Trafag

Trafag advanced technology and precision manufacture guarantee faultless operation especially in applications where equipment features such as shock-resistance, vibration stability, electromagnetic compatibility, long-term stability or temperature insensibility are essential.

If you would like to find out more about these products or have any inquiry, please call us 0432 114 574 

The Trafag product portfolio includes pressure switches, sometimes referred to as pressostats, as well as pressure transmitters.

Technical Overview:
 

Trafag pressure transmitters are used for the electronic measurement and evaluation of pressure values. They are available in many different versions with regard to pressure and electrical connections, measurement procedures, electric output signals, and approvals (CE, Ex, Shipbuilding, Railways). Two different sensor technologies are available, namely thin-film-on-steel (weld-sealed design without O-rings) and thick-film-on-ceramic. Trafag also develops and manufactures products specifically to customer requirements.


Available Technologies:
 

Thin-film-on-steel

Measurement is effected according to the strain gauge principle. Through the force effect of the sample medium, the strain gauge bridge is deformed, changing its electrical characteristics.

Features:
 Very good long-term stability
 Ability to endure elevated medium temperatures
 Completely weld-sealed sensor system made of stainless steel without   O-rings
 Very high resistance to overpressure; ideal for rated values up to 2000 bar
 

 

Thick-film-on-ceramic

Measurement is effected according to the strain gauge principle. Through the force effect of the sample medium, the strain gauge bridge is deformed, changing its electrical characteristics.

Features:
 Resistant to aggressive media
 Ideal for low-pressure ranges
 Sealed with an O-ring
 

 

Piezo-resistive systems

If a force is applied to a silicone crystal, this will change its specific electrical resistivity. In the piezo-resistive process, pressure is indirectly transferred to the silicone crystal via a diaphragm backfilled with silicone oil.

Features:
 Ideal for very low pressure ranges
 Large degree of freedom in arrangement of pressure connections (e.g.   front-flush diaphragms)
 

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