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Electron multiplier

R6985-80

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With Conversion Dynode, Off-axis Structure, For Gas / Liquid QMS (Quadruple Mass Spectrometry)

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Specifications

Dynode Stages 19
Dynode Structure Linear focused
Dynode Material Al2O3
Input Aperture Diameter φ11 mm
Supply Voltage 1900 v
Gain Typ. 1.0 x 106
Rise Time Typ. 4.5 ns
Anode to All Other Electrode Capacitance 1.8 pF
Anode to First Dynode Voltage 3000 V
Anode to Last Dynode Voltage 150 V
Average Anode Current 10 μA
Operating Vacuum Level 1 x 10-2 Pa

Dimensional outlines (Unit mm)

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