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CNPA-H basic parameters

Overall dimensions (with ports and connectors) 169 x 387 x 428 mm
NPA body overall dimensions 169 x 302 x 326 mm
Weight 42.5 kg
Number of energy channels  40 (in one row)
Acceleration voltage*)

0 kV

+10 kV
Minimal Ho energy 11.5 keV 0.82 keV
Maximal Ho energy 168 keV 158 keV
Energy dynamic range
(Emax/Emin, measured simultaneously)
14.6 192.7
Energy width of the channels 8.9 - 5.5 %
(11.5 - 168 keV)
 98.8 - 5.8 %
(0.82 - 158 keV)
Detection efficiency 2.7×10-2- 0.4
(11.5 -168 keV)
1.1×10-3- 0.4
(0.82 - 158 keV)
Mass suppression (H/D) 10-3
Diamond-like carbon stripping foil thickness 50 angstrom
Detectors Channel Electron Multipliers series KBL
Maximum allowed D-D neutron flux at NPA location (w/o shielding) 1x107 neutrons/cm2/s
Maximum allowed stray magnetic field at NPA location 5 mT

______________________________
*) To provide the neutral particle measurements within thermal energy range down to 0.82 keV the acceleration voltage + 10 kV is applied.


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