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