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 Width Depth Maximum DC Voltage Maximum AC Voltage Mounting Type IP Rating
RS Stock No. 667-7211
Mfr. Part No.NBB20-U1-E2
HK$858.02
Each
units
Block - PNP-NO 20 mm M20 Gland 10 → 30 V dc - 118mm 40mm 40mm 30V - Flush Mount IP69K
RS Stock No. 124-3710
Mfr. Part No.BES M18MI-PSC50B-S04K
BrandBALLUFF
HK$421.78
Each
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Barrel M18 x 1 PNP-NO 5 mm M12 - 4 Pin 12 → 30 V dc - 65mm - - 30V - Flush Mount IP68
RS Stock No. 188-9084
Mfr. Part No.E2E-X6B1T12 2M
BrandOmron
HK$434.61
Each
units
Barrel M12 x 1 PNP-NO 6 mm Cable 10 → 30 V dc IO-LINK 47.1mm 12mm - 30V - Flush Mount IP67, IP67G, IP69K
RS Stock No. 184-6383
Mfr. Part No.IME08-03BPSZW2S
BrandSick
HK$610.46
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Barrel M8 x 1 PNP-NO 3 mm Cable 10 → 30 V dc - 52mm 8mm - 30V - Flush Mount IP67
RS Stock No. 123-8648
Mfr. Part No.XS1N12PC410L2
HK$579.24
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Barrel M12 x 1 PNP-NO/NC 2 mm Cable 12 → 24 V dc - 37mm - - 24V - Flush Mount IP68
RS Stock No. 123-8626
Mfr. Part No.XS212B4PAL2
HK$401.09
Each
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Barrel M12 x 1 PNP-NO 8 mm Cable 12 → 24 V dc - 37mm - - 24V - Non Flush IP65, IP67, IP69K
RS Stock No. 124-3755
Mfr. Part No.BES M30ML-PSC10A-S04G-W
BrandBALLUFF
HK$1,234.72
Each
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Barrel M30 x 1.5 PNP-NO 10 mm M12 - 4 Pin 10 → 30 V dc - 65mm - - 30V - Flush Mount IP67
RS Stock No. 249-2344
Mfr. Part No.NBB0,8-5GM25-E2
HK$689.66
Each
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Barrel M5 x 0.5 PNP-NO 0.8 mm Cable 10 → 30 V dc - 25mm - - 30V - Flush Mount IP67
RS Stock No. 133-6321
Mfr. Part No.XS1N30PC410
HK$531.44
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Barrel M30 x 1.5 PNP-NO/NC 10 mm Cable 12 → 24 V dc - 45mm - - 24V - Flush Mount IP67, IP68
RS Stock No. 498-1745
Mfr. Part No.IFFM 20P 1501 S35L
BrandBaumer
HK$876.19
Each
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Block - PNP-NO 5 mm M8 - 3 Pin 10 → 50 V dc - 32mm 20mm 10mm 50V - Flush Mount IP67
RS Stock No. 214-672
Mfr. Part No.IWRM 12U 9501
BrandBaumer
HK$1,782.35
Each
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Barrel M12 x 1 Analogue, 1-9 V 2 mm Cable 14 → 30 V dc - 50mm 12mm - 30V - Flush Mount IP67
RS Stock No. 289-8483
Mfr. Part No.NBB2-V3-E0-V5
HK$407.80
Each
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Block - NPN-NO 2 mm Faston 4.8mm - 3 Pin 10 → 30 V dc - 27.8mm 16mm 10.2mm 30V - - IP67
RS Stock No. 701-8225
BrandRS PRO
HK$332.30
Each
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Barrel M12 x 1 PNP-NO 2 mm Cable 10 → 30 V dc - 44mm - - 30V - Flush Mount IP67
RS Stock No. 610-5016
Mfr. Part No.3RG4023-0AG33-PF
HK$889.56
Each
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Barrel M18 x 1 PNP-NO 8 mm Cable 15 → 34 V dc - 35mm - - 34V - Flush Mount IP67
RS Stock No. 214-694
Mfr. Part No.IWRM 06U 9501 S35
BrandBaumer
HK$2,003.94
Each
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Barrel - 0-10 V, Analogue 2 mm M8 - 3 Pin 15 → 30 V dc - 46mm 6.5mm - 30V - Flush Mount IP67
RS Stock No. 830-7889
Mfr. Part No.BI 5-M18-AN6X-H1141
BrandTurck
HK$1,208.75
Each
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Barrel M12 x 1 NPN-NO 5 mm M12 - 4 Pin 10 → 30 V dc - 52mm - - 30V - Flush Mount IP67
RS Stock No. 324-1276
Mfr. Part No.XS4P12PA370
HK$520.78
Each
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Barrel M12 x 1 PNP-NO 4 mm Cable 12 → 48 V dc - 52mm - - 58V - Non Flush IP68
RS Stock No. 830-8658
Mfr. Part No.BI 2-EH6.5-AP6X-V1131
BrandTurck
HK$1,377.03
Each
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Barrel M8 x 1 PNP-NO 2 mm M8 - 3 Pin 10 → 30 V dc - 49mm - - 30V - Flush Mount IP67
RS Stock No. 819-3125
Mfr. Part No.Bi2-G12-Y1X
BrandTurck
HK$997.11
Each
units
Barrel M12 x 1 NAMUR 2 mm Cable 8.2 V dc - 34mm - - 8.2V - Flush Mount IP67
RS Stock No. 512-4482
Mfr. Part No.XS512B1PAL2
HK$569.81
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Barrel M12 x 1 PNP-NO 2 mm Cable 12 → 24 V dc - 35mm - - 36V - Flush Mount IP69K
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