The visible blue light LED outlasts traditional filament bulbs by more than nine years, according to the manufacturer. Various models detect different ranges of luminescence.
Companies in this article
Leuze electronic, Inc: Luminescence sensor
The LRT 440 series sensor from Leuze Lumiflex (Rockaway, NJ) detects luminescence in glue marks, labels, plastics, inks, etc. at a range of 50 mm (1.97").
Oct 31, 1998
Machinery Basics
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