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Inductive sensor
BI3-M18-AZ3X/S903
Type designation BI3-M18-AZ3X/S903
Ident-No. 1302100
■ Threaded barrel, M18 x 1
■ Chrome-plated brass
■ Hysteresis always below 0.1 mm
■ AC 2-wire, 20…250 VAC
■ DC 2-wire, 10…300 VDC
■ NO contact
■ Cable connection
Wiring Diagram
Rated switching distance Sn 3 mm
Mounting conditions Flush
Secured operating distance
Correction factors St37 = 1; Al = 0.3; stainless steel = 0.7; Ms = 0.4
Repeat accuracy
Temperature drift
Hysteresis 1…3 %
Ambient temperature -25…+70 °C
Operating voltage 20…250VAC
Operating voltage 10…300 VDC
AC rated operational current
DC rated operational current
Frequency
Residual current
Isolation test voltage
Surge current
Voltage drop at I
Output function 2-wire, NO contact
Smallest operating current I
Switching frequency 0.02 kHz
Design Threaded barrel,M18 × 1
Dimensions 64 mm
Housing material Metal, CuZn, Chrome-plated
Active area material Plastic, PA12-GF30
End cap Plastic, EPTR
Max. tightening torque housing nut 25 Nm
Electrical connection Cable
Cable quality 5.2mm, LifYY, PVC, 2
Cable cross section
Vibration resistance 55 Hz (1 mm)
Shock resistance 30 g (11 ms)
Protection class IP67
e
m
ð (0,81 x Sn) mm
ð 2 % of full scale
ð ± 10 %
ð 400 mA
ð 300 mA
ï 50…ð 60 Hz
ð 1.7 mA
ð 1.5 kV
ð 8 A (ð 10 ms max. 5 Hz)
ð 6 V
ï 3 mA
3 x 0.5 mm
2
Functional principle
Inductive sensors detect metal objects contactless and wear-free. For this, they use a
high-frequency electromagnetic AC field that
interacts with the target. Inductive sensors
generate this field via an RLC circuit with a
ferrite coil.
Switching state LED,Red
Edition • 2018-04-23T15:46:12+02:00
1 / 3 TURCK Inc.
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Inductive sensor
BI3-M18-AZ3X/S903
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
Diameter active area B Ø 18 mm
Edition • 2018-04-23T15:46:12+02:00
2 / 3 TURCK Inc.