LEM

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