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NPA-2019™

Ion Chamber Amplifier

Ion Chamber Amplifier for use in a nuclear power reactor. It is designed to mount in a standard 483 mm (19") mounting rack.

Tag Features

  • MTBF (mean time between failures) = 25, 697 hours (at 35 °C)
  • Good noise immunity
  • Selectable signal gains
  • Integral high voltage power supply for attached ion chamber
  • Adjustable log outputs
  • Rugged construction
  • Class 1E Qualifications:
    • EMI/EMC per IEC 61000-4-2 monitoring
    • 24 hours at 85% relative humidity
    • Seismic per IEEE344

Description

The Model NPA-2019 unit is an Ion Chamber Amplifier designed for use in a nuclear power reactor. The device consists of a log and linear amplifier, a rate amplifier, buffer amplifiers, alarm trips, and a high-voltage tel/-tale circuit, aI/ housed in a nuclear safety qualified drawer. It is designed to mount in a standard 483 mm (19") mounting rack.

Applications

  • Nuclear reactor control or safety shutdown systems using ion chambers
  • Ex-core neutron flux monitoring

Options

  • 220/230 VAC, 50/55 Hz power versions
  • Custom terminations available

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