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. 859-2875
Mfr. Part No.CD50CNF06NO
MYR211.30
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. 814-0339
Mfr. Part No.KF5001
MYR585.00
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Barrel M12 x 1 PNP-NO 6 mm 10 → 36 V dc M12 - 4 Pin - IP65 36V Non Flush 61.2mm - - -
RS Stock No. 446-0204
Mfr. Part No.CFDM 20P 1500 S35L
BrandBaumer
MYR945.18
Each
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Block - PNP-NO 5 mm 10 → 30 V dc M8 - 3 Pin - IP65 30V Flush 44mm - 20mm 12mm
RS Stock No. 554-649
Mfr. Part No.KI5085
MYR654.00
Each
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Barrel M30 x 1.5 PNP-NO/NC 8 mm 10 → 36 V dc M12 - 4 Pin IO-LINK IP65, IP67 36V Flush 90mm IO-Link - -
RS Stock No. 554-667
Mfr. Part No.KI5087
MYR654.00
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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. 280-6541
Mfr. Part No.CJ40-FP-A2-P1
MYR1,632.89
Each
units
Block - PNP-NO/NC 40 mm 10 → 60 V dc M20 Gland - IP65 60V Non Flush 80mm - 80mm 52.5mm
RS Stock No. 896-7273
BrandRS PRO
MYR297.28
Each
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Block - PNP-NO 10 mm 10 → 30 V dc Cable - IP67 30V Non Flush 50mm - 20mm 10mm
RS Stock No. 218-995
Mfr. Part No.CQ28-10NPP-KW1
BrandSick
MYR365.60
Each
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Block - PNP-NO/NC 10 mm 10 → 30 V dc Cable - IP68 30V Non Flush 46mm - 27.6mm 5.5mm
RS Stock No. 902-7495
Mfr. Part No.BCS M12BBG1-PSC80H-EP02
BrandBALLUFF
MYR418.31
Each
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Barrel M12 x 1 PNP-NO 7 mm 10 → 30 V dc Cable - IP67 30V Flush 61mm - - -
RS Stock No. 896-7282
BrandRS PRO
MYR309.24
Each
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Block - PNP-NO 8 mm 10 → 30 V dc Cable - IP67 30V Non Flush 50mm - 30mm 7mm
RS Stock No. 370-4171
Mfr. Part No.CFAM 12P 1600 S14
BrandBaumer
MYR811.11
Each
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Barrel M12 x 1 PNP-NO 4 mm 10 → 30 V dc M12 - 4 Pin - IP65 30V Flush 76mm - 12mm -
RS Stock No. 787-1332
Mfr. Part No.KI503A
MYR712.00
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Barrel M30 x 1.5 PNP-NO 15 mm 10 → 30 V dc - - IP65, IP67 30V Non Flush 150mm - - -
RS Stock No. 780-0080
Mfr. Part No.CBB8-18GS75-E2
MYR535.59
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. 822-4513
Mfr. Part No.E2K-X4MF1
BrandOmron
MYR628.68
Each
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Barrel M12 x 1 PNP-NO 4 mm 10 → 30 V dc Cable - IP66 30V Non Flush 80mm - 10.7mm -
RS Stock No. 339-5395
Mfr. Part No.CBN5-F46-E2
MYR370.67
Each
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Block - PNP-NO 5 mm 10 → 30 V dc Cable - IP67 30V Non Flush 50mm - 20mm 5mm
RS Stock No. 822-4507
Mfr. Part No.E2K-L26MC1
BrandOmron
MYR841.12
Each
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Block - NPN-NO 12 → 26mm pipe 10.8 → 30 V dc Cable - IP66 30V Flush 33mm - 34mm 20mm
RS Stock No. 902-7473
Mfr. Part No.BCS Q40BBAA-PSC20C-EP00,3-GS49
BrandBALLUFF
MYR300.18
Each
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Block - PNP-NO 20 mm 10 → 30 V dc Cable - IP67 30V Flush 40mm - 40mm 10mm
RS Stock No. 822-4497
Mfr. Part No.E2K-C25MF2
BrandOmron
MYR879.81
Each
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Barrel - PNP-NC 25 mm 10 → 40 V dc Cable - IP66 40V Non Flush 82mm - 34mm -
RS Stock No. 902-7470
Mfr. Part No.BCS Q40BBAA-GPC20C-EP02
BrandBALLUFF
MYR276.01
Each
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Block - PNP/NPN-NO/NC 20 mm 10 → 30 V dc Cable - IP67 30V Flush 40mm - 40mm 10mm
RS Stock No. 896-7241
BrandRS PRO
MYR378.97
Each
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Barrel M18 x 1 NO 5 mm 20 → 250 V ac Cable - IP67 - Flush 83.5mm - - -