Capacitive Proximity Sensors

Capacitive proximity sensors are a type of sensor that can detect metallic and non-metallic materials. They can detect and measure materials that are conductive or have a greater dielectric constant than air. They are able to detect materials in solid form, in powder form or in granulate.
How do they work?
Capacitive sensors use an electrical field to detect objects. Any changes in capacitance in the sensing area are detected by the sensor, which then changes state.
What are they used for?
Capacitive proximity sensors are incredibly versatile as they are able to sense both ferrous and non-ferrous materials. These sensors are frequently found within the automotive industry, in the food industry and within storage and conveyor systems. Capacitive proximity sensors can be used to detect liquid through non-ferrous materials such as glass or plastic. Typical applications include the induction moulding process, liquid level detection and material level control.
Things to consider
Capacitive proximity sensors are ideal for sensing all sorts of materials, but you must keep them away from non-target materials. Non-target materials can potentially interfere with the sensor, and provide inaccurate or incorrect readings.
Capacitive proximity sensors have an excellent life span and are highly reliable. They are resistant to fault and contaminants such as dust and spray particles have very little impact on them. However, you should bear in mind that they can be a little slower to provide a reading that inductive sensors.

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Description Price Body Style Thread Size Output Type Detection Range Supply Voltage Terminal Type Communication Protocol IP Rating Maximum DC Voltage Mounting Style Length Interface Width Depth
RS Stock No. 896-7229
BrandRS PRO
SGD104.37
Each
units
Barrel M18 x 1 NPN-NO 5 mm 10 → 30 V dc Cable - IP67 30V Flush 70mm - - -
RS Stock No. 896-7232
BrandRS PRO
SGD104.37
Each
units
Barrel M18 x 1 PNP-NO 5 mm 10 → 30 V dc Cable - IP67 30V Flush 70mm - - -
RS Stock No. 896-7273
BrandRS PRO
SGD88.06
Each
units
Block - PNP-NO 10 mm 10 → 30 V dc Cable - IP67 30V Non Flush 50mm - 20mm 10mm
RS Stock No. 896-7276
BrandRS PRO
SGD157.50
Each
units
Barrel M30 x 1.5 AC/DC-NO 15 mm 20 → 250 V ac/dc Cable - IP67 250V Non Flush 91mm - - -
RS Stock No. 184-5592
BrandRS PRO
SGD108.53
Each
units
Barrel M18 x 1 NO 5 mm 20 → 250 V ac M12 - 4 Pin - IP67 - Flush 83.5mm - - -
RS Stock No. 184-5598
BrandRS PRO
SGD108.55
Each
units
Barrel M18 x 1 NO 8 mm 20 → 250 V ac M12 - 4 Pin - IP67 - Non Flush 91.5mm - - -
RS Stock No. 184-5593
BrandRS PRO
SGD104.66
Each
units
Barrel M18 x 1 NPN-NO/NC 5 mm 10 → 30 V dc Cable - IP67 30V Flush 70mm - - -
RS Stock No. 184-5604
BrandRS PRO
SGD104.82
Each
units
Barrel M18 x 1 NPN-NO/NC 5 mm 10 → 30 V dc Cable - IP67 30V Flush 70mm - - -
RS Stock No. 184-5637
BrandRS PRO
SGD108.55
Each
units
Barrel M30 x 1.5 NO 15 mm 20 → 250 V ac M12 - 4 Pin - IP67 - Non Flush 91mm - - -
RS Stock No. 184-5635
BrandRS PRO
SGD154.28
Each
units
Barrel M30 x 1.5 NO 10 mm 20 → 250 V ac/dc M12 - 4 Pin - IP67 250V Flush 79mm - - -
RS Stock No. 184-5623
BrandRS PRO
SGD116.37
Each
units
Barrel M30 x 1.5 NPN-NO/NC 15 mm 10 → 30 V dc M12 - 4 Pin - IP67 30V Non Flush 91mm - - -
RS Stock No. 184-5591
BrandRS PRO
SGD104.20
Each
units
Barrel M18 x 1 NO 5 mm 20 → 250 V ac Cable - IP67 - Flush 70mm - - -
RS Stock No. 184-5594
BrandRS PRO
SGD104.20
Each
units
Barrel M18 x 1 NPN-NO/NC 5 mm 10 → 30 V dc M12 - 4 Pin - IP67 30V Flush 83.5mm - - -
RS Stock No. 184-5613
BrandRS PRO
SGD108.55
Each
units
Barrel M30 x 1.5 NO 10 mm 20 → 250 V ac Cable - IP67 - Flush 62mm - - -
RS Stock No. 184-5599
BrandRS PRO
SGD104.66
Each
units
Barrel M18 x 1 NPN-NO/NC 8 mm 10 → 30 V dc Cable - IP67 30V Non Flush 78mm - - -
RS Stock No. 184-5584
BrandRS PRO
SGD91.18
Each
units
Block M12 x 1 PNP-NO 2 mm 10 → 30 V dc Cable - IP67 30V Flush 52mm - - -
RS Stock No. 184-5603
BrandRS PRO
SGD100.76
Each
units
Barrel M18 x 1 NO 5 mm 20 → 250 V ac M12 - 4 Pin - IP67 - Flush 83.5mm - - -
RS Stock No. 184-5608
BrandRS PRO
SGD100.76
Each
units
Barrel M18 x 1 NO 8 mm 20 → 250 V ac M12 - 4 Pin - IP67 - Non Flush 91.5mm - - -
RS Stock No. 146-6751
BrandRS PRO
SGD111.46
Each
units
Barrel M12 x 1 PNP-NO 2 mm 10 → 30 V dc Cable - IP67 30V Flush 52mm - - -
RS Stock No. 146-6756
BrandRS PRO
SGD111.46
Each
units
Barrel M12 x 1 PNP-NO 4 mm 10 → 30 V dc M12 - 4 Pin - IP67 30V Non Flush 65mm - - -
Related Products
Introducing the range of RS PRO Capacitive Proximity ...
Description:
Introducing the range of RS PRO Capacitive Proximity Sensors. These versatile and high-quality sensors are an essential addition to any environment where measurement of attributes like pressure, thickness, etc. are integral to business operations, like manufacturing plants and industrial environments. ...