Glass Testing Machine Wide Range Viscosity Measurement Device High Temperature Atmosphere Type WRVM-313HA

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WRVM-313HA

last updated：Jun 06, 2011

オプト企業大日工場

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Extensive glass viscosity measurement in a high-temperature atmosphere.

This device measures viscosity in a vacuum, in a gas atmosphere, and at high temperatures. Viscosity measurement involves measuring the deformation speed of the sample and the shear rate; however, conventional sensor heads require detection rods and rotating shafts to be non-contact with the structure, which makes it impossible to achieve a complete seal, resulting in measurements being conducted in a flowing gas atmosphere. This device adopts an indentation, parallel plate, and rotational method, allowing for a smaller sample shape and a more compact measurement sensor section, making it possible to house the entire measurement mechanism, including the electric furnace, within a vacuum cell. [Reference] Hiroshi Shiraishi et al.: Journal of the Japan Institute of Metals, Vol. 60, No. 2 (1996) 184-191

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【Features】 ○ Due to the small sample volume, the furnace volume can also be small, resulting in low temperature errors. ○ Continuous and extensive measurements can be performed on the same sample using penetration, parallel plate, and rotational methods. (Viscosity measurement range: 10^11 to 10^3 Poise) ○ The electric furnace and viscosity measurement mechanism are housed within a vacuum chamber, allowing for measurements in a complete atmosphere. ● For more details, please contact us.