sterile environments

Luminaires (Non-Ex)

Product Picture: Lumistar Luminaire USL 31, stainless steel

Mini Lumistar luminaires: USL 01 and USL 31, stainless steel

Fully Sealed Lumistar Sight Glass Luminaire with cover glass, compact, all stainless steel

USL 01: for general applications, mounted with hinged bracket, clamp fastening or flanged adapter collar
USL 31: special variant for sterile environments with adapter collar for fitting over flanges, etc.

Perfect combination of flush screwed assembly and smooth surface:

This sight glass luminaire is designed for mounting on sight glass fittings in universal applications.

It is ideal for illuminating bioreactors, laboratory mixers and filters as well as the interiors of tanks, agitators, separators, pipelines and other, usually closed, vessels in non-explosive operating environments.

It is ideal for use in combined sight and light ports (single-flange version) or arranged separately (two-flange version). The integrated fastening clamp enables convenient mounting on a Lumiglas sight glass wiper assembly SW I.

Compact design; powerful light output:

Glare-free illumination; suitable for use with circular sight glass fittings to DIN 28120 / DIN 28121 or similar, or with screw-type sight glass fittings in compliance with DIN 11851.

Application in chemical, pharmaceutical, biogas and food processing industries:

Protection class: Dust- and waterjet proof, IP 65 according to EN 60 529 / DIN VDE 0470, Part 1

Outside diameter: 24 mm
Light output = 14 mm
Operating voltage/power: 12 V / 5 W or 24 V / 20 W

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Luminaires (Ex)

Product Picture: Lumistar Luminaire ESL 55-LED-Ex, stainless steel

ex II 2G Ex d IIC T6 Gb
ex II 2D Ex tb IIIC T80° Db

Suitable for Explosion hazardous areas

This Ex-type sight glass luminaire is designed for universal applications and is ideal for use in combined sight and light ports (single-flange version) or with two separate ports (2-flange version).

For illuminating visual flow indicators, pipelines, laboratory mixers, bio-reactors as well as the interior of tanks, hoppers, silos, agitators and other, normally closed, vessels and reactors in potentially explosive environments. Gas: Zones 1 and 2, Dust: Zones 21 and 22.

The special advantages of Lumiglas LED technology:

vibration-proof
long service life and operational reliability
continuous LED operation up to around 50,000 hours
optimal for fittings that are difficult to access
no heat radiation in the light aperture (cold light)
no unwanted additional heat in chemical and/or biological processes
extremely high-contrast illumination

Compact design, powerful light output:

Glare-free illumination; suitable for circular sight glass fittings to DIN 28120/DIN 28121 or similar, for screw-type sight glass fittings in compliance with DIN 11851 and for sight glass fittings on flow indicators.

Ideal for applications in sterile areas

Protection class: IP 65 and IP 67 acc. to DIN EN 60529

Temperature Class: to T6
Ambient temperature: up to 40°C
Suits circular sight glass fittings to DIN 28120/28121 or similar from size DN 40 and screwed sight glass fittings DIN 11851 from DN 65

Operating Voltage 24 V, 120 V-230 V Power 11 W
Secured by hinged bracket or adapter flange
modified by an inside mounting flange specially for Aseptik Technology

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