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 Length Width Depth Maximum DC Voltage Maximum AC Voltage Mounting Type IP Rating Interface
RS Stock No. 701-8253
BrandRS PRO
£28.91
Each
Units
Barrel M12 x 1 PNP-NO 4 mm Cable 10 → 30 V dc 44mm - - 30V - Non Flush IP67 -
RS Stock No. 444-3366
Mfr. Part No.XS630B1MAL2
£72.00
Each
Units
Barrel M30 x 1.5 NO 15 mm Cable 24 → 240 V ac/dc 62mm - - 264V 264V Flush Mount IP69K -
RS Stock No. 437-0757
Mfr. Part No.IFRM 08P17A1/S35L
BrandBaumer
£56.00
Each
Units
Barrel M8 x 1 PNP-NO 2 mm M8 - 3 Pin 10 → 30 V dc 46mm 8mm - 30V - Flush Mount IP67 -
RS Stock No. 410-4847
Mfr. Part No.BES 516-325-S4-C
BrandBALLUFF
£48.04
Each
Units
Barrel M12 x 1 PNP-NO 2 mm M12 - 3 Pin 10 → 30 V dc 70mm - - 30V - Flush Mount IP68 -
RS Stock No. 249-2445
Mfr. Part No.NBB4-12GM50-E2-V1
£56.90
Each
Units
Barrel M12 x 1 PNP-NO 4 mm M12 - 4 Pin 10 → 30 V dc 65mm - - 30V - Flush Mount IP67 -
RS Stock No. 773-9893
Mfr. Part No.BES M12MI-PSC40B-S04G
BrandBALLUFF
£32.59
Each
Units
Barrel M12 x 1 PNP-NO 4 mm M12 - 3 Pin 12 → 30 V dc 65mm - - 30V - Flush Mount IP68 -
RS Stock No. 793-1807
Mfr. Part No.XS7C4A1MPG13
£62.00
Each
Units
Block - NO/NC 15 mm PG13.5 Gland 24 → 240 V ac/dc 40mm 40mm 117mm 240V 240V Flush Mount IP65, IP67, IP69K -
RS Stock No. 444-3293
Mfr. Part No.XS618B1PAM12
£46.00
Each
Units
Barrel M18 x 1 PNP-NO 8 mm M12 - 4 Pin 12 → 48 V dc 74mm - - 58V - Flush Mount IP69K -
RS Stock No. 444-3344
Mfr. Part No.XS618B1MAL2
£65.00
Each
Units
Barrel M18 x 1 NO 8 mm Cable 24 → 240 V ac/dc 62mm - - 264V 264V Flush Mount IP69K -
RS Stock No. 814-1049
Mfr. Part No.BES 516-300-S135-S4-D
BrandBALLUFF
£157.48
Each
Units
Barrel M12 x 1 PNP-NO 1.5 mm M12 - 4 Pin 10 → 30 V dc 78mm - - 30V - Flush Mount IP68 -
RS Stock No. 695-6726
Mfr. Part No.XS112B3PAM12
£36.00
Each
Units
Barrel M12 x 1 PNP-NO 4 mm M12 - 4 Pin 12 → 24 V dc 50mm - - 36V - Flush Mount IP69K -
RS Stock No. 739-6604
Mfr. Part No.IIS206
£75.92
Each
Units
Barrel M30 x 1.5 PNP/NPN-NO 15 mm M12 - 4 Pin 10 → 36 V dc 70mm - - 36V - Flush Mount IP67 -
RS Stock No. 608-5748
Mfr. Part No.XSAV11801
£141.00
Each
Units
Barrel M30 x 1.5 NC 10 mm Cable 24 → 210 V dc, 24 → 240 V ac 81mm - - 264V 264V Flush Mount IP67 -
RS Stock No. 208-162
BrandRS PRO
£54.08
Each
Units
Barrel M12 x 1 PNP-NO 3 mm M12 - 4 Pin 10 → 30 V dc 52mm - - 30V - Flush Mount IP68 -
RS Stock No. 444-3271
Mfr. Part No.XS612B1PAM12
£40.00
Each
Units
Barrel M12 x 1 PNP-NO 4 mm M12 - 4 Pin 12 → 48 V dc 62mm - - 58V - Flush Mount IP69K -
RS Stock No. 703-3729
Mfr. Part No.IME12-04BPSZCOS
BrandSick
£21.33
Each
Units
Barrel M12 x 1 PNP-NO 4 mm M12 - 4 Pin 10 → 30 V dc 65mm 12 Dia.mm - 30V - Flush Mount IP67 -
RS Stock No. 703-3739
Mfr. Part No.IME18-08BPSZC0S
BrandSick
£24.36
Each
Units
Barrel M18 x 1 PNP-NO 8 mm M12 - 4 Pin 10 → 30 V dc 69mm 18 Dia.mm - 30V - Flush Mount IP67 -
RS Stock No. 793-1819
Mfr. Part No.XS8C4A1PCG13
£52.00
Each
Units
Block - PNP-NO/NC 16 mm PG13.5 Gland 12 → 48 V dc 40mm 40mm 117mm 48V - Flush Mount IP65, IP67, IP69K -
RS Stock No. 695-6710
Mfr. Part No.XS108B3PAL2
£44.00
Each
Units
Barrel M8 x 1 PNP-NO 2.5 mm Cable 12 → 24 V dc 33mm - - 36V - Flush Mount IP67 -
RS Stock No. 444-3322
Mfr. Part No.XS612B1MAL2
£64.00
Each
Units
Barrel M12 x 1 NO 4 mm Cable 24 → 240 V ac/dc 53mm - - 264V 264V Flush Mount IP69K -
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