HBO lamps are short-arc lamps in which the discharge arc burns in an atmosphere of mercury vapor under high pressure. Their most important properties and advantages: High radiance, multi-line spectrum. High radiation output in the UV and visible range. Discharge lamp, 50 watts, base SFa6-2, voltage 34 V, luminous flux 2,000 lumens, luminous intensity 230 cd, service life 100 h, clear glass bulb, length: 53 mm, diameter 10 mm