The LEM system is designed to sample the liquid effluents and to perform a spectroscopic analysis 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, expressed in terms of specific/total activity through spectroscopic analysis.
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.
(*) If not available in the sampling/hydraulic equipment which LEM shall be connected to
