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. 805-2548
Mfr. Part No.E2B-M12KN08-WP-C1 2M
BrandOmron
HK$256.27
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Barrel M12 x 1 NPN-NO 8 mm Cable - 12 → 24 V dc - 30mm - - 30V Flush Mount -
RS Stock No. 512-4498
Mfr. Part No.XS512B1PAM12
HK$755.82
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Barrel M12 x 1 PNP-NO 2 mm M12 - 4 Pin - 12 → 24 V dc - 50mm - - 36V Flush Mount -
RS Stock No. 816-3667
Mfr. Part No.XSDA600519H7
HK$2,309.33
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Block - NO/NC 60 mm Cable - - - 100mm - - - Flush Mount -
RS Stock No. 208-257
BrandRS PRO
HK$621.55
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Barrel M12 x 1 PNP-NO 8 mm M12 - 4 Pin - 10 → 30 V dc - 52mm - - 30V Non Flush -
RS Stock No. 289-8506
Mfr. Part No.NBB2-V3-E0
HK$407.80
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Block - NPN-NO 2 mm Cable - 10 → 30 V dc - 27.8mm 16mm 10mm 30V - -
RS Stock No. 610-5038
Mfr. Part No.3RG4014-0KB00-PF
HK$1,219.39
Each
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Barrel M30 x 1.5 NO 10 mm Cable - 20 → 265 V ac, 20 → 320 V dc - 54mm - - 320V Flush Mount 265V
RS Stock No. 437-0757
Mfr. Part No.IFRM 08P17A1/S35L
BrandBaumer
HK$640.64
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 -
RS Stock No. 105-8530
Mfr. Part No.NBB15-30GM50-E2-V1
HK$900.01
Each
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Barrel M30 x 1.5 PNP-NO 15 mm M12 - 4 Pin - 10 → 30 V dc - 65mm - - 30V Flush Mount -
RS Stock No. 804-9426
Mfr. Part No.E2A-S08KS02-M1-B2
BrandOmron
HK$742.92
Each
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Barrel M8 x 1 PNP-NC 2 mm M12 - 4 Pin - 12 → 24 V dc - 27mm - - 32V Flush Mount -
RS Stock No. 829-5108
Mfr. Part No.XS8D1A1MAU20
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Block - NO 60 mm 1/2" 20 UNF - 3 Pin with cable - 20 → 264 V ac/dc - 80mm 80mm 26mm 264V Non Flush 264V
RS Stock No. 739-6604
Mfr. Part No.IIS206
HK$781.74
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Barrel M30 x 1.5 PNP/NPN-NO 15 mm M12 - 4 Pin - 10 → 36 V dc - 70mm - - 36V Flush Mount -
RS Stock No. 831-3676
Mfr. Part No.NBN4-12GM35-A2-V1
HK$482.76
Each
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Barrel M12 x 1 PNP-NO/NC 4 mm M12 - 4 Pin - 10 → 30 V dc - 45mm - - 30V Non Flush -
RS Stock No. 328-1397
Mfr. Part No.RC10-14-N0
HK$827.59
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Ring - NAMUR 20 mm Cable - 5 → 25 V dc - 32.5mm 25mm 20mm 25V - -
RS Stock No. 831-3593
Mfr. Part No.NBB5-18GM60-A0-V1
HK$954.67
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Barrel M12 x 1 NPN-NO/NC 5 mm M12 - 4 Pin - 10 → 30 V dc - 70mm - - 30V Flush Mount -
RS Stock No. 285-712
Mfr. Part No.IG5594
HK$680.05
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Barrel M18 x 1 NO/NC 5 mm Cable - 10 → 55 V dc - 80mm - - 55V Flush Mount -
RS Stock No. 404-865
Mfr. Part No.E2AS12LS04WPB12M
BrandOmron
HK$475.76
Each
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Barrel M12 x 1 PNP-NO 4 mm Cable - 12 → 24 V dc - 56mm - - 32V Flush Mount -
RS Stock No. 814-1023
Mfr. Part No.BES M08EC-PSC15B-S49G
BrandBALLUFF
HK$680.11
Each
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Barrel M8 x 1 PNP-NO 1.5 mm M8 - 3 Pin - 12 → 30 V dc - 30mm - - 30V Flush Mount -
RS Stock No. 610-4956
Mfr. Part No.3RG4012-0KB00
HK$1,121.44
Each
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Barrel M12 x 1 NO 2 mm Cable - 20 → 265 V ac, 20 → 320 V dc - 56mm - - 320V Flush Mount 265V
RS Stock No. 281-1278
Mfr. Part No.XS1N05PA310
HK$652.54
Each
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Barrel M5 x 0.5 PNP-NO 1 mm Cable - 5 → 24 V dc - 29mm - - 30V Flush Mount -
RS Stock No. 750-6757
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BrandOmron
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Block - PNP-NO 5 mm Cable - 10 → 30 V dc - 30.5mm 18mm - 30V - -
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