UDI-1B

Iodine monitor

Automated continuous monitoring of volumetric activity of gamma emitting nuclides of Iodine (I-131, I-132, I-133, I-135) in occupational air and ventilation ducts and pipes of nuclear, chemical and general industry facilities.

Features:

  • Two scintillator detectors (one for measuring, one for gamma background compensation).
  • Two modes of measuring performed simultaneously: 
    • real time data (instant value, sampling rate: 20 ÷ 600 seconds)
    • accumulation mode (volumetric activity accumulation time – up to 24 hours)
  • Sound alarm: 85 ÷ 100 dB on 1 m distance. Sound muting button.
  • Visual alarm: green – yellow – red lights.
  • Four lines local display representing measured parameters and current status.
  • Provision to connect BAS-type external alarm unit.
  • Control of external units such as electromagnetic valves, pumps, etc. (up to 5 relay outputs).
  • Communication with upper level control systems via Ethernet and RS-485.
  • 4-20 mA analog output (optional).
  • Parameters configuration, alarm thresholds setting and archive reading via connected PC using the “Configurator” software (RS-232 interface).
  • Periodic functional tests using check source.
  • Internal air-flow meter to measure the volume of air pumped through the filter.
  • Unattended mode of operation, except the filter replacement.
  • Filter type: sorbent cartridge. Filter replacement interval – 3 months (at normal conditions).

VERSIONS:

  • stationary;
  • stationary with BN-01 pumping unit;
  • mobile with BN-01 pumping unit.

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