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. 164-6096
BrandRS PRO
$45.55
Each
units
Barrel M8 x 1 PNP-NO 2.5 mm Cable 10 → 30 V dc - 52mm - 8mm - 30V Non-Flush -
RS Stock No. 164-6094
BrandRS PRO
$49.26
Each
units
Barrel M8 x 1 NPN-NO 1.5 mm Cable 10 → 30 V dc - 52mm - 8mm - 30V Flush Mount -
RS Stock No. 208-128
BrandRS PRO
$121.03
Each
units
Block - PNP-NO 15 mm M12 - 4 Pin 10 → 30 V dc - 46mm - 40mm 40mm 30V Flush Mount -
RS Stock No. 164-6093
BrandRS PRO
$42.42
Each
units
Barrel M8 x 1 NPN-NO 1.5 mm Cable 10 → 30 V dc - 52mm - 8mm - 30V Flush Mount -
RS Stock No. 164-6092
BrandRS PRO
$45.55
Each
units
Barrel M8 x 1 PNP-NO 1.5 mm Cable 10 → 30 V dc - 52mm - 8mm - 30V Flush Mount -
RS Stock No. 208-112
BrandRS PRO
$129.59
Each
units
Block - PNP-NO 25 mm M12 - 4 Pin 10 → 30 V dc - 46mm - 40mm 40mm 30V Non Flush -
RS Stock No. 164-6097
BrandRS PRO
$45.55
Each
units
Barrel M8 x 1 NPN-NO 2.5 mm Cable 10 → 30 V dc - 52mm - 8mm - 30V Non-Flush -
RS Stock No. 335-6227
Mfr. Part No.IG5953
$185.22
Each
units
Barrel M18 x 1 PNP/NPN-NO/NC 8 mm M12 - 4 Pin 10 → 36 V dc - 70mm - - - 36V Flush Mount -
RS Stock No. 805-2517
Mfr. Part No.E2B-M12KN08-M1-B2
BrandOmron
$40.41
Each
units
Barrel M12 x 1 PNP-NC 8 mm M12 - 4 Pin 12 → 24 V dc - 31mm - - - 30V Flush Mount -
RS Stock No. 444-3287
Mfr. Part No.XS618B1PAL2
$103.56
Each
units
Barrel M18 x 1 PNP-NO 8 mm Cable 12 → 48 V dc - 62mm - - - 58V Flush Mount -
RS Stock No. 805-2602
Mfr. Part No.E2B-M12LN08-WP-B1 2M
BrandOmron
$66.23
Each
units
Barrel M12 x 1 PNP-NO 8 mm Cable 12 → 24 V dc - 53mm - - - 30V Non Flush -
RS Stock No. 444-3293
Mfr. Part No.XS618B1PAM12
$190.86
Each
units
Barrel M18 x 1 PNP-NO 8 mm M12 - 4 Pin 12 → 48 V dc - 74mm - - - 58V Flush Mount -
RS Stock No. 444-3366
Mfr. Part No.XS630B1MAL2
$204.81
Each
units
Barrel M30 x 1.5 NO 15 mm Cable 24 → 240 V ac/dc - 62mm - - - 264V Flush Mount 264V
RS Stock No. 444-3265
Mfr. Part No.XS612B1PAL2
$147.77
Each
units
Barrel M12 x 1 PNP-NO 4 mm Cable 12 → 48 V dc - 53mm - - - 58V Flush Mount -
RS Stock No. 404-881
Mfr. Part No.E2AS12KS04M1B1
BrandOmron
$88.64
Each
units
Barrel M12 x 1 PNP-NO 4 mm M12 - 4 Pin 12 → 24 V dc - 48mm - - - 32V Flush Mount -
RS Stock No. 805-4711
Mfr. Part No.E2B-M18KS08-M1-B1
BrandOmron
$40.94
Each
units
Barrel M18 x 1 PNP-NO 8 mm M12 - 4 Pin 12 → 24 V dc - 39mm - - - 30V Flush Mount -
RS Stock No. 124-0307
Mfr. Part No.NBN40-U1-UU
$280.14
Each
units
Block - NO/NC 40 mm M20 Gland 20 → 253 V ac, 20 → 300 V dc - 118mm - 40mm 40mm 300V Non Flush 253V
RS Stock No. 249-2265
Mfr. Part No.NBB5-18GM50-E2
$98.45
Each
units
Barrel M18 x 1 PNP-NO 5 mm Cable 10 → 30 V dc - 50mm - - - 30V Flush Mount -
RS Stock No. 182-972
Mfr. Part No.XS1M30MA250
$173.50
Each
units
Barrel M30 x 1.5 NO 10 mm Cable 24 → 210 V dc, 24 → 240 V ac - 55mm - - - 264V Flush Mount 264V
RS Stock No. 444-3350
Mfr. Part No.XS618B1MAU20
$211.88
Each
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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
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