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Lumistar Luminaires USL 15-LED USL 35-LED
USL 15-LED USL 35-LED

The Lumistar USL 15-LED and USL 35-LED are sight glass luminaires designed for universal mounting on sight glass fittings. The USL 15-LED features a hinged bracket for easy installation, while the USL 35-LED is a special version for sterile environments with an adapter collar for flange mounting, such as on Metaglas fittings. Both provide glare-free, powerful illumination and fit circular sight glass fittings similar to DIN 28120/DIN 28121, screw-type sight glass fittings similar to DIN 11851, and METAGLAS® and BioControl fittings.
Specifications
- Operating Voltage: 12 V, 24 V AC/DC, or 230 V AC
- Power: 4.5 W (24 V), 4 W (12 V), 5.5 W (230 V)
- Colour Temperature: 2700 K
- Luminous Flux: 210 lm at 4.5 W, 400 lm at 5.5 W
- Reflected Beam Angle: 36° at 4.5 W, 25° at 5.5 W
- Protection Class: IP65 dust- and waterjet proof according to EN 60529 / DIN VDE 0470 Part 1
- Maximum Ambient Temperature: 40°C
- Materials: Luminaire body and cover made of stainless steel 1.4404; hinged bracket and flange collar made of stainless steel 1.4301
- Connecting Cable: Standard length 3 m (other lengths available on request)
Common Applications
- Suitable for chemical, pharmaceutical, biogas, and food processing industries
- Ideal for illuminating bioreactors, laboratory mixers, filters, tanks, agitators, separators, pipelines, and other usually closed vessels
- Designed for non-explosive operating environments
- Circular sight glass fittings similar to DIN 28120 and DIN 28121 from DN 40
- Visual flow indicators from DN 40
- Screw-type sight glass fittings similar to DIN 11851 from DN 65
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