Function - WIKA E-10 Mode D'emploi

3. Signs, symbols and abbreviations / 4. Function
FM, Factory Mutual
The product was tested and certified by FM Approvals. It complies with the applicable
US-American standards on safety (including explosion protection).
CSA, Canadian Standard Association
The product was tested and certified by CSA International. It complies with the
applicable Canadian and US-American standards on safety (including explosion
protection).
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.

4. Function

E-10: Pressure connection (explosion proof) with internal diaphragm (standard version).
E-11: Pressure connection with flush diaphragm (explosion proof) for highly viscous or solids
entrained media which might clog the pressure port.
Function
The pressure prevailing within the application is transformed into a standardised electrical signal
through the deflection of the diaphragm, which acts on the sensor element with the power supply
fed to the transmitter. This electric signal changes in proportion to the pressure and can be evalu-
ated correspondingly
WIKA operating instructions, models E-10, E-11
US
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