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7. Starting, operation
Circular connector
Flying leads with 1.5 m of cable,
M 12x1, 4-pin
conducter cross section up to
max. 0.22 mm ², AWG 24
IP 65 (NEMA 4) *
)
Order code: M4
with end splices, conducter outer
diameter 4.8 mm
IP 65 - Order code: DI
Non hazardous
Hazardous
Non hazardous
area
(classified) area
area
*
)
mit Side-Access IP 54 (NEMA 3S)
Circular connector R03
6-pin
IP 54 (NEMA 3S)
Order code: U6
Non hazardous
Hazardous
area
(classified) area
12
WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio NWU-1
2-wire
Bayonet connector
4-pin
IP 65 (NEMA 4) *
Order code: O4
Non hazardous
Hazardous
area
(classified) area
red
black
screen
SUB D connector
15-pin
IP 54 (NEMA 3S)
Order code: TX
Non hazardous
Hazardous
area
(classified) area
GB
7. Starting, operation
Specifications
)
Pressure ranges
Over pressure safety
Hazardous
(classified) area
Burst pressure
1)
Measuring principle
Materials
Wetted parts
Case
Surface finish
Dead volume
Permissible Medium
Power supply U
B
Signal output and
maximum ohmic load R
Max. current consumption I
Max. permissible input supply Pi
Internal capacity Ci
Internal inductivity Li
Adjustability zero
Response time (10 ... 90 %)
Dielectric strength
WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio NWU-1
S
Model NWU-1
S
NWU-16
bar
4
7
10
psi
60
100
160
1)
bar
8
14
20
bar
40
70
100
Other pressure ranges and pressure units (e.g. MPa, kg/cm2 ) on request
1 bar = 14.50 psi
1)
metal thin-film sensor
2.4711 Elgiloy
(Sensor); 316L VIM/VAR (Pressure connection)
®
Stainless steel
Electropolished, typical
Ra ≤ 0.18 µm (RA 7); Ra max ≤ 0.25 µm (RA 10)
NWU-10 < 1500, NWU-15 < 1000, NWU-16 < 1000
Liquid / Gas / Vapour
≤ 24
U
in VDC
10 < U
B
B
R
in Ohm
4 ... 20 mA, 2-wire
A
R
≤ (U
– 10 V) / 0.02 A
A
A
B
mA
30
i
W
Ignition protection type nL: 1
nF
11
(+0,3 nF/m with version flying leads - order code: DI)
µH
10
(+2 µH/m with version flying leads - order code: DI)
% of span
± 5 via potentiometer
≤ 2 {≤ 100}
ms
VDC
500
GB
NWU-10 / NWU-15
16
25
40
60
100
160
250
400
250
300
500
1000 1500 2000 3000 5000
32
50
80
120
200
320
500
500
160
250
400
550
720
720
720
720
Ignition protection type nA: 0.5
1
S
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