SMERI PLUR Series, User Manual, Page: 3 / 25

- 3 -
1. Introduction
1.1 Application
The PLUR series is an enhanced remote ultrasonic level meter for
continuous non-contact level measurement in liquids and solids. It
consists of probe and host, both of which are plastic leak-proof
structure. This series can be widely applied to the metallurgical,
chemical, electricity and oil industries.
1.2 Features
PLUR series is capable of the following functions:

Measuring range up to 40m (in liquid);

Excellent anti-interference capability;

Clear display with Graphical LCD(with backlight) ;

The cable length between probe and host up to 1000m;

The probe with leak-proof structure and IP68 protect grade;

Chemically resistant probe materials for maximum application
flexibility;

Provided 4-20mA output and RS485 serial communication
(MODBUS-RTU) output;

Provided programmable 6 relays at most for alarms;

Three button for programming or remote control for easy
configuration and operation
（
opt.
）
;
1.3 Structure
The PLUR series consists of a probe and a host. The remote control is
optional.