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XENON Ultrahigh Pressure Mercury Light Bulb UV 250W Lomo-Zeiss USSR DRSH 250-3
Spherical mercury-quartz lamps of ultrahigh pressure like DRSh are powerful, concentrated sources in the visible and ultra-violet spectrum. These lamps are used in optical devices (microscopes) and for laboratory light sources; power is from DRSh 250-3 at 50Hz.
Supply Voltage- 220v with a lamp current of 4A, voltage drop across the lamp is 93v giving a power of 250w.
This lamp came from Kiev in the Ukarine, complete with the original instructions for its use and appliction (in Russian).
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