Simple, low cost, over head projectors, with sturdy, durable sheet metal body and critical parts / fittings of unbreakable moulded ABS plastic. Equipped with twin halogen lamps with a quick lamp changeover mechanism with a knob on the outside to allow uninterrupted use through spare lamp, if the lamp fails. The low voltage, high intensity, long life halogen lamps operating at 24V, provide bright, clear, superior quality projection. Other features include – switch providing two light intensity settings (DIM / BRIGHT); continuous cooling to the desirable level through heavy duty cross flow fans, can be made operational easily within minutes through foldable projector arm, fine focusing through rack and pinion mechanism. The optical system comprises high contrast, unifocal single element 90mm objective and projection platform of a clear Fresnel Lens for crisp images. Operates on 220-240VAC, 50Hz.
OHP, with 360 degree rotatable head and twin cooling fan for high performance cooling, twin halogen lamps of 250W each providing highly intense projection about 2000-2300 lumens, and projection platform of size 285×285mm, for use up to A4 sized transparencies. Also incorporates easy-to-open working top with a push lock mechanism and a safety interlock system that automatically cuts-off power with top open and allows for quick and safe replacement of lamps.