# Isotech: 40 years of British Innovation Excellence \& Unparalleled Accuracy

> Award winning temperature measurement \& calibration, from metal block baths for calibrating thermocouples to RTDs

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## Pages
- [Careers at Isotech](https://isotech.co.uk/careers-at-isotech/)
- [On\-Site Temperature Calibration](https://isotech.co.uk/on-site-temperature-calibration/)
- [Equipment for the Temperature Calibration Laboratory](https://isotech.co.uk/equipment-for-the-temperature-calibration-laboratory/)
- [Healthcare \- Sector Landing Page](https://isotech.co.uk/industrial-calibration/healthcare-temperature-calibration/)
- [Isotech Catalogues and Data](https://isotech.co.uk/isotech-catalogues-and-data/)

## Posts
- [Why Do We Need to Measure to 0\.001°C?](https://isotech.co.uk/why-do-we-need-to-measure-to-0-001c/): Precision at the millikelvin level underpins modern science and industry\. From climate monitoring and oceanography to astronomy and advanced manufacturing, traceable temperature measurement at 0\.001 °C enables reliable data, meaningful comparison, and confident decision\-making worldwide\.
- [Introducing the Model 526 Ultra\-Low Dry Block Calibrator to \-115°C](https://isotech.co.uk/introducing-the-model-526-ultra-low-dry-block-calibrator-to-115c/)
- [Completing the microK² Family: Two New Precision Thermometry Bridges](https://isotech.co.uk/microk2-family-complete/)
- [Isotech acquires Metrosol Limited](https://isotech.co.uk/isotech-acquires-metrosol/)
- [Isotech Catalogue Updates Now Available](https://isotech.co.uk/isotech-catalogue-updates-now-available/)

## Products
- [Model 526 Low Temperature Calibration Source](https://isotech.co.uk/products/model-526-low-temperature-calibration-source/): \<p data\-start="427" data\-end="592"\>A low temperature calibration source for calibrating thermocouples and PRTs at cryogenic temperatures, providing accurate, uniform control across a wide range\. Designed for reliable, straightforward use in laboratory and industrial calibration\.\</p\>
- [Temperature Controlled Fixed Resistors](https://isotech.co.uk/products/temperature-controlled-fixed-resistors/)
- [millisKanner Channel Expander](https://isotech.co.uk/products/milliskanner-channel-expander/)
- [Model 944](https://isotech.co.uk/products/model-944/)
- [Medium Temperature Furnace](https://isotech.co.uk/products/medium-temperature-furnace/)

## Documents
- [microK Thermometry Validation with sub mK Uncertainty](https://isotech.co.uk/documents/cost-effective-techniques-used-to-validate-the-performance-of-the-microk-resistance-thermometry-instrument-with-sub-mk-uncertainty/)
- [Metrology Error Reduction Using Substitution Topology](https://isotech.co.uk/documents/using-a-substitution-measurement-topology-to-eliminate-the-effect-of-common-mode-errors-in-resistance-measurements-used-in-temperature-metrology/)
- [Improving Temperature Calibration Accuracy with ADC](https://isotech.co.uk/documents/better-accuracy-in-temperature-calibration-and-measurement-through-a-new-type-of-analog-to-digital-converter/)
- [Mercury Triple Point Realisation in Europa Calibrator](https://isotech.co.uk/documents/mercury-triple-point-realisation-in-a-europa-portable-calibrator/)
- [Stem Conduction and Light Piping in ITS\-90 Cells \(UKAS Lab\)](https://isotech.co.uk/documents/stem-conduction-and-light-piping-in-its-90-fixed-point-cell-assemblies-at-a-ukas-laboratory/)

## Software
- [Remote Display Control \- operate the milliK via ethernet](https://isotech.co.uk/software/remote-display-control-operate-the-millik-via-the-ethernet-port/)
- [Cal Notepad Software; Control, Monitor and Log](https://isotech.co.uk/software/cal-notepad-software-to-control-monitor-and-log-from-isotech-equipment/)
- [Setpoint Programmer Editor for ADVANCED Units 2026](https://isotech.co.uk/software/setpoint-programmer-editor-for-advanced-units-2026/)
- [Setpoint Programmer Editor for ADVANCED Units](https://isotech.co.uk/software/setpoint-programmer-editor-for-advanced-units/)
- [Icarus \- ITS\-90 Software for SPRTs](https://isotech.co.uk/software/icarus-its-90-software-for-sprts/)

## Product categories
- [Industrial Calibration](https://isotech.co.uk/product-category/industrial-calibration/)
- [Primary Standards](https://isotech.co.uk/product-category/primary-standards/)
- [Secondary Laboratory](https://isotech.co.uk/product-category/secondary-laboratory/)
- [Infrared Calibrators](https://isotech.co.uk/product-category/infrared-calibrators/)
- [Dry Blocks and Portable Baths](https://isotech.co.uk/product-category/industrial-calibration/dry-blocks-and-portable-baths/)

## Optional
- [Sitemap index](https://isotech.co.uk/sitemap_index.xml)