SIGHT GLASS LUMINAIRE ESL25-EX

• For illuminating visual flow indicators, pipelines,
  laboratory mixers, bioreactors as well as the
  interior of pressure vessels, tanks, agitators
  and other – normally closed – processing vessels
  in potentially explosive environments.
  Gas: Zones 1 and 2;
  Dust: Zones 21 and 22.

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

Operating temperature

• Luminaires of this type 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 screwed sight glass units in compliance with DIN 11851, and in visual flow indicators.
• Large light aperture and convenient lamp replacement thanks to
  optimized screw-in lens design.

• Body of luminaire: Stainless steel 1.4404, polished
• Fastening components: Stainless steel 1.4301 (see ‘Accessories’)
• Cable entry gland: M20 x 1.5

• dust-tight and water jet-proof,
  IP 65 and 67 acc. to EN 60 529

Operatingvoltage
without integrated transformer:

• 12 V… Halogen-lamp 5 W, 10 W or 20 W
• 24 V… Halogen-lamp 20 W

with integrated transformer:

• 120 V… Halogen-lamp 12 V/5 W/10 W
• 230 V… Halogen-lamp 12 V/5 W/10 W
• 5 W = PTC protection, 10 W = thermal fuse

• BVS 08 ATEX E 137
• EX II 2G Ex d IIC T4/T6 Gb
• EX II 2D Ex tb IIIC T80/T130°C Dbb