Turck BI8U-P18-AP6/S139-S12617M Data Sheet
Inductive sensor
For underwater applications
BI8U-P18-AP6/S139-S1261 7M
■ Threaded barrel, M18 x 1
■ Plastic, POM
■ For underwater and off-shore applica-
tions
■ Oil and seawater resistant
■ Protection class IP68, 500 m water col-
umn
■ Factor 1 for all metals
■ Resistant to magnetic fields
■ DC 3-wire, 10…30 VDC
■ NO contact, PNP output
■ Cable connection
Type designation BI8U-P18-AP6/S139-S1261 7M
Ident-No. 1650229
Rated switching distance Sn 8 mm
Mounting conditions Non-flush
Secured operating distance
Repeat accuracy
Static pressure
Temperature drift
Hysteresis 3…15 %
Ambient temperature -30…+85 °C
Operating voltage 10…30 VDC
Residual ripple
DC rated operational current
No-load current I
Residual current
Isolation test voltage
Short-circuit protection yes/ Cyclic
Voltage drop at I
Wire breakage/Reverse polarity protection yes/ Complete
Output function 3-wire, NO contact, PNP
Switching frequency 2 kHz
Design Threaded barrel,M18 × 1
Dimensions 80 mm
Housing material Plastic, POM, Black
Active area material Plastic, POM, black
End cap Metal, A4 1.4401 (AISI 316L)
Max. tightening torque housing nut 2 Nm
Electrical connection Cable
Cable quality 5.2mm, Ölflex rugged 210, TPE, 7
Cable cross section
Vibration resistance 55 Hz (1 mm)
Shock resistance 30 g (11 ms)
Protection class IP68
MTTF 874 years acc. to SN 29500 (Ed. 99) 40 °C
Packaging unit 1
0
e
ð (0,81 x Sn) mm
ð 2 % of full scale
ð 50 bar
ð ± 10 %
ð ± 15 %, ð -25 °C v ï +70 °C
ð 10 % U
ss
ð 200 mA
ð 15 mA
ð 0.1 mA
ð 0.5 kV
ð 1.8 V
3 x 0.5 mm
2
Wiring Diagram
Functional principle
Inductive sensors detect metal objects contactless and wear-free. Due to the patented
ferrite-coreless 3-coil system, uprox factor 1
sensors have distinct advantages compared
to conventional sensors. They detect all metals at the same switching distance, are magnetic field immune and feature large switching
distances.
Edition • 2018-04-04T15:41:30+02:00
1 / 3 TURCK Inc.
Inductive sensor
For underwater applications
BI8U-P18-AP6/S139-S1261 7M
Distance D 2 x B
Distance W 3 x Sn
Distance T 3 x B
Distance S 1.5 x B
Distance G 6 x Sn
Distance N 6 mm
Diameter active area B Ø 18 mm
Edition • 2018-04-04T15:41:30+02:00
2 / 3 TURCK Inc.
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