© Siemens AG 2008

SITRANS P measuring instruments for pressure

Transmitters for gage, absolute and differential pressure

Z series for gage pressure

Overview

2

Design

The main components of the pressure transmitter are:

Brass housing with silicon measuring cell and electronics plate

Process connection

Electrical connection

SITRANS P pressure transmitters, Z series for gage pressure (7MF1562-...)

The SITRANS P pressure transmitter, Z series (7MF1562-...), measures the gage pressure of aggressive and non-aggressive gases, liquids and vapors.

The silicon measuring cell has a thin-film strain gage which is mounted on a ceramic diaphragm. The ceramic diaphragm can also be used for aggressive media.

The process connection to DIN EN 837-1 is made of brass and has a male thread G½B or a female thread G1/8B.

The electrical connection is made using a plug to DIN 43650 with a M16x1.5 cable inlet.

Function

The pressure transmitters of the Z series for gage pressure mea- sure the pressure of aggressive and non-aggressive gases, liquids and vapors.

The measuring cell is temperature-compensated.

Mode of operation

Benefits

High measuring accuracy

Sturdy brass housing

For aggressive and non-aggressive media

For measuring the pressure of liquids, gases and vapor

Temperature-compensated measuring cell

Compact design

Application

The pressure transmitter of the Z series for gage pressure (7MF1562-...) is used above all in the following industrial areas:

Power engineering

Mechanical engineering

Shipbuilding

Water supply etc.

A concrete application example is the measurement of com- pressed air containing oil in compressors or compressor sta- tions.

U

const.

p

U

I

I0, UB

 

 

 

SITRANS P pressure transmitters, Z series (7MF1562-...), functional dia- gram

The thin-film measuring cell has a thin-film resistance bridge at which the operating pressure p is transmitted through a ceramic diaphragm.

The measuring cell output voltage is fed to an amplifier and con- verted into an output current of 4 to 20 mA. The output current is linearly proportional to the input pressure.

2/4

Siemens FI 01 · 2009

Page 4
Image 4
Siemens P Transmitters for gage, absolute and differential pressure, Series for gage pressure, Mode of operation