Photometric detector enables very low illuminance measurements

September 16, 2019 //By Julien Happich
Photometric detector
Designed to measure very low light levels, Gigahertz-Optik’s VL-3707 precision photometric detector is capable of accurate measurements down to less than 100 μlux.

The instrument consists of the optometer P-9710 with the photometric detector head VL-3707 suitable for testing and characterising night vision equipment used in surveillance, security and automotive applications. The measurement of moonlight and starlight (mlux to μlux) enables research on light pollution of the night sky. Emergency lighting standards (e.g. DIN EN 1838 and ISO 30061) require measurement resolution in the mlux range.

The VL-3707 incorporates the latest photodiode technology, high transmission photometric filtering, and a cosine diffuser to create a highly sensitive illuminance detector.

Optik GmbH - www.gigahertz-optik.de


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