Traceable calibration service: Your Link to National Standards

Operating out of the dedicated calibration laboratory situated within our headquarters in Reading, UK, Bentham provide a high-accuracy light source, detector and reflectance standard calibration service.

Bentham have many years of experience in providing professional calibration services for clients across a multitude of disciplines. Utilising high-performance proprietary instruments and traceable standards, clients receive a comprehensive calibration service with a quick turn-around time.

Accurate, traceable calibration that suits you

  • Bentham’s calibration service starts with an obligation free calibration consultation
  • From receipt to return we take care of your calibration artefact
  • A fast turn-around is guaranteed
  • PTB traceable calibrations
  • An annual calibration reminder is in place to ensure you continue measuring with confidence

Light Sources (radiometric)

Quantity

Unit

Wavelength Range

Spectral irradiance

W.m-2.nm-1

200nm - 3000nm

Spectral radiance

W.sr-1.m-2.nm-1

250nm - 2500nm

Spectral radiant intensity

W.sr-1.nm-1

200nm - 3000nm

Spectral total radiant flux

W.nm-1

350nm - 2000nm

Light Sources (derived photometric quantities)

Quantity

Unit

Luminous flux

lm

Luminous intensity

cd

Luminance

cd.m2

Illuminance

lux

Colour

x, y and u', v'

Correlated colour temperature

K

Detectors

Quantity

Unit

Wavelength Range

Spectral Responsivity

A.W-1

200nm - 30µm

Reflectance

Quantity

Unit

Wavelength Range

Diffuse Reflectance

%

250-2500nm