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. 902-7382
Mfr. Part No.BCS M05T4C-XXS10C-EP02-GZ01-002
BrandBALLUFF
SGD200.31
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Barrel M5 x 0.5 Amplifier Interface 1 mm 4 → 8 V dc Cable - IP67 8V Flush 29mm - - -
RS Stock No. 902-7512
Mfr. Part No.BCS M30BBE2-PSC25H-S04K
BrandBALLUFF
SGD125.44
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Barrel M30 x 1.5 PNP-NO 25 mm 10 → 30 V dc M12 - 4 Pin - IP67 30V Non Flush 78.5mm - - -
RS Stock No. 179-9950
Mfr. Part No.XT218A1FAL2
SGD209.52
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Barrel M18 x 1 NO 8 mm 24 → 240 V ac Cable - IP67 - Non Flush 95mm - 24mm -
RS Stock No. 459-011
Mfr. Part No.XT130B1FAL2
SGD231.61
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Barrel M30 x 1.5 NO 10 mm 24 → 240 V ac Cable - IP67 - Flush 70mm - - -
RS Stock No. 158-5079
Mfr. Part No.KB5004
SGD202.15
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Barrel - PNP-NO 20 mm 10 → 36 V dc Cable - IP65 36V Non Flush 99mm - - -
RS Stock No. 842-8563
Mfr. Part No.CQ4-08EPO KU1
BrandSick
SGD141.04
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Block - PNP-NC 8 mm 10 → 30 V dc Cable - IP67 30V Flush, Non Flush 16mm - 12mm 36.5mm
RS Stock No. 902-7477
Mfr. Part No.BCS R08RRE-PSM80C-EP00,3-GS75
BrandBALLUFF
SGD133.29
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Block - PNP-NO 8 mm 12 → 30 V dc Cable - IP67 30V Flush 34mm - 16mm 8mm
RS Stock No. 902-7401
Mfr. Part No.BCS M12T4D1-XXS80G-EP02-GZ01-002
BrandBALLUFF
SGD134.11
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Barrel M12 x 1 Amplifier Interface 8 mm 4 → 8 V dc Cable - IP67 8V Non Flush 30mm - - -
RS Stock No. 902-7521
Mfr. Part No.BCS M30BBE1-PSC25H-EP02
BrandBALLUFF
SGD105.23
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Barrel M30 x 1.5 PNP-NO 25 mm 10 → 30 V dc Cable - IP67 30V Non Flush 66.5mm - - -
RS Stock No. 219-049
Mfr. Part No.CQ28-10NNP-KW1
BrandSick
SGD181.00
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Block - NPN-NO/NC 10 mm 10 → 30 V dc Cable - IP68 30V Non Flush 46mm - 27.6mm 5.5mm
RS Stock No. 188-5248
Mfr. Part No.CA18CAN12BPA2IO
SGD208.77
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Barrel M18 x 1 PNP/NPN-NO/NC 12 mm 10 → 40 V dc M12 - 4 Pin IO-LINK IP67, IP68, IP69K 40V Non Flush 86mm IO-Link - -
RS Stock No. 184-8824
Mfr. Part No.CBN10-F46-E2
SGD123.00
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Block - PNP-NO 10 mm 10 → 30 V dc Cable - IP67 30V Non Flush 50mm - 25mm 5mm
RS Stock No. 902-7439
Mfr. Part No.BCS M12BBG2-PSC40D-S04K
BrandBALLUFF
SGD123.52
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Barrel M12 x 1 PNP-NO 4 mm 10 → 30 V dc M12 - 4 Pin - IP67 30V Flush 75mm - - -
RS Stock No. 902-7398
Mfr. Part No.BCS M08T4C1-XXS30G-EP02-GZ01-002
BrandBALLUFF
SGD216.56
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Barrel M8 x 1 Amplifier Interface 3 mm 4 → 8 V dc Cable - IP67 8V Non Flush 28mm - - -
RS Stock No. 554-667
Mfr. Part No.KI5087
SGD193.90
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Barrel M30 x 1.5 PNP-NO/NC 15 mm 10 → 36 V dc M12 - 4 Pin IO-LINK IP65, IP67 36V Non Flush 90mm IO-Link - -
RS Stock No. 837-7601
Mfr. Part No.BC 8-Q10-RN6X2-0.15M-SSFP3/S90
BrandTurck
SGD429.44
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Block - NPN-NC 8 mm 10 → 30 V dc Cable, M12 - 4 Pin with Cable - - 30V Flush 42mm - 25mm 10.8mm
RS Stock No. 127-8121
Mfr. Part No.CM30-25NPP-EW1
BrandSick
SGD187.00
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Barrel M30 x 1.5 PNP-NO/NC 25 mm 10 → 36 V dc Cable - IP68, IP69K 36V Non Flush 81mm - 30mm -
RS Stock No. 446-0175
Mfr. Part No.CFAM 18P 1600 S14
BrandBaumer
SGD287.28
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Barrel M18 x 1 PNP-NO 8 mm 10 → 30 V dc M12 - 4 Pin - IP65 30V Flush 78.5mm - 18mm -
RS Stock No. 902-7455
Mfr. Part No.BCS M30B4I2-PSC15D-S04K
BrandBALLUFF
SGD170.95
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Barrel M30 x 1.5 PNP-NO 15 mm 10 → 30 V dc M12 - 4 Pin - IP67 30V Flush 79mm - - -
RS Stock No. 127-8117
Mfr. Part No.CM18-08BPP-EC1
BrandSick
SGD195.00
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Barrel M18 x 1 PNP-NO/NC 8 mm 10 → 36 V dc M12 - 4 Pin - IP68, IP69K 36V Flush 85mm - 18mm -
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