Wika WU-26 Manuel d'utilisateur télécharger pdf (Page 5)

5WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio, WU-2X

11553678.02 GB/D/F/E 10/2012

3. Signs and symbols / 4. Function

2-wire Two connection lines are intended for the voltage supply.

The supply current is the measurement signal.

3-wire Two connection lines are intended for the voltage supply.

One connection line is intended for the measurement signal.

U+ Positive supply connection

U- Negative supply connection

S+ Positive measurement connection

4. Function

Ultra High Purity Transducer

WU-20: Single End

WU-25: Flow Through

WU-26: Modular Surface Mount

Function: The pressure prevailing within the application is transformed into a standardised electrical signal

through the deection of the diaphragm, which acts on the sensor element with the power supply fed to the

transducer. This electric signal changes in proportion to the pressure and can be evaluated correspondingly

ATEX

The product complies with the

requirements of the European directive

94/9/EC on explosion protection.

Direct voltage

For transducer with FM (Factory

Mutual) marking:

The product was tested and certied

by FM Approvals. It complies with the

applicable US-American standards

on safety (including explosion protec-

tion).

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Wika WU-26 Manuel d'utilisateur Page 5