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. 837-7743
Mfr. Part No.BCF10-S30-VP4X
BrandTurck
SGD407.56
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Barrel M30 x 1.5 PNP-CO 15 mm 10 → 65 V dc Cable - IP67 65V Flush, Non Flush 63mm - 40mm -
RS Stock No. 837-7642
Mfr. Part No.BC10-QF5.5-AP6X2/S250
BrandTurck
SGD257.09
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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. 837-7705
Mfr. Part No.BC20-K40SR-VP4X2-H1141
BrandTurck
SGD462.19
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Barrel M30 x 1.5 NO/NC 20 mm 10 → 65 V dc M16 Gland - IP67 65V Flush 90mm - 40mm -
RS Stock No. 443-8099
Mfr. Part No.BC5-Q08-AP6X2-V1131
BrandTurck
SGD206.26
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Block - PNP-NO 5 mm 10 → 30 V dc M8 - 3 Pin - IP67 30V Flush, Non Flush 32mm - 20mm 8mm
RS Stock No. 837-7737
Mfr. Part No.BCF10-S30-RZ3X
BrandTurck
SGD353.72
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Barrel M30 x 1.5 NC 10 mm 20 → 250 V ac Cable - IP67 - Flush 60mm - 40mm -
RS Stock No. 443-8106
Mfr. Part No.BC10-Q14-AP4X2-V1131
BrandTurck
SGD276.66
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Block - PNP-NO 10 mm 10 → 65 V dc M8 - 3 Pin - IP67 65V Non Flush 55.5mm - 30mm 14mm
RS Stock No. 837-7614
Mfr. Part No.BC10-P30SR-VP4X2 W/M16X1.5
BrandTurck
SGD584.36
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Barrel M30 x 1.5 PNP-CO 15 mm 10 → 65 V dc M16 Gland - IP67 65V Flush, Non Flush 115mm - - -
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. 837-7730
Mfr. Part No.BCF 5-S18-AP4X
BrandTurck
SGD284.91
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Barrel M18 x 1 PNP-NO 5 mm 10 → 65 V dc Cable - IP67 65V Flush 72.5mm - 27mm -
RS Stock No. 837-7579
Mfr. Part No.BC 5-Q08-AN6X2-V1131/S250
BrandTurck
SGD270.60
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Block - NPN-NO 5 mm 10 → 30 V dc M8 - 3 Pin - IP67 30V Flush 32mm - 20mm 8mm
RS Stock No. 837-7752
Mfr. Part No.BCF10-S30-VP4X-H1141
BrandTurck
SGD400.26
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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. 837-7648
Mfr. Part No.BC10-QF5.5-AP6X2
BrandTurck
SGD194.52
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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. 837-7686
Mfr. Part No.BC20-CP40-FZ3X2
BrandTurck
SGD504.09
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Block 1/2-14 NPT NO/NC 20 mm 20 → 250 V ac 1/2-14NPT Connector - IP67 - Flush 114mm - 40mm 40mm