Isotech ITS-90 Isothermal Towers

Uniquely integrated device with known immersion characteristics conforming to CCT/2000-13 standards.

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Features

  • Indium
    • 156.5985°C
    • ±2mK UKAS Standard Uncertainty
    • ±0.7mK UKAS Premium Uncertainty
  • Tin
    • 231.928°C
    • ±2mK UKAS Standard Uncertainty
    • ±0.8mK UKAS Premium Uncertainty
  • Zinc
    • 419.527°C
    • ±2mK UKAS Standard Uncertainty
    • ±1mK UKAS Premium Uncertainty
  • Aluminum
    • 660.323°C
    • ±2mK UKAS Standard Uncertainty
    • ±6mK UKAS Premium Uncertainty
  • Up to 30 hour plateau duration
  • 8mm pocket diameter
  • 290mm total immersion depth
  • 180mm depth of metal surface to bottom of reentrant tube
  • 110 Vac or 230 Vac 50/60Hz

The Isotech ITS-90 Isothermal Towers combine the fixed point cell and heat pipe (or siphon) to produce ideal realizations for calibrating standard thermometers. This tower utilizes a heated block on top of the heat siphon/cell to fully compensate for the immersion characteristics of the unit under test.

Designed for laboratory use, the Isotech ITS-90 Isothermal Towers have been evaluated against and meet all the requirements of CCT/2000-13. An added benefit of this unit is that because the cell, apparatus and immersion compensator are a single entity, the performance eliminates ambiguity unlike systems where the cell and apparatus are often separated during intercomparison.