LEM

LEM
LIQUID EFFLUENT MONITORING SYSTEM

The LEM system allows to sample the liquid effluents and to perform a gross gamma measurement of the specific activity in Marinelli geometry. 

LEM system is composed of the following main parts:

  • Stainless steel frame
  • Electrical and command board with touch-screen panel PC
  • NaI(Tl) detector, 1 l Marinelli, 5 cm thick lead shielding well
  • Self-priming pump
  • Software for system management, data acquisition and processing

The measurements are visualised in real time by the software, in terms of specific/total activity or count rate/integrated counts.

LEM status and parameters are managed by the ELSE NUCLEAR software. 

 
The system provides also I/O contacts through dedicated connectors:

  • Good functioning status output
  • Alarm status output
  • Pump activation input from customer PLC
  • Spare available I/O contacts (to be defined when necessary)

The software provides a calibration routine, to be used with a Marinelli calibration source (available as accessory).

A test program is also available, separate from the main application, to be used for maintenance or periodical quality controls.


Additional Info

  • Main features:
    • Fully customizable sampling cycle
    • Simple and reliable effluent monitor
    • I/O contacts for status and commands
    • 1 liter Marinelli beaker measurement geometry
    • 2”x2” Nal(Tl) scintillator
    • Lead shielding well
    • Panel PC and relay contacts for I/O signals
    • Efficiency calibration function for reference radionuclide
Published in Liquid and gas effluent monitors
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