Three main components:
CRLG/C pressure water column;
CRLG/E electronic metering, monitoring and transmission unit;
CRLG/P conductivity electrode

Very reliable (provide easy remote signal transmission)
No moving parts
No need for periodic maintenance
Easy installation
No need for calibration and start-up
Not influenced by load and ambient temperature variation
The electrodes hydrostatic seals are made of graphite
Redundant connection between electrodes and electronic unit
Electronic unit with double redundant power supply
Separate fully independent analog measuring circuit for each electrode
Two digital monitors
Two process alarms
Totally impervious to electromagnetic radiations