National Physical Laboratory (NPL) – national measurement institute for the United Kingdom.
This organisation is responsible for maintaining the primary measurement standards for the UK.
Featured pressure calibration products
Calibration Hand Pumps - Explore pneumatic and hydraulic calibration hand pumps for precise pressure/vacuum generation. Ideal for labs, factories & process plants with pressure transfer standards.
Vacuum Range Calibration Equipment - Maintain the accuracy of your vacuum sensors, gauges, and switches with high-quality vacuum calibration equipment.
Glossary of Calibration technical terms
- BSL – Best Straight Line
- Compensated Temperature Range
- Dead Weight Tester
- PPM – Parts Per Million
- Primary Pressure Reference Standard
- Secondary Pressure Standard
- Span Offset
- Traceable Calibration
- TSL – Terminal Straight Line
- UKAS – The United Kingdom Accreditation Service
- UKAS Calibration Certificate
- Zero Offset
- Zero Tare
Help from Calibration resources
- Determining calibration error of Bourdon tube pressure gauge
- What is the difference between zero offset and zero drift?
