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. 701-8213
BrandRS PRO
$79.15
Each
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Barrel M18 x 1 PNP-NO 5 mm Cable 10 → 30 V dc - 48mm - - 30V Flush Mount - IP67
RS Stock No. 164-6097
BrandRS PRO
$49.37
Each
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Barrel M8 x 1 NPN-NO 2.5 mm Cable 10 → 30 V dc - 52mm 8mm - 30V Non-Flush - IP67
RS Stock No. 701-8219
BrandRS PRO
$114.50
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Barrel M30 x 1.5 NPN-NO 10 mm Cable 10 → 30 V dc - 51mm - - 30V Flush Mount - IP67
RS Stock No. 208-162
BrandRS PRO
$196.24
Each
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Barrel M12 x 1 PNP-NO 3 mm M12 - 4 Pin 10 → 30 V dc - 52mm - - 30V Flush Mount - IP68
RS Stock No. 208-308
BrandRS PRO
$151.79
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Barrel M30 x 1.5 PNP-NO 20 mm M12 - 4 Pin 10 → 30 V dc - 62mm - - 30V Non Flush - IP68
RS Stock No. 164-6096
BrandRS PRO
$49.37
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Barrel M8 x 1 PNP-NO 2.5 mm Cable 10 → 30 V dc - 52mm 8mm - 30V Non-Flush - IP67
RS Stock No. 208-156
BrandRS PRO
$196.24
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Barrel M12 x 1 PNP-NO 8 mm Cable 10 → 30 V dc - 54mm - - 30V Non Flush - IP68
RS Stock No. 805-4711
Mfr. Part No.E2B-M18KS08-M1-B1
BrandOmron
$75.92
Each
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Barrel M18 x 1 PNP-NO 8 mm M12 - 4 Pin 12 → 24 V dc - 39mm - - 30V Flush Mount - IP67
RS Stock No. 444-3265
Mfr. Part No.XS612B1PAL2
$163.66
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Barrel M12 x 1 PNP-NO 4 mm Cable 12 → 48 V dc - 53mm - - 58V Flush Mount - IP69K
RS Stock No. 488-065
Mfr. Part No.IM5115
$182.01
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Block - PNP-NO 20 mm M12 - 4 Pin 10 → 36 V dc - 54mm 40mm 40mm 36V Flush Mount - IP67
RS Stock No. 805-2517
Mfr. Part No.E2B-M12KN08-M1-B2
BrandOmron
$58.27
Each
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Barrel M12 x 1 PNP-NC 8 mm M12 - 4 Pin 12 → 24 V dc - 31mm - - 30V Flush Mount - IP67
RS Stock No. 370-7467
Mfr. Part No.IFS206
$113.00
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Barrel M12 x 1 NPN-NC 4 mm M12 - 4 Pin 10 → 36 V dc - 45mm - - 36V Flush Mount - IP67
RS Stock No. 257-2513
Mfr. Part No.NBB15-U1-E2-C
$173.80
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Block - PNP-NO 15 mm M20 Gland 10 → 60 V dc - 40mm 40.5mm 118mm 60V Flush Mount - IP68
RS Stock No. 437-0757
Mfr. Part No.IFRM 08P17A1/S35L
BrandBaumer
$174.99
Each
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Barrel M8 x 1 PNP-NO 2 mm M8 - 3 Pin 10 → 30 V dc - 46mm 8mm - 30V Flush Mount - IP67
RS Stock No. 249-2445
Mfr. Part No.NBB4-12GM50-E2-V1
$113.30
Each
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Barrel M12 x 1 PNP-NO 4 mm M12 - 4 Pin 10 → 30 V dc - 65mm - - 30V Flush Mount - IP67
RS Stock No. 744-9875
Mfr. Part No.E2E-X5ME1 2M OMS
BrandOmron
$473.84
Each
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Barrel M12 x 1 NPN 5 mm Pre-Wired 12 → 24 V dc - 38mm - - 40V Panel Mount - IP67
RS Stock No. 800-7563
Mfr. Part No.NBN4-12GM50-E2-V1
$88.00
Each
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Barrel M12 x 1 PNP-NO 4 mm M12 - 4 Pin 10 → 30 V dc - 65mm - - 30V Non Flush - IP67
RS Stock No. 198-974
Mfr. Part No.XS218BLPAL2
$77.22
Each
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Barrel M18 x 1 PNP-NO 8 mm Cable 12 → 24 V dc - 50.6mm - - 36V Non Flush - IP67
RS Stock No. 805-2602
Mfr. Part No.E2B-M12LN08-WP-B1 2M
BrandOmron
$71.78
Each
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Barrel M12 x 1 PNP-NO 8 mm Cable 12 → 24 V dc - 53mm - - 30V Non Flush - IP67
RS Stock No. 814-1017
Mfr. Part No.BES M18MI-PSC80B-S04K
BrandBALLUFF
$110.58
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Barrel M18 x 1 PNP-NO 8 mm M12 - 4 Pin 12 → 30 V dc - 65mm - - 30V Flush Mount - IP68
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