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Primary Laboratory

  • Primary SPRTs & Standard Thermocouples
  • ITS-90 Fixed Point Cells from Argon to Copper
  • Thermometry Bridges
  • Standard Resistors and Maintenance Bath
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Secondary laboratory

  • Low Uncertainty Calibration from -200°C to 1300°C
  • Stirred Liquid Baths, Cryostats and Calibration Furnaces
  • Working SPRTs and Standard Thermometers
  • Quick support to determine your needs
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Industrial temperature calibration

  • Portable Liquid Baths and Dry Blocks from -100°C to 1200°C
  • Reference Probes
  • Support with calibration of industrial sensors
  • Help and advice with the product you need
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Other Services and Products


  • We can calibrate your standards and equipment
  • ISO 17025 accreditation with world leading uncertainties
  • International recognition
  • Cutting edge laboratories with widest range of equipment
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  • Low cost models for human body temperature
  • A range of portable primary blackbody sources
  • High emissivity with excellent temperature uniformity, -80°C to 1300°C
  • Blackbody fixed point cells
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Thermocouple Referencing

  • World leading range of thermocouple referencing equipment
  • Laboratory models for standard thermocouples
  • Large scale installations used in power stations, aeronautical, industrial and research institutes
  • Custom made double junction thermocouple assemblies
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Temperature Measurement

isotech temperature calibration and measurement products
  • From a handheld thermometer to the highest accuracy thermometry bridges
  • Specialist in high accuracy measurement from less than 0.001°C to 0.05°C
  • Thermometers and Readouts
  • Options for ISO 17025 UKAS Calibration to the lowest of uncertainties
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Isotech instils confidence in temperature calibration, and we rely on their products for precision and accuracy, enabling us to work within an impressive 1000th of a degree. Even after five years of use, our Isotech probes maintain their stability, reaffirming our trust in the brand.

David Hamilton, Managing Director, SK Wiring

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Making sure you get the product you need

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