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庫存編號 446-0204
製造零件編號CFDM 20P 1500 S35L
BrandBaumer
HK$1,628.74
單位
Block - PNP-NO 5 mm 10 → 30 V dc M8 - 3 Pin - IP65 30V Flush 44mm - 20mm 12mm
RS庫存編號 768-5724
製造零件編號CFDK 25G1125/KS35LN4
BrandBaumer
HK$1,292.72
單位
Block - PNP-NO/NC 8 mm 10 → 30 V dc M8 - 3 Pin with Cable - IP65 30V Flush 52.4mm - 25mm 6mm
RS庫存編號 446-0197
製造零件編號CFAM 30P 1600 S14
BrandBaumer
HK$1,221.84
單位
Barrel M30 x 1.5 PNP-NO 15 mm 10 → 30 V dc M12 - 4 Pin - IP65 30V Flush 82mm - 30mm -
RS庫存編號 768-5728
製造零件編號CFDK 25G1125/LN6
BrandBaumer
HK$894.26
單位
Block - PNP-NO/NC 15 mm 10 → 30 V dc Cable - IP65 30V Non Flush 52.4mm - 25mm 6mm
RS庫存編號 768-5721
製造零件編號CFDK 25G1125/LN4
BrandBaumer
HK$1,275.87
單位
Block - PNP-NO/NC 8 mm 10 → 30 V dc Cable - IP65 30V Flush 52.4mm - 25mm 6mm
RS庫存編號 446-0175
製造零件編號CFAM 18P 1600 S14
BrandBaumer
HK$1,694.04
單位
Barrel M18 x 1 PNP-NO 8 mm 10 → 30 V dc M12 - 4 Pin - IP65 30V Flush 78.5mm - 18mm -
RS庫存編號 768-5718
製造零件編號CFDK 25G1125/LN3
BrandBaumer
HK$1,189.76
單位
Block - PNP-NO/NC 4 mm 10 → 30 V dc Cable - IP65 30V Flush 52.4mm - 25mm 6mm
RS庫存編號 768-5737
製造零件編號CFDK 25G1125/KS35LN6
BrandBaumer
HK$1,292.72
單位
Block - PNP-NO/NC 15 mm 10 → 30 V dc M8 - 3 Pin with Cable - IP65 30V Non Flush 52.4mm - 25mm 6mm
RS庫存編號 370-4171
製造零件編號CFAM 12P 1600 S14
BrandBaumer
HK$1,397.71
單位
Barrel M12 x 1 PNP-NO 4 mm 10 → 30 V dc M12 - 4 Pin - IP65 30V Flush 76mm - 12mm -