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 Mounting Type Maximum AC Voltage IP Rating
RS Stock No. 208-134
BrandRS PRO
SGD250.00
Each
units
Block - PNP-NO 75 mm M20 Gland 10 → 30 V dc - 80mm 80mm 40.5mm 30V Non Flush - IP67
RS Stock No. 208-128
BrandRS PRO
SGD108.02
Each
units
Block - PNP-NO 15 mm M12 - 4 Pin 10 → 30 V dc - 46mm 40mm 40mm 30V Flush Mount - IP68
RS Stock No. 701-8244
BrandRS PRO
SGD63.32
Each
units
Barrel M18 x 1 PNP-NO 5 mm M12 - 4 Pin 10 → 30 V dc - 69mm - - 30V Flush Mount - IP67
RS Stock No. 701-8253
BrandRS PRO
SGD57.93
Each
units
Barrel M12 x 1 PNP-NO 4 mm Cable 10 → 30 V dc - 44mm - - 30V Non Flush - IP67
RS Stock No. 701-8231
BrandRS PRO
SGD50.56
Each
units
Barrel M12 x 1 PNP-NO 2 mm M12 - 4 Pin 10 → 30 V dc - 65mm - - 30V Flush Mount - IP67
RS Stock No. 701-8222
BrandRS PRO
SGD69.03
Each
units
Barrel M18 x 1 NPN-NO 5 mm Cable 10 → 30 V dc - 48mm - - 30V Flush Mount - IP67
RS Stock No. 208-184
BrandRS PRO
SGD100.11
Each
units
Barrel M12 x 1 PNP-NO 3 mm Cable 10 → 30 V dc - 52mm - - 30V Flush Mount - IP68
RS Stock No. 208-083
BrandRS PRO
SGD112.48
Each
units
Barrel M8 x 1 PNP-NO 4 mm M12 - 4 Pin 10 → 30 V dc - 57mm - - 30V Non Flush - IP68
RS Stock No. 701-8229
BrandRS PRO
SGD57.93
Each
units
Barrel M12 x 1 NPN-NO 2 mm Cable 10 → 30 V dc - 44mm - - 30V Flush Mount - IP67
RS Stock No. 208-257
BrandRS PRO
SGD104.91
Each
units
Barrel M12 x 1 PNP-NO 8 mm M12 - 4 Pin 10 → 30 V dc - 52mm - - 30V Non Flush - IP68
RS Stock No. 701-8250
BrandRS PRO
SGD57.93
Each
units
Barrel M12 x 1 NPN-NO 4 mm Cable 10 → 30 V dc - 44mm - - 30V Non Flush - IP67
RS Stock No. 208-178
BrandRS PRO
SGD106.86
Each
units
Barrel M8 x 1 PNP-NO 4 mm Cable 10 → 30 V dc - 40mm - - 30V Non Flush - IP68
RS Stock No. 701-8238
BrandRS PRO
SGD50.56
Each
units
Barrel M12 x 1 NPN-NO 2 mm M12 - 4 Pin 10 → 30 V dc - 65mm - - 30V Flush Mount - IP67
RS Stock No. 701-8225
BrandRS PRO
SGD57.93
Each
units
Barrel M12 x 1 PNP-NO 2 mm Cable 10 → 30 V dc - 44mm - - 30V Flush Mount - IP67
RS Stock No. 208-099
BrandRS PRO
SGD112.48
Each
units
Barrel M8 x 1 PNP-NO 1.5 mm M12 - 4 Pin 10 → 30 V dc - 57mm - - 30V Flush Mount - IP68
RS Stock No. 208-162
BrandRS PRO
SGD104.91
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. 701-8266
BrandRS PRO
SGD69.03
Each
units
Barrel M18 x 1 PNP-NO 8 mm Cable 10 → 30 V dc - 48mm - - 30V Non Flush - IP67
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 - IP67
RS Stock No. 208-235
BrandRS PRO
SGD112.18
Each
units
Barrel M18 x 1 PNP-NO 12 mm M12 - 4 Pin 10 → 30 V dc - 52mm - - 30V Non Flush - IP68
RS Stock No. 164-6092
BrandRS PRO
SGD39.02
Each
units
Barrel M8 x 1 PNP-NO 1.5 mm Cable 10 → 30 V dc - 52mm 8mm - 30V Flush Mount - IP67
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This range of M12 cylindrical inductive proximity sensors ...
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This range of M12 cylindrical inductive proximity sensors from the BALLUFF BES series are designed to be used in a wide variety of metal detection applications with in industrial environments. Pre cabled or connectorFlush shielded or non-flush unshielded3 & 4 ...
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