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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RS Stock No. 158-4925
Mfr. Part No.IF5811
PHP5,027.57
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Barrel M12 x 1 PNP 0 → 7 mm M12 Connector 10 → 36 V dc 60mm - - 36V - Non Flush IP68 -
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PHP16,189.01
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Barrel M30 NC 10 mm Wire Lead 24 → 210 V dc, 24 → 240 V ac 81mm - - 264V 264V Flush Mount IP67 -
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BrandOmron
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Block - NPN-NO 5 mm Pre-Wired 12 → 24 V dc 32mm 17mm 17mm 30V - - IP67 -
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BrandBaumer
PHP13,607.19
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Barrel M8 x 1 PNP 2 mm M8 Connector 15 → 30 V dc 46mm 8mm - 30V - Quasi-Flush Mount IP67 -
RS Stock No. 808-6380
Mfr. Part No.E2E-X5MY1-M1
BrandOmron
PHP5,735.79
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Barrel M12 NO 5 mm M12 Connector 24 → 240 V ac 53mm - - - 264V Panel Mount IP67 -
RS Stock No. 783-9990
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PHP3,506.12
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Block M12 x 1 PNP 0 → 40 mm 4-Pin M12 Connector 10 → 30 V dc 40mm 40mm 67mm 30V - Panel Mount IP69K -
RS Stock No. 831-3795
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Barrel M12 x 1 PNP 0 → 22 mm 4-Pin M12 Connector 10 → 30 V 73.5mm - - 30V - Quasi Flush IP67 -
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Block M20 x 1.5 PNP 0 → 30 mm Screw 10 → 30 V dc 118mm 40mm 40mm 30V - Non Flush IP68, IP69K -
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Barrel M12 x 1 PNP 2 mm Wire Lead 10 → 30 V dc 50mm - - 30V - Flush Mount IP67 -
RS Stock No. 479-2674
Mfr. Part No.E2AM12KN08WPB12M
BrandOmron
PHP2,371.68
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Barrel M12 x 1 PNP 8 mm Wire Lead 12 → 24 V dc 50mm - - 32V - Panel Mount IP67 -
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PHP10,143.92
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Barrel M18 2-Wire AC/DC 8 mm Cable 20 → 250 V ac, 20 → 300 V dc 63mm - - 300V 250V Flush Mount IP67 -
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BrandTurck
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Barrel M12 PNP-CO 0 → 30 mm M12 Connector 10 → 55 V dc 62mm - - 55V - Non Flush IP68 -
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PHP4,439.10
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Barrel M12 x 1 - 3 mm Wire Lead 12 → 24 V dc 38mm - - 30V - Panel Mount IP67 -
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PHP6,637.80
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Block M12 x 1 PNP-NC, PNP-NO 0 → 20 mm 4-Pin M12 Connector 10 → 30 V dc 118mm 40mm 40mm 30V - Flush Mount IP68, IP69K -
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PHP3,429.08
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Barrel M30 x 1.5 NPN 0 → 22 mm Wire Lead 12 → 48 V dc 60mm - - 58V - Non Flush IP69K -
RS Stock No. 479-2573
Mfr. Part No.E2AS08KS02WPB12M
BrandOmron
PHP3,437.65
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Barrel M8 x 1 PNP 2 mm Wire Lead 12 → 24 V dc 40mm - - 32V - Panel Mount IP67 -
RS Stock No. 808-9228
Mfr. Part No.GX-F12A
BrandPanasonic
PHP2,388.00
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Rectangular - NPN 4 mm Cable 12 → 24 V dc 32.2mm 12mm 7.1mm 24V - Panel Mount IP68 -
RS Stock No. 181-1817
Mfr. Part No.IFRM 12P1701/S14L
BrandBaumer
PHP3,531.12
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Barrel M12 x 1 PNP 4 mm M12 Connector 10 → 30 V dc 50mm 12mm - 30V - Flush Mount IP67 -