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Positioners
POSITIONERS
Pneumatic positioner type
A703
for membrane actuators
Pneumatic positioner type
A705
for piston actuators
Electropneumatic positioner type
A781
for membrane and rotary actuators
Type
A703
Function
Pneumatic positioner
Application
Device provides fast and accurate setting
of actuator piston rod position, depending on the real input signal value of the setter. It co-operates with pneumatic linear diaphragm-type actuators.
Travel of co-operating actuator
20 ... 100 mm
Input signal (control)
20 ... 100 kPa
Pneumatic output signal
0 ... 100% of supply pressure
Supply pressure
126 ... 600 kPa
Basic error
1.5%
Hysteresis
1%
Operating temperature range
-25°C ... +65°C
Sensitivity
0.06%
Operation characteristics
Linear, accelerating, delayeing
Additional error from ambient temperature change
0.5% / 10°C
Own air consumption
0.28 ... 0.43 kg/h
Casing protection degree
IP 54
DATA SHEET
A703
TECHNICAL DOC.
(IOM) A703
MANUFACTURER'S
DECLARATION A703