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Primary Standard cells fit into the Medusa and Oberon, covering from Indium to Copper Points. These cylindrical cells are 42mm diameter and have a cavity 9mm diameter x 87mm deep. The Medium Temperature “Hockey Puck” cells are 64mm diameter and fit into the Gemini R. There are a range of High Temperature Cells for the Pegasus, 33mm diameter with a 10mm cavity.

Primary Standard Cells
PointPart NumberTemperatureApparatus
Indium998-06-00A156.60°CMedusa R
Tin998-06-00B231.93°CMedusa R
Zinc998-06-00C419.53°CMedusa R
Aluminium998-06-00D660.32°COberon R
Silver998-06-00E961.78°COberon R
Copper998-06-00G1084.62°COberon R
Medium Temperature “Hockey Puck” Cells
Gallium431-03-0029.7646°CGemini R
Indium976-05-00A156.60°CGemini R
Tin976-05-00B231.93°CGemini R
Zinc976-05-00C419.53°CGemini R
High Temperature Cells for the Pegasus R
Indium970-06-00A156.60°CPegasus R
Tin970-06-00B231.93°CPegasus R
Zinc970-06-00C419.53°CPegasus R
Aluminium970-06-00D660.32°CPegasus R
Silver970-06-00E961.78°CPegasus R

Blackbody ITS-90 Fixed Points

Primary Standard cells fit into the Medusa and Oberon, covering from Indium to Copper Points. These cylindrical cells are 42mm diameter and have a cavity 9mm diameter x 87mm deep.

  • Primary Standard Fixed Points
  • Unique Patented Design
  • High Accuracy
  • Black Body Radiation Sources
  • Long, Flat Plateau
  • ITS 90 Fixed Points

Or call +44 01704 543830

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