BIRNS General-Area Chamber Light™

The BIRNS General-Area Chamber Light™, BIRNS Model(s) 4132-5, is an innovative, versatile PVHO lighting fixture that provides tailored general-area lighting inside pressurized chambers. This comprehensive system comes complete with choice of lamp and a factory-installed penetrator and cable assembly for savings and convenience. Its superior thermal design permits use of higher-output lamps, so it can be customized to provide maximum illumination. The attached cable length is 1.8m (6′), but on special order it can be any length specified. The unit comes complete with choice of 12V or 24V lamp (power ratings ≤28W). It meets or exceeds applicable Det Norske Veritas (DNV), Lloyd’s, and UL requirements.


The low-voltage BIRNS General-Area Chamber Light is designed specifically to safely provide white light illumination inside pressurized HeO2-atmosphere PVHO chambers.  It’s an advanced, customizable solution perfect for submersibles, diving bells, personnel transfer capsules, and a wide range of decompression, recompression and hyperbaric chambers


  • Brilliant white light illumination

  • Can mount on practically any ceiling or wall

  • Variety of versatile lamp and lens options

  • Complete safety: Case ground (earth)

  • Helium release valve

  • Superior thermal design

  • Versatility of 12V or 24V lamps

  • Operates well on AC or DC

Model Numbers

Variations on the BIRNS General-Area Chamber Light are available as follows:

  • Model 4132: with a 1.8m (6′) power cable installed

  • Model 4133: like 4132 but with an On/Off switch

  • Model 4134: like 4132 but with a male connector and 63A-013 SS locking sleeve on the cable

  • Model 4135: like 4132 but with a switch, male connector and 63A-013 SS locking sleeve on the cable

    Contact our sales team for pricing and delivery information or if you are in need of any other Commercial Diving Equipment.