355 datasheet(2/6 Pages) MAGNETROL

2 / 6 page

355

Housing Covers

TOP LEFT: Cast aluminum with

a tempered glass window for XP

approval. TOP RIGHT: Lexan®

plastic with a transparent cover.

Electronics Module

ABOVE: Module as positioned

in compartment shows LCD

and four-button keypad.

Housing Compartment

Shown in aluminum; available

in Lexan. Contains field wiring

compartment and electronics.

O-Ring

Aluminum Housing: Viton®

Lexan® Housing: Buna-N

Echotel

® Model 355 is a two-wire,

loop-powered, non-contact ultrasonic

transmitter that performs liquid level,

volume, and open channel flow

measurement. A powerful 60 kHz

ultrasonic transducer and advanced

digital signal processing is featured

to reliably measure out to a 20 foot

(6 meter) maximum range.

The Model 355 provides unsur-

passed ease of configuration with

either the menu-driven 4-pushbut-

ton, 2-line

× 16-character display,

HART

digital communications, or

PACTware™. The latter enables a

complete configuration via the local

user interface, or remotely with the

added capability of capturing echo

waveforms, and viewing trend data,

diagnostic conditions and all trans-

mitter configuration parameters.

Operating Principle

Measurement is obtained by

emitting an ultrasonic pulse from

the transducer and measuring

the time required for the echo to

reflect from the liquid surface

and return to the transducer.

U L T R A S O N I C

T R A N S M I T T E R

The Model 355

with a Lexan®

housing and

polypropylene

transducer; and

a 355 with an

XP aluminum

housing and

a Kynar®

transducer.

Piezoelectric

Crystal Assembly

Transducer Board

Transducer Shown in Kynar;

available in polypropylene.

355 Scheda tecnica(PDF) 2 Page - Magnetrol International, Inc.

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