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Lux & UV Indicator


The Bartlett School of Environment, Energy and Resources

RESTRICTIONS Staff only (and only exceptionally available externally)
CONTACT 1 Katherine Curran
CONTACT 2 Josep Grau-Bove
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SITE Bloomsbury Campus


The Universal Light Meter (ULM) is a hand-held instrument designed to measure Lux and UV and display the readings in an easily understood format.

The ULM has internal auto-scaling across the ranges 10 to 20,000 Lux and 10 to 1,000 μW/Lumen. In the normal mode of operation it displays light levels on its alpha-numeric LCD screen as Lux, μW /Lumen and mW/m2. Lux is detected by a photometric diode and UV by a silicon carbide sensor which provides a response over the range 250 to 400nm. The sensors are mounted adjacent to each other, with cosine-correction of both Lux and UV.

Item ID #3473.

Last Updated: 28th July, 2015

Lux & UV Indicator

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