English
The manual is for the Beckman Instruments Inc. Model 6147 Universal EPUT & Timer, a device designed for various measurements like frequency, period, time interval, and frequency ratio. Published in November 1963, it details features such as an electroluminescent display, multiple period setting for period measurement accuracy, and a latch and follow function for the display. The manual also covers specifications, applications in different fields, accessories available, and operating instructions.
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