Technical Data - Samson 4763 Mounting And Operating Instructions

3.2 Technical data

Controlled variable (travel range) 7.5 to 60 mm, with lever extension: 7.5 to 90 mm
Reference variable
1)
Split-range 0 to 50 % or
50 to 100 %
reference variable span
(up to 50 mm travel)
Range spring
Supply air
Signal pressure p (output)
st
Characteristic
Hysteresis
Sensitivity
Direction of action
Proportional band Xp (at 1.4 bar
supply air)
Air consumption in steady state
(Xp = 1 %)
Air output
Transit time with Type 3271
Actuator, "stem extends"
The data listed in the certificate of conformity applies to the version with type of protection Ex ia IIC.
1)
R = Coil resistance (at approx. 20 °C) ± 7 % tolerance
2)
i
Observe the limits in the certificate of conformity for explosion-protected versions.
3)
EB 8359-2 EN
4 to 20 mA (Ex)
4 to 20 mA (without explosion protection)
0 to 20 mA
1 to 5 mA
See Table 1 on page 31
Supply air: 1.4 to 6 bar (20 to 90 psi)
Air quality acc. to ISO 8573-1: max. particle size and density:
Class 4
Oil content: Class 3 · Pressure dew point: Class 3
Max. 0 to 6.0 bar (0 to 90 psi)
Linear characteristic
Deviation from terminal-based conformity ≤1.5 %
< 0.5 %
< 0.1 %
Reversible
1 to 3.0 % with spring 1
1 to 2.0 % with spring 2
1 to 1.5 % with spring 3
With 1.4 bar supply air: 0.19 m
With 6 bar supply air: 0.5 m
At Δp 1.4 bar: 3.0 m
At Δp 6 bar: 8.5 m ³/h
n
240 cm² ≤ 1.8 s
350 cm² ≤ 2.5 s
700 cm² ≤ 10.0 s
Design and principle of operation
³/h
n
³/h
n
³/h
n
R = 250 Ω
2)
i
R = 200 Ω
2)
i
R = 200 Ω
2)
i
R = 880 Ω
2)
i
17