Model 8007 and 8008 electro-pneumatic transducers convert a low-power DC oportional pneumatic 7-to-1035 mbar (3-to-15 psi),or 414-to-2070 mbar (6-to-30psi) range, as appropriate.They are of the force balance type.Generally speaking, a Model 8007 is used by a pneumatic positioner or a supply relay of the volumebooster type.
Model 8008 is fitted with a relay, which allows the transducer output ly control a valve pneumatic actuator.These transducers are either direct or reverse action. Action direction can be changed very easily, reversing the connections of the the terminal board.These transducers can be installed in several positions without affecting their operation, and they are not sensitive to radio waves.