Made at the MELZ factory in the 80s of the USSR

D - is the arc type of discharge.

R - mercury

S - spectral lamp

50 - power in watts

Arc mercury spectral lamps DRS 50 are used for laboratory work “Studying the spectra of a mercury atom, calibrating the spectrometer, Studying the external photoelectric effect and determining the Planck constant” and others. They are used in fluorometers FM-1, FM-2

Lamp voltage 55V,

Power 50W,

brightness 1000knt,

service life 300h,

current through a 1.2A inductor,

filling - mercury,

wavelength in the visible region 365nm,

ultraviolet envelope 253.7nm.

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Shipping time - 20-30 days

Item will be shipped immediately after payment.
Thing will be securely packed.
Delivery from Ukraine by postal service.

Thanks for looking!