Specification Data; Specifications - GE Masoneilan 4700P Maintenance Manual

Specifications

Specification Data

Item
Type
Action
Characteristics
Maximum Air
Consumption
Temperature Effects
Span Error (Typical)
Supply Pressure
Influence
Maximum Air
Supply Rating
Connections
Weight
© 2015 General Electric Company. All rights reserved
Table 7: Specification Data
Cam feedback, pneumatic, force balanced; electropneumatic positioner
uses current to pneumatic converter to generate pneumatic operating sig-
nal
Direct: increasing signal increases output reverse: increasing signal
decreases output
Note: Reverse action is available only on the 4700P/4800P Pneumatic
Positioner
Linear
Equal Percentage
Custom
0.3 scf/min - 25 psig supply (4700)
0.5 scf/min - 25 psig supply (4800)
Temp Range (°C)
-40 to -20
-20 to +60
+60 to +85
Less than 0.25% stroke change per psi supply change
Dictated by actuator, but never greater than 100 psig
Pneumatic: 1/4" NPT (4700) or 3/8" (4800)
Electrical: 1/2" NPT or M20
4700P: 3.5 lbs (1.6 kg); 4800P: 4.2 lbs (1.9 kg)
4700E: 4.7 lbs (2.1 kg); 4800E: 5.3 lbs (2.4 kg)
.
Description
Error
.31% per °C
.06% per °C
.11% per °C
Masoneilan 4700P/E & 4800P/E Positioners Manual =| 75