EB 8359-1 EN
5
Type 4765 Positioner
Travel range
7.5 to 60 mm, with 90 mm lever extension
Reference variable
Split-range 0 to 50 %
and 50 to 100 %
(up to 50 mm travel)
0.2 to 1 bar
0.2 to 0.6 bar and 0.6 to 1 bar
Range spring
See table on page 13
Supply air
1.4 to 6 bar (20 to 90 psi)
Output signal pressure p
st
Max. 0 to 6 bar (0 to 90 psi)
Characteristic
Linear · Deviation from terminal-based conformity:
£
1.5 %
Hysteresis
< 0.5 %
Sensitivity
< 0.1 %
Operating direction
Reversible
Proportional band X
p
(at 1.4 bar supply air)
1 to 3 %
with spring 1 or 2
1 to 1.5 % with spring 3
Air consumption in
steady state, X
p
= 1 %
With 1.4 bar supply air: 0.13
m
n
³/h
With 6 bar supply air: 0.33 m
n
³/h
Air output capacity
At
D
p 1.4 bar: 3.0 m
n
³/h
At
D
p 6 bar: 8.5 m
n
³/h
Transit time for Type 3271 Actuator
“Stem extends”
240 cm²:
£
1.8 s · 350 cm²:
£
2.5 s · 700 cm²:
£
10 s
Permissible ambient temperature
–20 to +80 °C · Extended temperature range on request
Influences
Temperature < 0.02 %/1 K
Supply air
< 0.2 %/0.1 bar
Effect when turned by 180°: < 3.5 %
Degree of protection
IP 54 · Special version IP 65
Weight
Approx. 1.1 kg
Materials
Housing: Die-cast aluminum, chromated and plastic-coated
External parts: Stainless steel
