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 Series Width Depth Maximum DC Voltage Mounting Type Maximum AC Voltage
RS Stock No. 695-6735
Mfr. Part No.XS118B3PAL2
$180.71
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Barrel M18 x 1 PNP-NO 8 mm Cable 12 → 24 V dc - 39mm - - - 36V Flush Mount -
RS Stock No. 667-7211
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Block - PNP-NO 20 mm M20 Gland 10 → 30 V dc - 118mm - 40mm 40mm 30V Flush Mount -
RS Stock No. 444-3322
Mfr. Part No.XS612B1MAL2
$265.90
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Barrel M12 x 1 NO 4 mm Cable 24 → 240 V ac/dc - 53mm - - - 264V Flush Mount 264V
RS Stock No. 285-712
Mfr. Part No.IG5594
$244.14
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Barrel M18 x 1 NO/NC 5 mm Cable 10 → 55 V dc - 80mm - - - 55V Flush Mount -
RS Stock No. 744-9799
Mfr. Part No.E2E-X1R5F1-M1 OMS
BrandOmron
$217.06
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Barrel M8 x 1 PNP 1.5 mm M12 Connector 12 → 24 V dc - 43mm - - - 40V Panel Mount -
RS Stock No. 818-4115
Mfr. Part No.E2AS08KS02M5B1OMC
BrandOmron
$79.63
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Barrel M8 x 1 PNP-NO 2 mm M8 - 3 Pin 10 → 32 V dc - 39mm - - - 32V Flush Mount -
RS Stock No. 257-2260
Mfr. Part No.NBN10-F10-E0
$89.10
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Block - NPN-NO 10 mm Cable 10 → 30 V dc - 38.5mm - 25mm 25.5mm 30V Non Flush -
RS Stock No. 902-7376
Mfr. Part No.BES R04KC-PSC15B-EP00,3-GS49
BrandBALLUFF
$124.87
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Block - PNP-NO 1.5 mm M8 - 3 Pin 10 → 30 V dc - 8mm - 16mm 4.7mm 30V Flush Mount -
RS Stock No. 902-7524
Mfr. Part No.BMF 235K-PS-C-2A-SA2-S49-00,5
BrandBALLUFF
$90.90
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Block - PNP-NO - M8 - 3 Pin with cable 10 → 30 V dc - 27mm - - - 30V Non Flush -
RS Stock No. 181-1794
Mfr. Part No.IFRM 08P1701/L
BrandBaumer
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Barrel M8 x 1 PNP-NO 2 mm Cable 10 → 30 V dc - 30mm - 8mm - 30V Flush Mount -
RS Stock No. 227-365
Mfr. Part No.BI4U-M12-AP6X
BrandTurck
$178.88
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Barrel M12 x 1 PNP-NO 4 mm Cable 10 → 30 V dc - 50mm - - - 30V Flush Mount -
RS Stock No. 121-2737
Mfr. Part No.IMF12-04BPPNC0S
BrandSick
$130.00
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Barrel M12 x 1 PNP-NO/NC 4 mm M12 - 4 Pin 10 → 30 V dc IO-LINK 65mm - - - 30V Flush Mount -
RS Stock No. 752-2059
Mfr. Part No.XS1M30KPM40
$419.05
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Barrel M30 x 1.5 PNP/NPN-NO/NC 10 mm Cable 12 → 24 V dc - 60mm - - - 24V Flush Mount -
RS Stock No. 819-3147
Mfr. Part No.Ni10-G18-Y1X
BrandTurck
$180.09
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Barrel M18 x 1 NAMUR 10 mm Cable 8.2 V dc - 34mm - - - 8.2V Non Flush -
RS Stock No. 249-2439
Mfr. Part No.NBB8-18GM50-E0-V1
$138.60
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Barrel M18 x 1 NPN-NO 8 mm M12 - 4 Pin 10 → 30 V dc - 65mm - - - 30V Flush Mount -
RS Stock No. 814-1001
Mfr. Part No.BES M12MI-PSC40B-BV03
BrandBALLUFF
$80.63
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Barrel M12 x 1 PNP-NO 4 mm Cable 12 → 30 V dc - 53mm - - - 30V Flush Mount -
RS Stock No. 444-3287
Mfr. Part No.XS618B1PAL2
$118.47
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Barrel M18 x 1 PNP-NO 8 mm Cable 12 → 48 V dc - 62mm - - - 58V Flush Mount -
RS Stock No. 265-6087
Mfr. Part No.NBB2-8GM50-E2
$132.00
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Barrel M8 x 1 PNP-NO 2 mm Cable 10 → 30 V dc - 50mm - - - 30V Flush Mount -
RS Stock No. 805-5049
Mfr. Part No.E2B-S08LN04-WP-B1 2M
BrandOmron
$71.78
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Barrel M8 x 1 PNP-NO 4 mm Cable 12 → 24 V dc - 49mm - - - 30V Non Flush -
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Barrel M18 x 1 NPN-NO 12 mm M12 - 4 Pin 12 → 24 V dc - 70mm - - - 36V Non Flush -
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