Union Exposure Meter EM-2, an electronic control and exposure timing unit used in photographic or reprographic processing to measure and regulate light exposure for film and plate work. Designed to control shutter timing and monitor exposure levels using adjustable ASA speed and timing controls, it enabled accurate and repeatable photographic exposures in darkroom, printing and industrial imaging environments.
Used in photographic laboratories, printing works and technical imaging facilities prior to modern digital exposure and imaging systems; 1970s–1980s.
W20 x D21 x H9 cm.
Untested.
