Isotech

Primary Fixed Point Cells
Our Cells offer Better Immersion Depth than our Competitors

99.99995% purity

Available in Indium, Tin, Zinc and Aluminum

205mm immersion

Cells of International Acceptance

ITS-90 Fixed Points

Optimal Metal Clad Cells are available in Indium, Tin, Zinc, and Aluminum and can be provided with one of two UKAS certificates depending on the amount of testing done of the cell.
For our Standard Service we perform one melt and one freeze of the cell plus one intercomparison with Isotech's reference Cell. For our Premium Service we perform three melts, three freezes and two intercomparisons. The uncertainties for these two options are listed below.


 Optimal Metal Clad Fixed Points Product Spec Sheet