Level sensors Type 745
| Remote
Control Type 745.1XXX Overview Principle of function Reed |
|
| Remote
Control Type 745.2XXX Overview Principle of function magnetostrictive |
|
| Remote
Control Type
745.20HDOA Overview Principle of function magnetostrictive |
|
Remote
Control Type 745.20HDOA
Typ 745.20HDOA
Neue Magnetostriktive Fernanzeige:
 | Ex d |
| digital |
| 2-Leiter 4...20 mA |
| optional HART Protokoll |
| einsetzbar in Zone 1 und 2 |
| Gehäuse Aluguss |
| Sensorrohr Edelstahl |
| Type | Data sheet |
Manual | ATEX- Certificates/ Conformity Declaration |
Description | Ex classification |
|---|---|---|---|---|---|
| 745.1XXX.2 |  PDF |
PDF |
Reed-Resistor-chain
5 / 10 / 15 mm resolution for Magnetic Level Gauge Type 710 |
||
| 745.1XX1.7 | PDF |
PDF |
Reed-Resistor-chain
5 / 10 / 15 mm resolution with built-in R/I-converter 2-wire 2-wire 4...20 mA for Magnetic Level Gauge Type 710 |
||
| 745.1XX2.X | PDF |
PDF |
ATEX
PDF
ATEX HART PDF |
Reed-Resistor-chain
5 / 10 / 15 mm resolution with built-in R/I-converter 2-wire 4...20 mA optional HART or Fieldbus for Magnetic Level Gauge Type 710 |
Ex i (only RI converter) |
| 745.2001 | PDF |
PDF |
Magnetostrictive sensor with high resolution 4-wire 4 - 20 mA for Magnetic Level Gauge Type 710 |
||
| 745.2002 | PDF |
PDF |
ATEX
PDF |
Magnetostrictive sensor with high resolution 2-wire 4 - 20 mA ffor Magnetic Level Gauge Type 710 |
Ex i |
| 745.20HDOA | PDF |
PDF |
ATEX
PDF |
Magnetostrictive sensor with high resolution 2-wire 4 - 20 mA optional HART protocol for Magnetic Level Gauge Type 710 |
Ex d |
Electrical level sensor for Magnetically operated level gauges
Type 710
and for all PHOENIX compatible magnetic level gauges present
on the market
The remote Control is actuated by the magnetic field of a magnet in
a float. The circuit is equivalent to a 3-wire potentiometer-pickoff.
Corresponding to the float's position within the magnetic gauge tube the Reed-switches are
actuated accordingly by the magnetic field. Those are tapering the resistor-chain
potentiometer without interruption.
The produced signal is discontinuous and proportional to the liquid level within the gauge tube.
Equivalent circuit
Magnetostrictive Level measurement
with ring magnet
with bar magnets
| © 2003-2008 by PHÖNIX Messtechnik GmbH, Design by KHO, letzte Aktualisierung: 20.11.08 |
