Electropneumatic positioner 3908** - KFM

Electropneumatic positioner – 3908..

Input signal: 4…20 mA, 4…12 mA and 12…20 mA, two-wire system with reverse polarity protection

Air supply: Acc. to ISO 8573-1:

– Maximum particle size and density: class 2 for SRI990, class 4 for 3725

– Oil contents: class 3

– Pressure dew point: class 3 or at least 10 K below ambient temperature

Air supply pressure: 1,4…6 bar (20…90 psi)

Output signal: 0…100% air supply pressure

Characteristic: Linear

Air connection: G 1/4″ acc. to ISO 228

Operating direction: Reversible

Factory setting: direct (increasing input => increasing output)

Max. ambient temperature: -40 … 80 °C

Protection class: IP 65/IP 66

Explosion protection: II 2 G EEx ia IIC T6 (Standard) / II 2 G Ex ia IIC T4 (Option)

Original: KFM – Germany

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