SIGHTGLASS LIGHT FITTING USL05-EX / USL05-LED-EX FOR EX-AREA

• For illuminating the interior of tanks, hoppers, silos, agitators
  and other – normally closed – vessels and reactors as well as
  visual flow indicators in potentially explosive environments.
  Gas: Zones 1 and 2,
  Dust: Zones 21 and 22.
• Suitable for use in food processing industries
• This Ex-type sight glass luminaire is designed for universal
  applications in potentially explosive environments. It is
  ideal for use in combined sight and light-glass arrangements,
  either as a single flange version or with two separate flanged
  ports.

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

Operating temperature

• Sight glass luminaires of this series are approved for use in ambient temperatures of up to 60°C, depending on the lamp bulb fitted.

• Compact yet powerful:
  Dazzle-free illumination; for use with circular sight glass fittings to DIN 28120/DIN 28121 or similar, with screw-type sight glass fittings in compliance with DIN 11851, and in visual flow indicators
• Optimal design of screw-type lens ensures max. light efficiency.
• Convenient lamp replacement thanks to optimised screw-type opening

• Sight glass luminaires of this series are approved for use in ambient temperatures of up to 60°C, depending on the lamp bulb fitted.
• Cable gland with pressure-tight resin-cast connecting cable, Sinotherm 110 H05GG-F 3G, 1.5 mm², standard cable length: 2 m
• Protective conductor terminal: Internal terminal already connected, additional external protective conductor terminal on enclosure
• Light exit: Bonded unit made of aluminium ring and glass; Viton seal

• IP 65 and IP 67 to DIN EN 60529

Operation Voltage
Without integrated transformer:

• 12 V… Halogen lamp 5 W or 20 W
• 24 V… Halogen lamp 20 W 230 V… LED illuminant 4 W

With integrated transformer; PTC-protected:

• 120 V… Halogen lamp 12 V/5 W 230 V…
• Halogen lamp 12 V/5 W

• EEC Type-Examination Certificate BVS 08 ATEX E 133s
• II 2G Ex d IIC T3/T4/T6/120°C Gb
• II 2D Ex tb IIIC T80/T120/T130/T195°C Db