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. 444-3271
Mfr. Part No.XS612B1PAM12
$132.40
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Barrel M12 x 1 PNP-NO 4 mm M12 - 4 Pin - 12 → 48 V dc - 62mm - - 58V Flush Mount -
RS Stock No. 444-3350
Mfr. Part No.XS618B1MAU20
$211.88
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Barrel M18 x 1 NO 8 mm 1/2" 20 UNF - 3 Pin - 24 → 240 V ac/dc - 73mm - - 264V Flush Mount 264V
RS Stock No. 105-8531
Mfr. Part No.NBB3-V3-Z4
$83.23
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Block - NO 3 mm Cable - 5 → 60 V dc - 27.8mm 16mm 10mm 60V Flush Mount -
RS Stock No. 805-2557
Mfr. Part No.E2B-M12KS04-M1-B1
BrandOmron
$36.98
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Barrel M12 x 1 PNP-NO 4 mm M12 - 4 Pin - 12 → 24 V dc - 31mm - - 30V Flush Mount -
RS Stock No. 444-3300
Mfr. Part No.XS630B1PAL2
$185.40
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Barrel M30 x 1.5 PNP-NO 15 mm Cable - 12 → 48 V dc - 62mm - - 58V Flush Mount -
RS Stock No. 805-4951
Mfr. Part No.E2B-S08KN04-MC-B2
BrandOmron
$66.23
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Barrel M8 x 1 PNP-NC 4 mm M8 - 3 Pin - 12 → 24 V dc - 27mm - - 30V Flush Mount -
RS Stock No. 752-2106
Mfr. Part No.XS2M18KP340D
$287.84
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Barrel M18 x 1 PNP/NPN 4 → 8 (Sd) mm, 8 (Sn) mm 4-Pin M12 Connector - 12 → 24 V dc - 70mm - - 24V Non Flush -
RS Stock No. 121-2736
Mfr. Part No.IMF18-12NPPNC0S
BrandSick
$116.72
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Barrel M18 x 1 PNP-NO/NC 12 mm M12 - 4 Pin - 10 → 30 V dc - 65mm - - 30V Non Flush -
RS Stock No. 123-8627
Mfr. Part No.XS212B4NBL2
$85.64
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Barrel M12 x 1 NPN-NC 8 mm Cable - 12 → 24 V dc - 37mm - - 24V Non Flush -
RS Stock No. 265-6122
Mfr. Part No.NBB8-18GM50-E2
$127.89
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Barrel M18 x 1 PNP-NO 8 mm Cable - 10 → 30 V dc - 50mm - - 30V Flush Mount -
RS Stock No. 479-2595
Mfr. Part No.E2AS08KS02M1B1
BrandOmron
$86.69
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Barrel M8 x 1 PNP-NO 2 mm M12 - 4 Pin - 12 → 24 V dc - 43mm - - 32V Flush Mount -
RS Stock No. 124-4441
Mfr. Part No.E2EX10B4M1TJIL303OMS
BrandOmron
$145.51
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Barrel M30 x 1.5 PNP-NO/NC 10 mm M12 - 4 Pin with cable - 10 → 30 V dc IO-LINK 60mm - - 30V Flush Mount -
RS Stock No. 805-5023
Mfr. Part No.E2B-S08KS02-WP-C1 5M
BrandOmron
$72.34
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Barrel M8 x 1 NPN-NO 2 mm Cable - 12 → 24 V dc - 27mm - - 30V Flush Mount -
RS Stock No. 265-6071
Mfr. Part No.NBB2-8GM50-E0
$121.80
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Barrel M8 x 1 NPN-NO 2 mm Cable - 10 → 30 V dc - 50mm - - 30V Flush Mount -
RS Stock No. 158-4931
Mfr. Part No.IG5841
$302.97
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Barrel M18 x 1 PNP-NO 12 mm M12 - 4 Pin - 10 → 36 V dc - 72mm - - 36V Non Flush -
RS Stock No. 877-1589
Mfr. Part No.NBB20-U1-Z2
$148.19
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Block - NO/NC 20 mm M20 Gland - 5 → 60 V dc - 118mm 40mm 40mm 60V Flush Mount -
RS Stock No. 444-3388
Mfr. Part No.XS630B1MAU20
$265.57
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Barrel M30 x 1.5 NO 15 mm 1/2" 20 UNF - 3 Pin - 24 → 240 V ac/dc - 73mm - - 264V Flush Mount 264V
RS Stock No. 285-712
Mfr. Part No.IG5594
$223.25
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Barrel M18 x 1 NO/NC 5 mm Cable - 10 → 55 V dc - 80mm - - 55V Flush Mount -
RS Stock No. 444-3192
Mfr. Part No.XS8D1A1PAM12
$286.15
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Block - PNP-NO 60 mm M12 - 4 Pin - 12 → 24 V dc - 80mm 80mm 26mm 36V Non Flush -
RS Stock No. 123-8640
Mfr. Part No.XS1N18PC410DSCV
$111.09
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Barrel M18 x 1 PNP-NO/NC 5 mm M12 - 4 Pin - 12 → 24 V dc - 51mm - - 24V Flush Mount -
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