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ID = 51132
Tube type:  Photomultiplier 
Identical to 7200

Filament No heater

Nine-stage, side-on type having S-19 response. Wavelength of maximum spectral response is 3300 +/- 500 angstroms.  Makes use of cesium-antimony dynodes and a cesium-antimony, opaque photocathode. The window material is fused silica. Has a non-hygroscopic base. 

Dimensions (WHD)
incl. pins / tip
33 x 145 x mm / 1.30 x 5.71 x inch
Weight 51 g / 1.80 oz
Information source - - Manufacturers Literature   RCA Phototubes and Photocells PT-60

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