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. 181-657
Mfr. Part No.XS230SAMAL2
$225.13
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Barrel M30 x 1.5 NO 22 mm Cable 24 → 240 V ac/dc - 62.5mm - - - 264V Non Flush 264V
RS Stock No. 123-8631
Mfr. Part No.XS1N18PC410L1
$109.22
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Barrel M18 x 1 PNP-NO/NC 5 mm Cable 12 → 24 V dc - 41mm - - - 24V Flush Mount -
RS Stock No. 124-3803
Mfr. Part No.BES 516-324-E4-C-PU-05
BrandBALLUFF
$153.54
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Barrel M8 x 1 PNP-NO 1.5 mm Cable 10 → 30 V dc - 30mm - - - 30V Flush Mount -
RS Stock No. 819-3166
Mfr. Part No.Ni15-EM30-Y1X-H1141
BrandTurck
$210.08
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Barrel M30 x 1.5 NAMUR 15 mm M12 - 4 Pin 8.2 V dc - 62mm - - - 8.2V Non Flush -
RS Stock No. 837-5942
Mfr. Part No.NI20U-M30-AP6X-H1141
BrandTurck
$265.39
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Barrel M30 x 1.5 PNP-NO 20 mm M12 - 4 Pin 10 → 30 V dc - 62mm - - - 30V Non Flush -
RS Stock No. 805-2630
Mfr. Part No.E2B-M12LS04-M1-B2
BrandOmron
$54.37
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Barrel M12 x 1 PNP-NC 4 mm M12 - 4 Pin 12 → 24 V dc - 54mm - - - 30V Flush Mount -
RS Stock No. 805-2595
Mfr. Part No.E2B-M12LN08-M1-B2
BrandOmron
$72.25
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Barrel M12 x 1 PNP-NC 8 mm M12 - 4 Pin 12 → 24 V dc - 54mm - - - 30V Non Flush -
RS Stock No. 745-6078
Mfr. Part No.E2E-X14MD1 2M
BrandOmron
$228.45
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Barrel M18 x 1 2-Wire DC With Polarity 14 mm Pre-Wired 12 → 24 V dc - 55mm - - - 30V - -
RS Stock No. 410-4752
Mfr. Part No.BES 516-326-S4-C
BrandBALLUFF
$235.58
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Barrel M18 x 1 PNP-NO 5 mm M12 - 4 Pin 10 → 30 V dc - 83mm - - - 30V Flush Mount -
RS Stock No. 831-3806
Mfr. Part No.NEN20-18GM50-E2-V1
$190.30
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Barrel M18 x 1 PNP-NO 20 mm M12 - 4 Pin 10 → 30 V dc - 69mm - - - 30V Non Flush -
RS Stock No. 831-3761
Mfr. Part No.NCB50-FP-A2-P1-V1
$333.30
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Block - PNP-NO/NC 50 mm M12 - 4 Pin 10 → 60 V dc - 109mm - 84mm 40mm 60V Flush Mount -
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RS Stock No. 195-1849
Mfr. Part No.XS512BSDAM12
$69.68
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Barrel M12 x 1 NO 2 mm M12 - 4 Pin 10 → 36 V dc, 12 → 24 V dc - 49.95mm - - - 24 V, 36 V Flush Mount -
RS Stock No. 902-7357
Mfr. Part No.BES Q08ZC-PSC20B-BP02
BrandBALLUFF
$169.53
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Block - PNP-NO 2 mm Cable 10 → 30 V dc - 44mm - - - 30V Flush Mount -
RS Stock No. 808-6349
Mfr. Part No.E2F-X1R5F1
BrandOmron
$147.62
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Barrel M8 x 1 PNP-NO 1.5 mm Cable 12 → 24 V dc - 30mm - - - 30V - -
RS Stock No. 249-2287
Mfr. Part No.NBB5-18GM50-E0
$106.70
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Barrel M18 x 1 NPN-NO 5 mm Cable 10 → 30 V dc - 50mm - - - 30V Flush Mount -
RS Stock No. 283-511
Mfr. Part No.XS218SAPAM12
$172.27
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Barrel M18 x 1 PNP-NO 12 mm M12 - 4 Pin 12 → 24 V dc - 70mm - - - 36V Non Flush -
RS Stock No. 805-4979
Mfr. Part No.E2B-S08KN04-WP-B2 2M
BrandOmron
$71.78
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Barrel M8 x 1 PNP-NC 4 mm Cable 12 → 24 V dc - 27mm - - - 30V Non Flush -
RS Stock No. 831-9933
Mfr. Part No.BI15U-CP40-VP4X2
BrandTurck
$419.76
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Block - PNP-NO/NC 15 mm M20 Gland 10 → 65 V dc - 114mm - 40mm 40mm 65V Flush Mount -
RS Stock No. 804-9494
Mfr. Part No.E2A-M30KN20-WP-C1 5M
BrandOmron
$114.84
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Barrel M30 x 1.5 NPN-NO 20 mm Cable 12 → 24 V dc - 44mm - - - 32V Non Flush -
RS Stock No. 837-5359
Mfr. Part No.NI 4-EG08-AG41X-H1341
BrandTurck
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Barrel M12 x 1 NO 4 mm M12 - 4 Pin 10 → 55 V dc - 57mm - - - 55V Non Flush -
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