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 Series Supply Voltage Communication Protocol Length Width Depth Maximum DC Voltage Mounting Type Maximum AC Voltage
RS Stock No. 208-134
BrandRS PRO
SGD186.77
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units
Block - PNP-NO 75 mm M20 Gland - 10 → 30 V dc - 80mm 80mm 40.5mm 30V Non Flush -
RS Stock No. 208-128
BrandRS PRO
SGD108.02
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Block - PNP-NO 15 mm M12 - 4 Pin - 10 → 30 V dc - 46mm 40mm 40mm 30V Flush Mount -
RS Stock No. 701-8231
BrandRS PRO
SGD50.56
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Barrel M12 x 1 PNP-NO 2 mm M12 - 4 Pin - 10 → 30 V dc - 65mm - - 30V Flush Mount -
RS Stock No. 701-8244
BrandRS PRO
SGD63.32
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Barrel M18 x 1 PNP-NO 5 mm M12 - 4 Pin - 10 → 30 V dc - 69mm - - 30V Flush Mount -
RS Stock No. 701-8253
BrandRS PRO
SGD57.93
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Barrel M12 x 1 PNP-NO 4 mm Cable - 10 → 30 V dc - 44mm - - 30V Non Flush -
RS Stock No. 208-184
BrandRS PRO
SGD100.11
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Barrel M12 x 1 PNP-NO 3 mm Cable - 10 → 30 V dc - 52mm - - 30V Flush Mount -
RS Stock No. 701-8222
BrandRS PRO
SGD69.03
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Barrel M18 x 1 NPN-NO 5 mm Cable - 10 → 30 V dc - 48mm - - 30V Flush Mount -
RS Stock No. 701-8229
BrandRS PRO
SGD57.93
Each
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Barrel M12 x 1 NPN-NO 2 mm Cable - 10 → 30 V dc - 44mm - - 30V Flush Mount -
RS Stock No. 701-8250
BrandRS PRO
SGD57.93
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Barrel M12 x 1 NPN-NO 4 mm Cable - 10 → 30 V dc - 44mm - - 30V Non Flush -
RS Stock No. 208-083
BrandRS PRO
SGD112.48
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Barrel M8 x 1 PNP-NO 4 mm M12 - 4 Pin - 10 → 30 V dc - 57mm - - 30V Non Flush -
RS Stock No. 208-257
BrandRS PRO
SGD104.91
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Barrel M12 x 1 PNP-NO 8 mm M12 - 4 Pin - 10 → 30 V dc - 52mm - - 30V Non Flush -
RS Stock No. 208-178
BrandRS PRO
SGD106.86
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Barrel M8 x 1 PNP-NO 4 mm Cable - 10 → 30 V dc - 40mm - - 30V Non Flush -
RS Stock No. 208-235
BrandRS PRO
SGD112.18
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Barrel M18 x 1 PNP-NO 12 mm M12 - 4 Pin - 10 → 30 V dc - 52mm - - 30V Non Flush -
RS Stock No. 701-8257
BrandRS PRO
SGD69.03
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Barrel M18 x 1 NPN-NO 8 mm Cable - 10 → 30 V dc - 48mm - - 30V Non Flush -
RS Stock No. 208-190
BrandRS PRO
SGD105.82
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Block - PNP-NO 35 mm M12 - 4 Pin - 10 → 30 V dc - 65mm 40mm 40mm 30V Non Flush -
RS Stock No. 701-8241
BrandRS PRO
SGD66.15
Each
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Barrel M30 x 1.5 PNP-NO 10 mm M12 - 4 Pin - 10 → 30 V dc - 71mm - - 30V Flush Mount -
RS Stock No. 701-8225
BrandRS PRO
SGD57.93
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Barrel M12 x 1 PNP-NO 2 mm Cable - 10 → 30 V dc - 44mm - - 30V Flush Mount -
RS Stock No. 164-6097
BrandRS PRO
SGD39.70
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Barrel M8 x 1 NPN-NO 2.5 mm Cable - 10 → 30 V dc - 52mm 8mm - 30V Non-Flush -
RS Stock No. 208-162
BrandRS PRO
SGD104.91
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Barrel M12 x 1 PNP-NO 3 mm M12 - 4 Pin - 10 → 30 V dc - 52mm - - 30V Flush Mount -
RS Stock No. 164-6091
BrandRS PRO
SGD39.70
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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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