughout the experiment. This is suitable for identifying all major material change events including softening, sintering, half-sphere, full sphere and melting. Dimension variations up to 100% can be measured.

With a maximum temperature scanning rate of 80 °C/minute, it has a built-in purge gas system that enables the user to test specimens in reductive, oxidative, air and protective atmospheres. The heating microscope is available as a standalone instrument, HM 867 or as an option on the Optical Dilatometry Platform, ODP 868.


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Optical measuring system Optical measuring system equipped with a 5 MPix HiRes videocamera
Operating modes Heating microscope
International Standards ASTM D1857, CEN/TR 15404:2010, BS 1016:Part 15:1960, CEN/TS 15370-1:2006, DIN 51730, DM 05-02-1998, IS 12891:1990, ISO 540:1995, NF M03-048
Sample displacement Bidimensional
Sample number From 1 up to 8, depending upon samples sizes
Temperature range on specimen RT – 1600 °C
Temperature resolution 0,2 °C
Heating rate 0,1 – 80 °C/min
Resolution 5 ppm with ISO standard sample
Sample dimensions: ASTM and ISO standards
Certified reference materials Gold wire – Palladium wire
Morphometrics Height, Width, Contact angle, Height/Width Ratio, Perimeter, Area, Roundness, Eccentricity, Center of mass.
More and freely user-selectable also possible
Atmosphere User selectable, sw controlled automatic gas switching:
air, oxidizing, reducing, quasi-inert
Light source LED


The New ODP860 Series - Optical Dilatometry Platform

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