Proximity Sensors

Proximity sensors are designed to detect the presence and proximity of an object in range without any physical contact, using sound, light, infrared or electromagnetic fields instead. You can learn more in our complete guide to proximity sensors.


Types of Proximity Sensor

  • Inductive -  An inductive sensor provides non-contact detection of metallic objects. Some sensors can target both ferrous and non-ferrous metals, while others specialise in sensing only one type

 

  • Ultrasonic -  Ultrasonic sensors work by emitting a short burst of ultrasonic sound at a specific frequency towards the target. When the target reflects the sound back to the sensor, the sensor measures the time it takes for the echo to return. The sensor will use the time it takes the soundwave to travel back to calculate the distance between the sensor and the object.

 

  • Capacitive - Capacitive sensors can detect metallic and non-metallic materials. They can detect and measure materials that are conductive or have a greater dielectric constant than air using an electrical field

 

  • Infrared - Infrared sensors measure light with a wavelength in the IR spectrum (>700nm). They are not good at detecting visible light. IR sensors can recognise light from either external or built-in light sources.




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Description Price Body Style Sensor Technology Thread Size Output Type Detection Range Terminal Type Series Supply Voltage Communication Protocol Length Width Depth Maximum DC Voltage Mounting Type
RS Stock No. 184-5607
BrandRS PRO
$107.34
Each
units
Barrel Capacitive M18 x 1 PNP 5 mm M12 - 4 Pin - 10 → 30 V dc - 83.5mm - - 30V -
RS Stock No. 902-7398
Mfr. Part No.BCS M08T4C1-XXS30G-EP02-GZ01-002
BrandBALLUFF
$240.88
Each
units
Barrel Capacitive M8 x 1 Amplifier Interface 3 mm Cable - 4 → 8 V dc - 28mm - - 8V -
New
RS Stock No. 209-3446
Mfr. Part No.IME12-04BNOZC0K
BrandSick
$46.90
Each
units
Barrel Inductive M12 x 1 NPN Normally Closed 4 mm Connector M12, 4-Pin - 10 → 30 V - 46mm 12mm - 30V Flush Mount
New
RS Stock No. 206-6138
BrandRS PRO
$61.52
Each
units
Barrel Inductive M12 x 1 PNP 4 mm Male connector M12, 4-pin - 10 → 30 V dc - 65mm - - - Flush
RS Stock No. 188-8534
Mfr. Part No.BI10U-M18-IOL6X2-H1141
BrandTurck
$240.60
Each
units
Barrel Inductive M18 x 1 NPN, PNP - - - 10 → 30 V dc IO-LINK 52mm 18 Dia.mm - 30V Flush Mount
New
RS Stock No. 210-0748
Mfr. Part No.UNAM 50U6121/S14
BrandBaumer
$935.84
Each
units
Barrel Ultrasonic M12 Voltage 2500 mm M12-3 Pin - - - - - - - -
RS Stock No. 188-9100
Mfr. Part No.E2E-X23B1T30 2M
BrandOmron
$107.25
Each
units
Barrel Inductive M30 x 1.5 PNP 23 mm Cable E2E-NEXT 10 → 30 V dc IO-LINK 60.3mm 30mm - 30V Flush Mount
New
RS Stock No. 209-3478
Mfr. Part No.IME12-04NNSZW2S
BrandSick
$46.90
Each
units
Barrel Inductive M12 x 1 NPN Normally Open 4 mm Cable, 2 m, 3-wire - 10 → 30 V - 63mm 12mm - 30V Non-Flush
RS Stock No. 195-1849
Mfr. Part No.XS512BSDAM12
$69.81
Each
units
Barrel Inductive M12 x 1 - 2 mm M12 - 4 Pin - 10 → 36 V dc, 12 → 24 V dc - 49.95mm - - 24 V, 36V Flush Mount
RS Stock No. 195-1891
Mfr. Part No.XSZBC10
$18.57
Each
units
- Inductive - - - - - - - - - - - -
RS Stock No. 184-5626
BrandRS PRO
$128.97
Each
units
Barrel Capacitive M30 x 1.5 PNP 15 mm M12 - 4 Pin - 10 → 30 V dc - 91mm - - 30V -
RS Stock No. 205-5811
Mfr. Part No.USEQFSM1464100
BrandKEMET
$110.14
Each
units
- Infrared - Analogue, Digital - - - - - - - - - -
New
RS Stock No. 209-3318
Mfr. Part No.IMB18-12NPOVC0S
BrandSick
$79.00
Each
units
Barrel Inductive M18 x 1 PNP Normally Closed 12 mm Connector M12, 4-Pin - 10 → 30 V - 65mm 18mm - 30V Non-Flush
RS Stock No. 902-7464
Mfr. Part No.BCS M30B4I1-PSC15D-EP02
BrandBALLUFF
$198.06
Each
units
Barrel Capacitive M30 x 1.5 PNP 15 mm Cable - 10 → 30 V dc - 66.5mm - - 30V -
New
RS Stock No. 210-0684
Mfr. Part No.IWFK 20Z8704/S35A
BrandBaumer
$696.49
Each
units
Block Inductive M8 PNP 10 mm M8 - 4 Pin - 30 V - 42mm - - - -