The Papenmeier Lumistar luminaires USL 15-LED and USL 35-LED are designed for universal industrial applications.
The USL 15-LED features a hinged bracket for flexible mounting, while the USL 35-LED is a special version for sterile environments, mounted via an adapter collar suitable for fitting over flanges such as Metaglas.
These luminaires are suitable for mounting on sight glass fittings in combined sight and light ports (single-flange version) or two separate ports (two-flange version). They provide glare-free illumination and fit circular sight glass fittings similar to DIN 28120/DIN 28121, screw-type sight glass fittings similar to DIN 11851, as well as METAGLAS® and BioControl fittings.
Applications
Ideal for use in chemical, pharmaceutical, biogas, and food processing industries. They are designed to illuminate bioreactors, laboratory mixers, filters, tanks, agitators, separators, pipelines, and other usually closed vessels in non-explosive environments.
Protection Class
The luminaires are dust- and waterjet-proof with an IP65 rating according to EN 60529 / DIN VDE 0470 Part 1.
Operating Conditions
They operate independently of internal pressure or vacuum in the vessel but should never be used alone to close a vessel port or replace the mating flange or complete sight glass flange assembly. The maximum admissible ambient temperature is 40°C.
Installation
- USL 15-LED: Attached to the mating flange of circular sight glass fittings or visual flow indicators using a hinged bracket; fastened to grooved nuts on screw-type sight glass fittings.
- USL 35-LED: Mounted over an adapter collar (e.g., on Metaglas).
Specifications
- Operating voltage: 12 V, 24 V AC/DC, and 230 V AC.
- Colour temperature: 2700 K.
- Luminous flux: 210 lm at 4.5 W and 400 lm at 5.5 W.
- Reflected beam angles: 36° at 4.5 W and 25° at 5.5 W.
Mounting Compatibility
- Circular sight glass fittings similar to DIN 28120 from DN 40.
- Circular sight glass fittings similar to DIN 28121 from DN 40.
- Visual flow indicators from DN 40.
- Screw-type sight glass fittings similar to DIN 11851 from DN 65.
Materials and Dimensions
- Luminaire body and cover: Stainless steel 1.4404.
- Hinged bracket and flange collar for screw-type sight glass fittings DN 65: Stainless steel 1.4301.
- Connecting cable: Standard length of 3 m (3 x 0.75 mm²), other lengths available on request.
Accessories (only for USL 15-LED, sold separately)
- Flange collar DN 65 stainless steel (no hinged mounting bracket needed), Ø80 mm
- Flange collar DN 80 stainless steel (no hinged mounting bracket needed), Ø94 mm
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