EL-type:
The EL-type system is Electronic Measuring System for marine vessels and offshore installation.

It consists EL-F, EL-T sensors,
pleiger control modules (PCM),
pleiger control loops (PCL), etc.

PEL-type:The PEL-type system is Electro Pneumatic Measuring System for marine vessels and offshore installation.
It consists PEL-D2, PEL-C sensors,
pleiger control modules (PCM),
pleiger control loops (PCL), etc.

The software of the control system is PPC
(Pleiger Process Control System with functions of Tank level gauging,
water ingress detection and alarm annunciator).

The tank level measuring system is not approved for:- on passenger ship,
in case that the air purge pipe penetrates fuel and oil tanks below the tank top.- for cargo tanks on chemical and gas tankers as well as for cargo tanks carrying oils have flash points <60°C on oil tankers(not applicable for EL type).- for indication of high，high-high and low level alarms required only with independent measuring devices.