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. 744-9926
Mfr. Part No.E2K-F10MC1 2M
BrandOmron
R 860.75
Each
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Block - NPN-NO 10 mm 10 → 30 V dc Cable - IP66 30V Non Flush 50mm - 20mm 10.1mm
RS stock no. 814-0333
Mfr. Part No.KF5002
R 2,082.58
Each
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Barrel M12 x 1 PNP-NO 12 mm 10 → 36 V dc M12 - 4 Pin - IP65 36V Non Flush 61.2mm - - -
RS stock no. 837-7648
Mfr. Part No.BC10-QF5.5-AP6X2
BrandTurck
R 2,144.83
Each
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Block - PNP-NO 10 mm 10 → 30 V dc Cable - IP67 30V Flush 50.3mm - 20.3mm 5.5mm
RS stock no. 856-8434
Mfr. Part No.EC3025TBAPL
R 4,976.96
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Barrel M30 x 1.5 NO/NC 25 mm 20 → 265 V ac Cable - IP67 - Non Flush 91mm - - -
RS stock no. 377-8504
Mfr. Part No.BCS003K
R 2,126.91
Each
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Barrel - PNP/NPN-NO/NC 25 mm 10 → 30 V dc Cable - IP65 30V Flush - - - 10mm
RS stock no. 902-7449
Mfr. Part No.BCS M18BBI3-PSC80D-S04K
BrandBALLUFF
R 1,183.56
Each
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Barrel M18 x 1 PNP-NO 8 mm 10 → 30 V dc M12 - 4 Pin - IP67 30V Flush 88.5mm - - -
RS stock no. 902-7411
Mfr. Part No.BCS R08RR01-PSM80C-EP00,2-GS49
BrandBALLUFF
R 1,602.75
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Block - PNP-NO 8 mm 12 → 30 V dc Cable - IP67 30V Flush 34mm - 16mm 8mm
RS stock no. 859-2875
Mfr. Part No.CD50CNF06NO
R 671.03
Each
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Block - NPN-NO 6 mm 10 → 30 V dc Cable - IP67 30V Non Flush 30mm - 50mm 7mm
RS stock no. 837-7642
Mfr. Part No.BC10-QF5.5-AP6X2/S250
BrandTurck
R 2,705.15
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Block - PNP-NO 10 mm 10 → 30 V dc Cable - IP67 30V Flush 50.3mm - 20.3mm 5.5mm
RS stock no. 902-7467
Mfr. Part No.BCS M30BBI2-PSC15D-S04K
BrandBALLUFF
R 1,389.61
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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. 837-7752
Mfr. Part No.BCF10-S30-VP4X-H1141
BrandTurck
R 4,244.28
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Barrel M30 x 1.5 PNP-CO 15 mm 10 → 65 V dc M12 - 4 Pin - IP67 65V Flush, Non Flush 71mm - - -
RS stock no. 902-7420
Mfr. Part No.BCS M08T4E2-PSM15C-S49G
BrandBALLUFF
R 2,898.53
Each
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Barrel M8 x 1 PNP-NO 1.5 mm 11 → 30 V dc M8 - 3 Pin - IP65 30V Flush 54mm - - -
RS stock no. 822-4497
Mfr. Part No.E2K-C25MF2
BrandOmron
R 2,523.61
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Barrel - PNP-NC 25 mm 10 → 40 V dc Cable - IP66 40V Non Flush 82mm - 34mm -
RS stock no. 902-7427
Mfr. Part No.BCS M12B4G2-PSC40D-S04K
BrandBALLUFF
R 1,743.35
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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. 158-5063
Mfr. Part No.KB0025
R 3,305.74
Each
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Barrel - - 20 mm 20 → 250 V ac/dc Cable - IP65 250V Non Flush 99mm - - -
RS stock no. 902-7455
Mfr. Part No.BCS M30B4I2-PSC15D-S04K
BrandBALLUFF
R 1,863.36
Each
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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. 902-7433
Mfr. Part No.BCS M12BBI1-PSC40D-EP02
BrandBALLUFF
R 1,314.31
Each
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Barrel M12 x 1 PNP-NO 4 mm 10 → 30 V dc Cable - IP67 30V Flush 61mm - - -
RS stock no. 902-7408
Mfr. Part No.BCS M12T4D-XXS40C-EP02-GZ01-002
BrandBALLUFF
R 1,811.46
Each
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Barrel M12 x 1 Amplifier Interface 4 mm 4 → 8 V dc Cable - IP67 8V Flush 30mm - - -
RS stock no. 780-0080
Mfr. Part No.CBB8-18GS75-E2
R 2,032.44
Each
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Barrel M18 x 1 PNP-NO 8 mm 10 → 30 V dc Cable - IP67 30V Flush 75.5mm - - -
RS stock no. 406-354
Mfr. Part No.XT130B1FBL2
R 2,393.10
Each
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Barrel M30 x 1.5 NC 10 mm 24 → 240 V ac Cable - IP67 - Flush 70mm - - -