Using instruments from Bentham’s range, and standards calibrated at National Standards Laboratories, Bentham can provide a full, traceable, and fast calibration and measurement service. Examples include:

- FDA sun-bed testing

- Radiant intensity/colour measurements

- Luminaire measurements

- LED total flux

- Opthalmic instruments to BS ENO 15004:1998

Whilst standards are typically calibrated at Bentham’s in-house calibration laboratory, Bentham can visit customers’ premises to perform measurements.

The following list of quantities measured is by no means exhaustive:
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
300nm - 1100nm
Spectral radiant intensity
W.sr-1.nm-1
200nm - 3000nm
Spectral total radiant flux
W.nm-1
200nm - 3000nm
 
Derived photometric quantities
Quantity
Unit
Luminous flux
Lumens
Luminous intensity
Candelas (cd)
Luminance
cd.m-2
Illuminance
Lumens.m-2 (lux)
Colour
x, y and u', v'
Correlated colour temperature
K

 

Detectors
Quantity
Unit
Wavelength Range
Spectral Responsivity
A.W-1.nm-1
250nm - 1800nm
Spectral Responsivity
A.W-1.nm-1
1 - 25µm

 

Reflectance
Quantity
Unit
Wavelength Range
Spectral Diffuse Reflectance
%.nm-1
320nm - 800nm

 

Instruments
Instrument type
Calibration
Illuminance (lux) meter
Measurement of illuminance standard
Luminance meter
Measurement of luminance standard
UV power meter
Measurement of spectral responsivity in 200-400nm region

 

Should you wish to discuss your requirements with a view to having calibration or measurements performed, please contact our Sales Department for further details:

By tel. +44 (0)118 975 1355 or by email: sales@bentham.co.uk or click on the contact form button above.