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ID = 48089
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Photocell Gas filled 
Identical to 928 = CE28

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Technology / Measurement

Non-directional type having S-1 response. Wavelength of maximum spectral response is 8000 +/- 1000 angstroms. Makes use of a cylindrical-mesh photocathode, and has a direct interelectrode capacitance of 3 picofarads. T9 bulb.

Dimensions (WHD)
incl. pins / tip
30 x 65 x mm / 1.18 x 2.56 x inch
Weight 28 g / 0.99 oz
Information source - - Manufacturers Literature   RCA Phototubes and Photocells PT-60

928: RCA Phototubes 1941
David Erali

928_sock.png 928: elektron taschenbuch 1952
Heinz Höger

Just Qvigstad
928: RCA
Patrice Zeissloff

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