TDM series(PCY series) High Temperature Dilatometer also called thermal expansion instrument is used to detect the high-temperature expansion properties of solid inorganic materials and metal materials, especially corundum, refractory materials, shell and core materials for precision casting, ceramics, ceramic raw materials, porcelain clay, glaze, glass, graphite, carbon and other inorganic (organic) materials, metal products, and polymer materials, providing necessary testing means for scientific research and teaching.
TDM thermal expansion instrument is also suitable for the determination of linear thermal expansion of ceramic tiles in accordance with 3810.8-2016, the determination of average linear thermal expansion coefficient of glass in accordance with 16920-1997, the determination of thermal expansion coefficient (CTE) of graphite electrodes in accordance with 3074.4-2016, and the 7320 “Test Method for Thermal Expansion of Refractory Materials”. It also fully meets the requirements of YBB00282002 [Linear Thermal Expansion Coefficient Test] of pharmaceutical packaging materials of the State Food and Drug Administration.




Main technical parameters of High Temperature Dilatometer
Model |
TDM-1200N |
TDM-1400N |
TDM-1700N |
Maximum furnace temperature |
1,200 °C |
1400 °C |
1700 °C |
Measured deformation scope |
+5mm |
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sensitivity |
1um |
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electrical precision |
+5 °C |
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Heating rate |
0-100 °C/min computer program temperature control, adjustable. |
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Computer calculate |
Automatically calculate expansivity, the line swelling volume Automatic calculation of the compensation factor compensation may artificial amendment. |
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specimen size |
(2-15)×(2-15)×(20-50)mm, Square/round is acceptable |
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Systematic measurement error |
±0.1-0.5% |
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electricity |
220V,2KW |
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Features |
Wisdom expansion device automatically facility, recording, storage, printing several Accordingly, the printing temperature-expansion coefficient curve. |
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Software |
All testing operations are completed computer interface, easy to operate and provide a full range of software easier to learn. |