Samson 4763 - Technical Specifications and Certifications

EB 8359-2 EN 17
Design and principle of operation
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)
4 to 20mA (Ex) R
i
= 250Ω
2)
4 to 20mA (without explosion protection) R
i
= 200Ω
2)
0 to 20mA R
i
= 200Ω
2)
1 to 5mA R
i
= 880Ω
2)
Range spring See Table 1 on page31
Supply air 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
Signal pressure p
st
(output) Max. 0 to 6.0bar (0 to 90psi)
Characteristic Linear characteristic
Deviation from terminal-based conformity ≤1.5%
Hysteresis < 0.5%
Sensitivity < 0.1%
Direction of action Reversible
Proportional band Xp (at 1.4 bar
supply air)
1 to 3.0% with spring 1
1 to 2.0% with spring 2
1 to 1.5% with spring 3
Air consumption in steady state
(Xp = 1%)
With 1.4bar supply air: 0.19 m
n
³/h
With 6bar supply air: 0.5 m
n
³/h
Air output At Δp 1.4bar: 3.0 m
n
³/h
At Δp 6bar: 8.5 m
n
³/h
Transit time with Type3271
Actuator, “stem extends”
240cm² ≤ 1.8s
350cm² ≤ 2.5s
700cm² ≤ 10.0s
1)
The data listed in the certicate of conformity applies to the version with type of protection Ex ia IIC.
2)
R
i
= Coil resistance (at approx. 20°C) ± 7% tolerance
3)
Observe the limits in the certicate of conformity for explosion-protected versions.