The Series 55-EX, an LED luminaire that can be used with a sight glass in hazardous areas is introduced by L.J. Star.It's first High-Power LED Luminaire with explosion proof rating .

This luminaire is available with an aluminum housing (ASL55-EX) or for harsh environments with a stainless steel housing (ESL55-EX).
 
Compared to traditional halogen luminaires, the new L.J. Star LED luminaires produce light without heat and have an operating life of approximately 50,000 hours – more than five and a half years of maintenance-free operation – 50 times that of a halogen bulb, making them ideal for heat-sensitive processes and use in sight glass applications where exceptional reliability and low maintenance are required.
 
About L.J. Star
L.J. Star Incorporated provides an extensive line of process observation equipment -- sight glasses, lights, sanitary fittings, and level gage instrumentation. Unlike some other sight glasses, it meets stringent DIN 7079 and DIN 7080 quality standards, and it is approved for USP Type I use.