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Home Sensors Quartz Dilatometer with the Electric Capacity Sensor

Quartz Dilatometer with the Electric Capacity Sensor


Dilatometer is designed for measurements of changes in linear sizes for solid samples and determination of their coefficients of thermal linear expansion. The working principle of the dilatometer consists in the measurements of the temperature-induced changes of linear sizes of solid samples. Variation of the temperature on heating or cooling is controlled with a computer.

Technical specifications:

  • Sensitivity: ——————————————————— 1nm
  • Sample sizes: —————————————————— height 0.5-15mm
  • Temperature ranges: ——————————————— [-190 +80]°C and [+20 +1000]°C
  • Temperature rates: ———————————————— [0.1 5]°C/min.
  • Accuracy for temperature stabilization: ——————— 0.05°C:
  • Accuracy for temperature measurements: —————— 0.01°C
  • Accuracy relative linear expansion measurements: —— ~10-6
  • Computer operational system: ——————————— WIN/98/2000/XP

Application examples

Changes of linear sizes for a crystal of Li2B4O7
(z-direction, L=10mm) due to pyroelectric discharging
on cooling with the temperature rate 1°C/min

Temperature dependencies of relative
linear elongation for K2Cd1,8Mn0,2(SO4)3
crystals at the phase transition

Areas of Application

Physics of Solids, Mechanics, Physics of Phase Transitions

Contact Details

Rostyslav Orestovych Vlokh
Organization: Institute of Physical Optics
Address: 23 Dragomanov St., Lviv, 79005, Ukraine.
+38 (032) 261-14-88.
This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

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