TOF Electron Multipliers
Our TOF detectors offer an outstanding
combination of performance characteristics.
They eliminate the compromises of previous
TOF designs while delivering up to 2.5V pulse dynamic range. Pulse widths
available from 2.5ns to 0.5ns.
Detectors designs include both magnetic and
discrete dynode technologies.
Capacitor decoupling technology offered which
allows a <500ps pulse to be processed with minimal impact on peak shape and
line ringing.
Detectors are bespoke, custom designs to be
optimized for every system. Please contact our experts to design electron multipliers based on your instrument requirements
3rd Item Number
Electron-Multiplier_TOF-MS
RoHS Compliance
With exemptions 6C-1, 7C-1
att application
TOF-MS
Number of dynodes
25
Ambient temperature
+5°C
to +40°C (15°C to 28°C for magnetic detectors) for
normal operation
Maximum Dark Counts
20 counts per minute @ Gain ~ 10⁸ (measured after 24 hr vacuum soak @ 6 x 10ˉ⁶ Torr)
500 counts per minute @ Gain ~ 10⁸ (measured @ 6 x 10ˉ⁶ Torr immediately after pumpdown)
Maximum dark current
1 pA @ Gain ~ 10⁸
(measured @ 6 x 10ˉ⁶ Torr immediately after pumpdown)
Pulse linear response
500 mV to 2.5V into 50 Ω
Maximum operating pressure
10-4 Torr
Maximum storage temperature
70°C
Final Operating Voltage (aged)
-3000V to -4500V
Note: Operating a new detector at maximum voltage ay result in damage to the detector
Initial Operating Voltage (new)
~-1500V to ~-2500 V
Long/short term storage requirements
Protect from dust and humidity
Pulse width for single ion event (FWHM)
0.5ns to < 2.5 ns
Maximum sustained output current for linear operation
6 μA to 30 μA