Specifically Designed for Pulse Counting Applications
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[1]
Photonis 5901 MAGNUM™ Multiplier (SIS Part #31984)
For use on instruments:
VSW Mass Analyst Quadrupole
Notes: Pulsed counting.
Warranty:
Photonis Channeltrons(R) are designed and manufactured to the highest
standards in the world. It is warranted against all defects
in materials and workmanship for one year after installation.
In addition, if you install your Channeltron(R) electron
multiplier and are not completely satisfied with its performance,
return it promptly for replacement or refund.
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The BURLE Magnum Electron Multiplier™ has exceptional performance to achieve optimum resolution, dynamic range, and detection sensitivity for Pulse counting applications involving the detection of charged particles and electro-magnetic radiation.
The sensitivity of your measurement is often limited by the detector. Benefiting from our exclusive SPIRALTRON. technology, BURLE's MAGNUM Mass Spectrometer detector provides the highest dynamic range in the industry, as well as delivering increased gain stability and extremely low noise. The SPIRALTRON. technology incorporates six individual spiral multiplier channels, fed by a single integral ion collection aperture. The high degree of channel curvature ensures that ion feedback noise is virtually eliminated.
Distributing the secondary electron generation over six separate multiplier channels increases the linear output current and maximum count rate, while promoting longer detector life. BURLE¡¦s proprietary glass formulation provides the industry¡¦s longest detector life. The single piece construction eliminates fastener and connection problems.
BURLE's replaceable Magnum 5901 cartridge can be installed quickly with the minimum of instrument down time. Each cartridge is specifically designed to be an exact replacement for the original detector cartridge.
The detector is also available with attached leads for prototyping applications.
High resolution, dynamic range improvements, and superior sensitivity, all from the world's largest supplier of standard, retrofit and custom detectors for mass spectrometry.
| SPECIFICATIONS | |
|---|---|
| Operating Voltage | 1200 - 3000 VDC |
| Gain (typical) | 5 X 10E7 @ 2500V |
| Pulse Height Resolution (typical) | 70% FWHM Maximum @ 3000V |
| Background Noise (typical value after degassing) | <3x10-13 amps @3000V |
| Output Dark Pulses (typical value after degassing) | < 0.1 count/sec @3000V |
| Resistance | 20 - 40 MΩ @ room temperature |
| Linear Output Current | 20 micro-amps min. |
| Operating Temperature Range | -50° to +100 °C |
| Maximum Vacuum Bake Temperature (non operating) | 380 °C |
| Vacuum | 7x10-4 torr max. pressure |
Detector Configuration
Features
Copyright 2002 by BURLE Technologies, Inc. All rights reserved. MAGNUMTM, MAGNUMTM ELECTRON MULTIPLIER and SPIRALTRONTM
 Yttria coated filament at start |
 Yttria coated filament after 16,000 cycles |
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