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Replacement Circuit Board for Tube Holder

Replacement Circuit Board for Tube Holder

Brand
3B Scientific
Manufacturer
N/A
Part Number
4008573
GTIN
755984441683
Condition
Product Description

The quality of the electron beam in electron diffraction tube is affected by the resistance between sockets C5 (cathode) and F4 (heating filament) on the tube. For optimum results, the resistance needs to be 390 kOhm. Tube holder is accordingly designed such that this resistance is present. Older designs feature a much smaller resistance and need to be modified in order to work with the S-series electron deflection tube 1013889.

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