Gas discharge lamp for observing Na D lines and investigating of the doublet.
Includes a black metal housing with integrated power supply unit, a light aperture with a fine thread for direct screw-mounting of filters and a threaded stand rod.
Luminance: 1800 lm
Operating current: 0,35 A
Power: 18 W
Base: BY22d
Service life: ca. 10000 h
Threaded light aperture: 40 mm dia.
Fine thread for filter: M49
Dimensions: approx. 242x153x80 mm³
Weight: approx. 2,5 kg
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