Isotech – Getting Temperature Right
Isothermal Technology Ltd (Isotech) is a world leader in temperature calibration, celebrating 45 years of innovation and expertise. Today, Isotech is trusted by National Metrology Institutes, accredited laboratories, and industry worldwide, with solutions ranging from ITS-90 fixed-point standards with uncertainties as low as ±0.00007 °C to rugged field calibrators for on-site engineers.

Our UKAS-accredited laboratory (ISO/IEC 17025) offers internationally recognised calibration with uncertainties comparable to the best in the world, giving customers the confidence that their measurements are accurate, traceable, and defensible.
Isotech’s portfolio includes:
- Primary Standards – Fixed Point Cells, SPRTs, and Thermometry Bridges
- Industrial Solutions – Isocal-6 multi-function calibrators, dry blocks, LN Apparatus, blackbody sources, and precision thermometers (–200 °C to 1200 °C)
- Calibration & Training Services – UKAS calibration, practical training, and technical support

Whether in the lab or in the field, Isotech helps organisations across the globe “get temperature right.”
