Specifications model wu-1x – WIKA WU-16 User Manual
Page 7
2460160.06 GB/D/F/E 01/2010
12 WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio WU-1X
2460160.06 GB/D/F/E 01/2010
13
WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio WU-1X
Specifications
Model WU-1X
WU-10 / WU-15
WU-16
Pressure ranges
bar
4
7
10
16
25
40
60
100
160
250
400
psi
60
100
160
250
300
500
1000 1500 2000 3000 5000
Over pressure safety
1)
bar
8
14
20
32
50
80
120
200
320
500
500
Burst pressure
1)
bar
40
70
100
160
250
400
550
720
720
720
720
Other pressure ranges and pressure units (e.g. MPa, kg/cm
2
) on request
1)
1 bar = 14.50 psi
Measuring principle
Metal thin-film sensor
Materials
Wetted parts
2.4711 Elgiloy
®
(Sensor); 316L VIM/VAR (Pressure connection)
Case
Stainless steel
Surface finish
Electropolished, typical
Ra
≤ 0.18 µm (RA 7); Ra max ≤ 0.25 µm (RA 10)
Dead volume
WU-10 < 1500, WU-15 < 1000, WU-16 < 1000
Permissible Medium
Liquid / Gas / Vapour
Power supply U
B
U
B
in VDC
10 <
U
B
≤
30 (14 ... 30 V with output signal 0.1 ... 10.1 V and 0...10 V)
Capacitive load
µF
Max. 0.1 (Voltage output)
Max. current output
mA
< 1 Voltage output; Source
mA
< 30 Current output
Adjustability zero
% of span
± 5 via potentiometer
Response time (10 ... 90 %)
ms
≤
2
Dielectric strength
VDC
500
Accuracy
% of span
≤
0.25
for pressure ranges > 4 bar (BFSL)
% of span
≤
0.5
for pressure ranges
≤ 4 bar (BFSL)
% of span
≤
0.5
2)
for pressure ranges
> 4 bar
% of span
≤
1.0
2)
for pressure ranges
≤ 4 bar
Specifications
Model WU-1X
2)
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
≤
0.15 for pressure ranges > 4 bar (BFSL) according to IEC 61298-2
% of span
≤
0.3 for pressure ranges
≤ 4 bar (BFSL) according to IEC 61298-2
1-year stability
% of span
≤
0.2 (at reference conditions)
Permissible temperature of
Medium
-40 ... +100 °C
-40 ... +212 °F
Ambience
-20 ... +85 °C
-4 ... +185 °F
Storage
-40 ... +100 °C
-40 ... +212 °F
Compensated temp range
-20 ... +80 °C
-4 ... +176 °F
Temperature coefficients within
compensated temp range
Mean TC of zero
% of span
≤
0.1 / 10 K
Mean TC of range
% of span
≤
0.15 / 10 K
CE- conformitiy
Pressure equipment directive
97/23/EC
EMC directive
2004/108/EC, EN 61 326 Emission (Group 1, Class B) and
Immunity (industrial locations)
Directive ATEX of equipment
intended for use in potentially
explosive atmospheres
94/9/EC
Shock resistance
g
500 according to IEC 60068-2-27 (mechanical shock)
Vibration resistance
g
10 according to IEC 60068-2-6 (vibration under resonance)
Wiring protection
Short-circuit proofness
Sig+ towards U
B
- (short-time)
Reverse polarity protection
U
B
+ towards U
B
-
Weight
kg
Approx. 0.1
7. Starting, operation
GB
7. Starting, operation
GB