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
100 bar / 1,500 psi Hand Operated Pressure Calibration Pump – ADT918 - The 918 Pneumatic Pressure Test Pump is a hand operated pressure pump designed to generate pressure from 95% vacuum to 1,500psi (100bar).
Suction Pressure Calibration Equipment - Select a calibration equipment for calibrating suction pressure measuring devices, and generating suction pressure for setting calibration points.
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?
