This document provides information on the HDL 109 bulkhead luminaire from Hadar Lighting. It is a Zone 1 approved explosion-proof bulkhead light fixture intended for use in hazardous locations. It uses 2 x 18W compact fluorescent lamps and has an emergency version. Key features include IP66/67 ingress protection, operating temperatures up to 100°C, mounting options of Unistrut, bracket or pole, and ATEX and IEC Ex certification.