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 considerCapacitive 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 IP Rating Maximum DC Voltage Mounting Style Length Interface Width Depth Maximum AC Voltage
RS Stock No. 184-5588
BrandRS PRO
£45.50
Each
Units
Barrel M12 PNP-NO 4 mm 10 30 V dc Cable IP67 30V Non Flush 56mm - - - -
RS Stock No. 184-5638
BrandRS PRO
£50.28
Each
Units
Barrel M30 NPN-NO/NC 15 mm 10 30 V dc Cable IP67 30V Non Flush 74mm - - - -
RS Stock No. 184-5640
BrandRS PRO
£50.28
Each
Units
Barrel M30 PNP-NO/NC 15 mm 10 30 V dc Cable IP67 30V Non Flush 74mm - - - -
RS Stock No. 184-5605
BrandRS PRO
£48.33
Each
Units
Barrel M18 NPN-NO/NC 5 mm 10 30 V dc M12 - 4 Pin IP67 30V Flush 83.5mm - - - -
RS Stock No. 184-5628
BrandRS PRO
£54.17
Each
Units
Barrel M30 NO 10 mm 20 250 V ac M12 - 4 Pin IP67 - Flush 79mm - - - 250V
RS Stock No. 184-5625
BrandRS PRO
£54.17
Each
Units
Barrel M30 PNP-NO/NC 15 mm 10 30 V dc Cable IP67 30V Non Flush 74mm - - - -
RS Stock No. 184-5611
BrandRS PRO
£46.38
Each
Units
Barrel M18 PNP-NO/NC 8 mm 10 30 V dc Cable IP67 30V Non Flush 78mm - - - -
RS Stock No. 184-5642
BrandRS PRO
£76.99
Each
Units
Barrel M30 NO 15 mm 20 250 V ac/dc M12 - 4 Pin IP67 250V Non Flush 91mm - - - 250V
RS Stock No. 146-6753
BrandRS PRO
£55.62
Each
Units
Barrel M12 PNP-NO 4 mm 10 30 V dc Cable IP67 30V Non Flush 52mm - - - -
RS Stock No. 184-5591
BrandRS PRO
£52.00
Each
Units
Barrel M18 NO 5 mm 20 250 V ac Cable IP67 - Flush 70mm - - - 250V
RS Stock No. 184-5582
BrandRS PRO
£45.50
Each
Units
Barrel M12 NPN-NO 2 mm 10 30 V dc Cable IP67 30V Flush 52mm - - - -
RS Stock No. 184-5599
BrandRS PRO
£52.23
Each
Units
Barrel M18 NPN-NO/NC 8 mm 10 30 V dc Cable IP67 30V Non Flush 78mm - - - -
RS Stock No. 146-6757
BrandRS PRO
£53.80
Each
Units
Barrel M18 PNP-NO/NC 8 mm 10 30 V dc Cable IP67 30V Non Flush 70mm - - - -
RS Stock No. 184-5614
BrandRS PRO
£58.11
Each
Units
Barrel M30 NO 10 mm 20 250 V ac M12 - 4 Pin IP67 - Flush 79mm - - - 250V
RS Stock No. 184-5607
BrandRS PRO
£48.33
Each
Units
Barrel M18 PNP-NO/NC 5 mm 10 30 V dc M12 - 4 Pin IP67 30V Flush 83.5mm - - - -
RS Stock No. 184-5631
BrandRS PRO
£54.17
Each
Units
Barrel M30 NPN-NO/NC 10 mm 10 30 V dc M12 - 4 Pin IP67 30V Flush 79mm - - - -
RS Stock No. 184-5635
BrandRS PRO
£76.99
Each
Units
Barrel M30 NO 10 mm 20 250 V ac/dc M12 - 4 Pin IP67 250V Flush 79mm - - - 250V
RS Stock No. 184-5622
BrandRS PRO
£54.17
Each
Units
Barrel M30 NPN-NO/NC 15 mm 10 30 V dc Cable IP67 30V Non Flush 74mm - - - -
RS Stock No. 184-5579
BrandRS PRO
£54.00
Each
Units
Barrel M12 NPN-NO 2 mm 10 30 V dc M12 - 4 Pin IP67 30V Flush 65mm - - - -
RS Stock No. 184-5596
BrandRS PRO
£52.23
Each
Units
Barrel M18 PNP-NO/NC 5 mm 10 30 V dc Cable IP67 30V Flush 70mm - - - -
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Sick CM series capacitive proximity sensors offers high electromagnetic compatibility (EMC), which prevents switching errors. Sensitivity adjustment can be performed quickly and easily using a potentiometer or teach-in button, saving valuable time during commissioning. Sensors installed in inaccessible locations can be equipped with an external, cabled teach-in button.The CM capacitive ...
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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. With the RS PRO seal of approval, you are guaranteed ...
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The CFDK 25 series of capacitive proximity sensors from Baumer have only a 6mm installation height so are therefore suitable for applications where space is a limiting factor. These capacitive sensors have versatile mounting options including being directly mounted onto a tank and will detect the fill levels of liquids ...