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7. Starting, operation
Specifications
Model SL-1
Pressure ranges
mbar
Over pressure safety
mbar
Pressure ranges
mbar
Type of Pressure
Materials
„
Wetted parts
Case
„
Power supply U
B
Signal output and
R
in Ohm
A
maximum ohmic load R
A
Adjustability zero/span
%
Insulation voltage
*
Use NEC Class 02 power supply (low voltage and low current max. 100 VA even
)
under fault conditions)
Accuracy **
)
% of span
**
Including non-linearity, hysteresis, zero point and full scale error (corresponds to
)
error of measurement per IEC 61298-2).
Adjusted in vertical mounting position with lower pressure connection.
Non-linearity
% of span
Non-repeatability
% of span
1-year stability
% of span
Permissible temperature of
Medium
Ambience
Storage
10
WIKA Operating instructions/Betriebsanleitung/Mode d'emploi SL-1
25
40
60
500
500
500
1000
1000
1000
Relative pressure
Stainless steel, silicon, aluminium, gold, silicone
Stainless steel
DC 10 ... 30 V (DC 14 ... 30 V with signal output 0 ... 10 V)
≤ (U
4 ... 20 mA, 2-wire
R
– 10 V) / 0.02 A
A
B
{0 ... 5 V, 3-wire}
R
> 5000
A
{0 ... 10 V, 3-wire}
R
> 10000
A
{other signal output on request}
±
5 using potentiometers inside the instrument
DC 500 V *
)
≤ 0.5
≤ 0.2
(BFSL) according to IEC 61298-2
≤ 0.1
≤ 0.3
(at reference conditions)
-30 ... +80 °C
-22 ... +176 °F
-20 ... +80 °C
-4 ... +176 °F
-40 ... +80 °C
-40 ... +176 °F
GB
7. Starting, operation
Specifications
Rated temperature range
Temperature coefficients within
rated temperature range
Mean TC of zero
„
„
Mean TC of range
RoHS-conformity
CE-conformitiy
Wiring protection
„
Short-circuit proofness
Reverse polarity protection
„
Weight
{ } Items in curved brackets are optional extras for additional price.
When designing your plant, take into account that the stated values (e.g.burst pressure,
over pressure safety) apply depending on the material, thread and sealing element used.
Functional test
The output signal must be proportional to the pressure. If not, this might point to a
damage of the diaphragm. In that case refer to chapter 10 „Troubleshooting".
„
Open pressure connections only after the system is without pressure!
!
„
Observe the ambient and working conditions outlined in section 7 „Technical
data".
Warning
„
Please make sure that the pressure transmitter is only used within the over-
load threshold limit at all times!
When touching the pressure transmitter, keep in mind that the surfaces of
the instrument components might get hot during operation.
Caution
WIKA Operating instructions/Betriebsanleitung/Mode d'emploi SL-1
Model SL-1
0 ... +80 °C
% of span
25 mbar: 0.5 / 10 K
40 mbar: 0.4 / 10 K
≤ 0.3 / 10 K
% of span
Yes
2004/108/EC, EN 61 326 Emission (Group 1, Class B) and Immunity
(industrial locations)
Sig+ towards 0V/Sig-
UB+ towards 0V/Sig-
kg
Approx. 0.3
GB
32 ... +176 °F
60 mbar: 0.3 / 10 K
11
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