Only 130 mm long and 70 mm in diameter, the USL-15 Luminaire® is a compact yet powerful illumination source, designed to give glare-free illumination when used in applications involving combination view/sight port (single port version) or separate light and sight port (dual-port version).

It is particularly well adapted for use in pharmaceutical and food processing. Possible applications include illumination of bio-reactors, laboratory mixers, filters, boilers, tanks, agitators, separators, pipes and other sealed vessels in locations that are not potentially explosive.

It can be used in conjunction with with a variety of sight glass styles as follows:
Sanitary clamp connection series MetaClamp starting at 3"
Circular weld-on sight glass series DIN 28120 starting at DN 50
Circular sight glass series ANSI Bolt-On starting at 2"
Visual Flow Indicators starting at size 1"
Circular weld-neck series MV starting at DN50