Inductive Proximity Sensors

Inductive proximity sensors are a type of sensor that provide non-contact detection of metallic objects. Some sensors can target both ferrous and non-ferrous metals, while some sensors specialise in sensing only one type (ferrous or non-ferrous). Inductive proximity sensors can be cylindrical, rectangular, or encapsulated in flat housing.

Common types of inductive proximity sensors:
  • Long life/rugged – these ’metal face’ sensors feature a stainless steel enclosure that protects against abrasion, impact, aggressive fluids/solvent and explosive environments
  • Analogue output – alongside sensing metallic objects, this type of sensor can also provide information on the distance of the object from the sensor
  • Miniature – miniaturised solutions are available and ideal for use where space is limited
  • Pressure resistant – pressure resistant sensors are perfect for use in hydraulic cylinders and actuators
  • Bus enabled – these sensors can be attached to a network and used to help coordinate other systems such as diagnostics or supply line monitoring. They can be connected to programmable logic controllers

How do they work?
Inductive proximity sensors contain a coil and an oscillator that create an electromagnetic field close to the sensing surface. When metal enters this field, a change occurs in the oscillating amplitude. This in turn changes the sensor output, showing the user and/or corresponding equipment that metal has been sensed.
The operating distance varies between sensors, and can be affected by the target, the shape of what is being detected and what environment or material you are using the sensor in. These are all things to bear in mind when choosing the right sensor for your application.

Who uses them?
Inductive proximity sensors are suitable for use in virtually any industry. Common applications include the food and beverage industry, robotics, machine tools, packaging and materials handling among many others.

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Description Price Body Style Thread Size Output Type Detection Range Terminal Type Supply Voltage Communication Protocol Length Series Width Depth Maximum DC Voltage Mounting Type Maximum AC Voltage
RS Stock No. 814-0308
Mfr. Part No.IGW200
HK$599.26
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Barrel M12 x 1, M18 x 1 PNP-NO 5 mm M12 - 4 Pin 10 → 30 V dc - 65mm - - - 30V Flush Mount -
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Mfr. Part No.E2A-S08LN04-M1-C1
BrandOmron
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Barrel M8 x 1 NPN-NO 4 mm M12 - 4 Pin 12 → 24 V dc - 49mm - - - 32V Non Flush -
RS Stock No. 739-6591
Mfr. Part No.IIS208
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Barrel M30 x 1.5 PNP-NC 15 mm M12 - 4 Pin 10 → 36 V dc - 50mm - - - 36V Flush Mount -
RS Stock No. 506-2564
Mfr. Part No.3RG4012-3AF33-PF
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Barrel M12 x 1 PNP-NC 2 mm M12 - 4 Pin 15 → 34 V dc - 45mm - - - 34V Flush Mount -
RS Stock No. 164-6091
BrandRS PRO
HK$242.00
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Barrel M8 x 1 PNP-NO 1.5 mm Cable 10 → 30 V dc - 52mm - 8mm - 30V Flush Mount -
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Mfr. Part No.NCB50-FP-A2-P1
HK$1,557.22
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Block - PNP-NO/NC 50 mm M20 Gland 10 → 60 V dc - 84mm - 84mm 40mm 60V Non Flush -
RS Stock No. 831-3733
Mfr. Part No.NBN8-18GM50-E0
HK$532.73
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Barrel M18 x 1 NPN-NO 8 mm Cable 10 → 30 V dc - 50mm - - - 30V Non Flush -
New
RS Stock No. 200-9761
Mfr. Part No.IQR40-20BPPKC0K
BrandSick
HK$770.14
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Rectangular M12 x 1 Male connector M12, 4-pin 20 mm 65 mm 10 → 30 V - 65mm - - - - - -
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Mfr. Part No.XS4P12NA340D
HK$1,610.21
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Barrel M12 x 1 NPN 2.5 → 4 (Sd) mm, 4 (Sn) mm 4-Pin M12 Connector 12 → 24 V dc - 48mm - - - 24V Non Flush -
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Mfr. Part No.XS106B3PAM8
HK$500.84
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Barrel M8 PNP-NO 2.5 mm 3 Pin M8 Male Connector 10 → 36 V dc, 12 → 24 V dc - 42mm - - - 24 V, 36 V Flush Mount -
RS Stock No. 188-8534
Mfr. Part No.BI10U-M18-IOL6X2-H1141
BrandTurck
HK$1,156.13
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Barrel M18 x 1 PNP/NPN-NO/NC - - 10 → 30 V dc IO-LINK 52mm - 18 Dia.mm - 30V Flush Mount -
RS Stock No. 900-0614
Mfr. Part No.AIS18N08UN024-2M
BrandAltech
HK$360.02
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Barrel M18 x 1 NPN-NO/NC 8 mm Cable 10 → 30 V dc - 100mm - - - 30V Non Flush -
RS Stock No. 181-679
Mfr. Part No.XS230AAPAM12
HK$597.70
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Barrel M30 x 1.5 PNP-NO 22 mm M12 - 4 Pin 12 → 48 V dc - 70mm - - - 58V Non Flush -
RS Stock No. 134-7812
Mfr. Part No.IMB18-12NPPVC0S
BrandSick
HK$800.15
Each
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Barrel M18 x 1 PNP-NO/NC 12 mm M12 - 4 Pin 10 → 30 V dc IO-LINK 65mm - - - 30V Non Flush -
RS Stock No. 815-5925
Mfr. Part No.GX-H8A-P
BrandPanasonic
HK$310.96
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Block - PNP-NO 2.5 mm Cable 12 → 24 V dc - 26mm - 8mm 9.1mm 24V Non Flush -
RS Stock No. 831-3739
Mfr. Part No.NBN8-18GM40-Z0-V1
HK$577.71
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Barrel M18 x 1 NO 8 mm M12 - 4 Pin 5 → 30 V dc - 55mm - - - 60V Non Flush -
RS Stock No. 188-8539
Mfr. Part No.BI10U-MT18-IOL6X2-H1141
BrandTurck
HK$1,432.06
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Barrel M18 x 1 PNP/NPN-NO/NC 10 mm - 10 → 30 V dc IO-LINK 52mm - 18 Dia.mm - 30V Flush Mount -
RS Stock No. 816-3610
Mfr. Part No.XS1N30PB349D
HK$1,281.67
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Barrel M30 x 1.5 PNP-NC 20 mm Cable 12 → 24 V dc - 50mm - - - 24V Flush Mount -
RS Stock No. 184-6353
Mfr. Part No.IME18-12BPSZW2K
BrandSick
HK$561.27
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Barrel M18 x 1 PNP-NO 12 mm Cable 10 → 30 V dc - 48mm - 12mm - 30V Flush Mount -
RS Stock No. 179-9922
Mfr. Part No.XS618B4NAM12
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Barrel M18 x 1 NPN-NO 12 mm M12 - 4 Pin 12 → 48 V dc - 71.65mm - 24mm - 48V Non Flush -
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