SIGHT GLASS LUMINAIRE USL33 / USL13 WITH HINGED BRACKET – NON-EX

• Fully sealed sightglass luminaire with cover glass, compact, all stainless steel
• Suits for sanitary sightglass fittings with METAGLAS® in Bio-Control
  or NA-Connect fittings
• Operating voltage/Power: 12V, 24V, 230V / 3,5W
• The luminaire is seated firmly in a specially formed lip in
  the cover flange, sealed and clamped to the sight glass
• Application in chemical, pharmaceutical, biogas and food processing
  industries: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.
• USL13: The luminaire is attached to the cover flange of the circular
  sight glass fitting or the visual flow indicator with a hinged bracket,
  or fastened to the grooved nut on screw-type sight glass fittings.
• USL33: The luminaire is mounted over an adapter collar.
  For mounting on sight glass fittings:
  This sight glass luminaire is designed for universal applications. It is ideal
  for use in combined sight and light ports (single-flange version) or for two
  separate ports (2-flange version).

Sight glass luminaire USL13 and USL33 fit the following sizes:

• Circular sight glass fitting acc. to DIN 28120: from DN 25
• Circular sight glass fitting acc. to DIN 28121: from DN 40
• Visual flow indicators: from DN 25
• Screw-type sight glass fittings in compliance with
  DIN 11851: from DN 50

• Independent of the internal pressure / vacuum in the vessel. Under no circumstances should a sight glass luminaire be used on its own to
  close a vessel port or as a replacement for the cover flange or the
  complete sight glass flange assembly.

Operating temperature

• Max. admissible ambient temperature at the cable entry gland with halogen version: 90°C; with LED version: 40°C

• 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 METAGLAS® and BioControl fittings.
• Very easy to install using special mountings, ensuring convenience of use:
• USL13: The luminaire is attached to the cover flange of the circular sight glass fitting or the visual flow indicator with a hinged bracket, or fastened to the grooved nut on screw-type sight glass fittings.
• USL33: USL33: The luminaire is mounted over an adapter collar
• Caution: Do not look into light – Danger of impaired eyesight!

• Luminaire body and cover: Stainless steel 1.4404
• Hinged bracket and flange collar for attachment to screw-type sight glass fitting DN 50/65): Stainless steel 1.4301
• Connecting cable: 3 m (3 x 0.75 mm²) works fitted

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

• AC/DC
• Operating voltage: 12 V,24 V