Papenmeier Lumistar Luminaire ESL 25 LED

The Lumistar Luminaire ESL 25LED is designed for versatile applications and is ideal for mounting on sight glass fittings.

It can be used in combined sight glass and light assemblies, either as a single-flange version or with two separate flanged ports.

Features

• Compact yet Powerful: Provides dazzle-free illumination for use with circular sight glass fittings to DIN 28120/DIN 28121 or similar, as well as screwed sight glass units compliant with DIN 11851 and visual flow indicators.
• Optimized Design: Features a large light aperture thanks to its screw-in lens design, ensuring effective lighting.
• Application: Perfect for illuminating visual flow indicators, pipelines, laboratory mixers, bioreactors, and the interiors of pressure vessels, tanks, agitators, and other normally closed processing vessels. Especially suitable for sterile and food areas.

Specifications

• Protection Class:
  • IP65 and IP67 according to DIN EN 60529
  • IP66 available as a special version on request
• Operating Conditions: Independent of internal pressure/vacuum in the vessel. This luminaire should not be used to replace the mating flange or the sight glass/luminaire assembly or to close a vessel port.
• Ambient Temperature: Approved for use in ambient temperatures up to 50°C.
• Operating Voltage:
  • 24 V AC/DC – 7.5 W
  • 110-230 V AC – 7.5 W
• Colour Temperature: 6500 K (other light colours available on request)
• Luminous Flux: Ranges from 360 lm to 430 lm depending on the beam angle.
• Beam Angle Options: 12°, 25°, or 38°.
• Body of Luminaire: Made from polished stainless steel 1.4404.
• Fastening Components: Stainless steel 1.4301 (see accessories).
• Cable Entry Gland: M20 x 1.5.

Common Applications

The Lumistar ESL 25LED is specifically designed for illuminating visual flow indicators, laboratory mixers, pipelines, bioreactors, and the interiors of pressure vessels, tanks, and agitators in sterile environments.

Installation

The luminaire is secured to the mating flange using a hinged bracket for circular sight glass fittings and flow indicators. For screw-type sight glass units, it is mounted on the slotted cover nut.

Accessories

Accessories are available separately and include:

1. Hinged bracket mounting for luminaire (Part No. 0354.019.00)
2. Flanged adapter collar mounting for various models (available on request)
3. Claw spanner for screw-in lens (Part No. 6816.001.00)
4. Timer module, Ex version (available on request)
5. Connecting cable (available on request)

The Lumistar Luminaire ESL 25LED is an efficient lighting solution ideal for sterile environments that require reliable illumination in processing applications. For more information or to explore our range of luminaires, including Non-Ex or Ex lights, please contact us today!