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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RS庫存編號 902-7492
製造零件編號BCS M12BBE2-PSC80H-S04K
BrandBALLUFF
HK$697.95
單位
Barrel M12 x 1 PNP-NO 8 mm 10 → 30 V dc M12 - 4 Pin - IP67 30V Non-flush 75mm - - -
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製造零件編號E2K-C25MF2
BrandOmron
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單位
Barrel - PNP-NC 25 mm 10 → 40 V dc Cable - IP66 40V Non Flush 82mm - 34mm -
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BrandBALLUFF
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Barrel M8 x 1 PNP-NO 1.5 mm 11 → 30 V dc M8 - 3 Pin - IP65 30V Flush 54mm - - -
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單位
Block - PNP-NO/NC 25 mm 10 → 40 V dc M12 - 4 Pin - IP67 40V Flush, Non Flush 35mm - 68.3mm 15mm
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BrandRS PRO
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單位
Barrel M30 x 1.5 PNP-NO/NC 15 mm 10 → 30 V dc M12 - 4 Pin - IP67 30V Non Flush 91mm - - -
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HK$1,177.00
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BrandRS PRO
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單位
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BrandTurck
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BrandSick
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BrandBALLUFF
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單位
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RS庫存編號 902-7518
製造零件編號BCS M30B4E1-PSC25H-EP02
BrandBALLUFF
HK$1,020.10
單位
Barrel M30 x 1.5 PNP-NO 25 mm 10 → 30 V dc Cable - IP67 30V Non Flush 66.5mm - - -
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BrandRS PRO
HK$622.65
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Barrel M30 x 1.5 PNP-NO 10 mm 10 → 30 V dc M12 - 4 Pin - IP67 30V Flush 79mm - - -
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BrandRS PRO
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Barrel M30 x 1.5 NPN-NO 15 mm 10 → 30 V dc Cable - IP67 30V Non Flush 79mm - - -
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BrandBALLUFF
HK$709.97
單位
Barrel M12 x 1 PNP-NO 7 mm 10 → 30 V dc Cable - IP67 30V Flush 61mm - - -
RS庫存編號 184-5598
BrandRS PRO
HK$622.65
單位
Barrel M18 x 1 NO 8 mm 20 → 250 V ac M12 - 4 Pin - IP67 - Non Flush 91.5mm - - -
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製造零件編號BCS M08T4C-XXS15C-EP02-GZ01-002
BrandBALLUFF
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BrandRS PRO
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