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7. Starting, operation
Operate the level probe with a shielded cable and earth the shield at least on one
side of the cable, if the cable is longer than 30m (2-wire), or if it is run outside of the
building.
There mus be no differences in potential between medium/tank and the grounding of
the junction box and the control cabinet when the shield of the cable is applied.
Ingress protection per IEC 60529
Please make sure that the ends of cables with flying leads do not allow any ingress of
moisture.
With a line transformer you realise the mandatory galvanic isolation of the voltage
and current supply between hazardous and non-hazardous areas and ensure the
safety connection data.
Power supply
UB+/Sig+
Positive supply / measurement connection
OV/Sig-
Negative supply / measurement connection
Flying leads, conducter cross
section up
to max. 0.25 mm ²/AWG 24 with
end splices, conducter outer
diameter 7.5 mm,
IP 68 (Please note "Over pressure
safety" in Chapter 7 Specification)
10
WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio
Load (e.g. display)
-wire
Non hazardous
Hazardous
area
(classified) area
brown
green
Screen/case, grey
GB
7. Starting, operation
Specifications
Pressure ranges
Over pressure safety
Burst pressure
Pressure ranges
Over pressure safety
Burst pressure
Materials
Wetted parts
»
Cable
»
Protection cap
Case
Internal transmission fluid
Power supply U
B
Signal output and
maximum ohmic load R
A
Insulation voltage
Accuracy
Non-linearity
Non-repeatability
1-year stability
Permissible temperature of
Medium
3) 4) 5)
IL-10
WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio
Model IL-10
bar
0.1
0.16
0.25
bar
1
1.5
2
bar
2
2
2.4
bar
1.6
2.5
4
bar
10
10
17
bar
12
12
20.5
PUR {FEP up to 10 bar}
Stainless steel {Hastelloy}
Stainless steel {Hastelloy}
Synthetic oil
≤
U
in VDC
10 < U
30
B
B
4 ... 20 mA, 2-wire
R
in Ohm
R
≤ (U
– 10 V) / 0.02 A - (length of flying leads in m x 0.14 Ohm)
A
A
B
Insulation complies with EN 50020, 6.4, 12
≤
% of span
0.25
{0.125}
1)
(BFSL)
≤
0.5
{0.25}
2)
1) 2)
Accuracy { } for pressure ranges ≥ 0.25 bar
1)
Including non-linearity, hysteresis, zero point and full scale error (corresponds to
2)
error of measurement per IEC 61298-2).
Adjusted in vertical mounting position with lower pressure connection.
% of span
≤
0.2
(BFSL) according to IEC 61298-2
% of span
≤
0.1
≤
% of span
0.2
(at reference conditions)
-10 ... +60 °C
GB
0.4
0.6
1
2
4
5
2.4
4.8
6
6
10
16
25
35
35
35
35
42
42
42
42
-14 ... +140 °F
11
IL-10
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