Sorry, this page is not translated yet. Automatic translation used.
The time relay on silhouette transistors was supposedly produced since 1979 by the Tushino Engineering Plant.
,8caa42f5a9df53968033bf99609e44f6
It is used for semi-automatic dosing of excerpts (control of the lamp burning time) of the enlarger with contact or projection photo printing.
,8caa42f5a9df53968033bf99609e44f6
Thanks to automatic exposure, the same exposure of the prints is obtained and the developed images have the same contrast and light or color saturation.
,8caa42f5a9df53968033bf99609e44f6
Also, the relay allows you to control the light (red lamp).
,8caa42f5a9df53968033bf99609e44f6
Transistor circuitry.
,8caa42f5a9df53968033bf99609e44f6
The shutter speed range is 10-100 seconds.
,8caa42f5a9df53968033bf99609e44f6
Installation accuracy 1 sec.
,8caa42f5a9df53968033bf99609e44f6
The maximum lamp power of the magnifier is 100 watts.
,8caa42f5a9df53968033bf99609e44f6
Power supply - 220 V.
,8caa42f5a9df53968033bf99609e44f6
,null,ru,null,null,null,null