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Variable temperature blackbody sources: -40°C to 1600°C

Variable temperature blackbody sources: -40°C to 1600°C

NPL can supply sources to enable radiation thermometer calibration to be performed at a range of temperatures, whilst maintaining ITS-90 traceability.

What is emissivity and why is it important?

What is emissivity and why is it important?

All objects at temperatures above absolute zero emit thermal radiation.

Standard fixed-point blackbody sources: 156°C to 1085°C

Standard fixed-point blackbody sources: 156°C to 1085°C

NPL can supply a range of fully certified, primary and secondary fixed-point blackbody sources for realising the ITS-90.

Phosphor thermometry

Phosphor thermometry

NPL has developed a range of capabilities to support the implementation of phosphor thermometry to solve an array of temperature measurement challenges where more traditional techniques are not suitable.

High temperature blackbody sources: 1153°C to 2748°C

High temperature blackbody sources: 1153°C to 2748°C

NPL can supply, with proven stability and reproducibility, high temperature fixed points (HTFPs) which are based on the melting temperature of a metal-carbon alloy.

Temperature measurement in nuclear environments

Temperature measurement in nuclear environments

NPL is developing new, reliable techniques using direct temperature measurement, optical fibres and thermal imaging.

Long-term reliable surface thermometry for nuclear material

Long-term reliable surface thermometry for nuclear material

NPL assessed the suitability of phosphor thermometry for reducing uncertainty in temperature measurement in nuclear material storage

Wavenumber standards and IR measurements

Wavenumber standards and IR measurements

Reliable harsh environment thermometry

Reliable harsh environment thermometry

We are improving techniques for reliable temperature measurement in harsh environments, including using thermographic phosphors and fibre-optics

Radiation thermometers and blackbody sources

Radiation thermometers and blackbody sources

Customer blackbody sources may be evaluated by comparison with an NPL standard source using either an infrared radiometer or a suite of transfer standard radiation thermometers operating at wavelengths from 0.65 µm to 14 μm.

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Contact our Customer Services team on +44 20 8943 7070