Magnetic Shield Cases E989 Series Photomultiplier tubes extremely

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Magnetic Shield Cases E989 Series Photomultiplier tubes extremely

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Magnetic Shield Cases
Magnetic Shield Cases E989 Series
Photomultiplier tubes extremely sensitive magnetic fields exhibit output variations even from sources such terrestrial magnetism. Hamamatsu E989 series magnetic shield cases designed specifically protect photomultiplier tubes from influence such magnetic fields. E989 series uses permalloy, material that extremely high permeability (approximately 105). magnetic field intensity within shield case attenuated from 1/1000 1/10000 that outside shield case (this ratio called shielding factor). E989 series ensures stable output photomultiplier tubes operating proximity magnetic fields.
TACCF0093
Features
Made high-permeability permalloy (Ni: others: Various sizes available with inner diameters from Lusterless black paint finish
Specifications
Photomultiplier Tube Diameter (1/2") Side-on (1-1/8") (3/8") (1/2") (3/4") (1") (1-1/8") Head-on (1-1/2") (2") (3") (5") Type E989-10 E989 E989-28 E989-09 E989-02 E989-39 E989-03 E989-04 E989-05 E989-15 E989-26 Internal Dia. Thickness (mm) Length (mm) 14.5 33.6 +1.5 Weight
Photomultiplier tubes with coating extending base portion cannot used. Please consult sales offices details.
Dimensional Outlines (Unit:
E989
120°
E989-02 -05, -09*, -39*
120°
E989-10
E989-15
E989-26
E989-28
3-No.5 40UNC
22.0 18.0
R35.0
47.0
3-M2.6
60.0
68.0
mounting hole provided E989-09 E989-39.
TACCA0118EA TACCA0119EC TACCA0120EC TACCA0121EC TACCA0122EC
TACCA0117EB
48.0
14.5
80.0+1.5 138.0
12.0
33.6

Magnetic Shield Cases E989 Series Photomultiplier tubes extremely

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