Tabla de contenido
Publicidad
Idiomas disponibles
Idiomas disponibles
7. Starting, operation
Wiring details
Bayonet connector,
Circular connector
4-pin
M12x1, 4-pin
not possible with ATEX
2-wire
U+ = A U- = D
U+ = 1 U- = 3
3-wire
U+ = A U- = D S+ = B U+ = 1 U- = 3 S+ = 4 U+ = red U- = black
Wire gauge
-
-
Diameter of
-
-
cable
Ingress
Protection
IP 67 (NEMA 4)
IP 67 (NEMA 4)
per IEC 60 529
The ingress protection classes specified only apply while the pressure transmitter is connected
with female connectors that provide the corresponding ingress protection.
12
WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio WU-2X
GB
Flying leads,
Sub-D HD connector,
1.5 m
15-pin
not possible with
ATEX
U- = 5
U+ = red U- = black
U+ = 7
U- = 12
S+ =
U- = 5
U+ = 7
S+ = 2
brown
U- = 12
0.22 mm 2 (AWG 24)
-
4.8 mm
-
IP 67 (NEMA 4)
IP 54 (NEMA 3S)
7. Starting, operation
Specifications
Models WU-20, WU-25 and WU-26
Pressure ranges
psi
bar
Over pressure safety *
psi
)
Burst pressure *
)
psi
Pressure ranges
psi
bar
Over pressure safety *
psi
)
Burst pressure *
)
psi
Other pressure ranges, pressure units (e.g. MPa, kg/cm
request
)
*
1 psi = 0.069 bar
Measuring principle
Materials
Wetted parts
»
Pressure Connection
»
Pressure sensor
Case
Particle test
Inboard helium leak test
Surface finish
Dead volume
cm
3
Permissible Medium
Power supply U+
U+ in VDC
WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio WU-2X
WU-20 / WU-25
WU-26
14.5 25
60
100
160
250
350
1
1.7
4
7
11
17
25
120
120
120
210
320
500
750
1800 1800 1800 2200
2600
4800
6200 5800 8000 10500
2000
3000 5000
145
225
4200
6600 10500
10500 10500 12000
) and absolute pressure on
2
Metal thin-film sensor
316L VIM/VAR
2.4711 / UNSR 30003
304 SS
≤ 0.1 µm Particle 0.1 ptc / ft³ according to Semi E49.8
-9
< 1 x 10
mbar l/sec (atm STD cc/sec) according to Semi F1
Electropolished, typical Ra ≤ 0.13 µm (RA 5); max. Ra ≤ 0.18 µm (RA 7)
exceeds Semi F19
WU-20 < 1.5, WU-25 < 1, WU-26 < 1
Special gas / Vapour / Liquid
10 ... 31 with output signal 4 ... 20 mA / 0 ... 5 V
14 ... 31 with output signal 0 ... 10 V
GB
500
1000 1500
36
70
100
1100 2100 3000
360
13
Publicidad
Tabla de contenido
