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 IP Rating Maximum DC Voltage Mounting Style Length Interface Width Depth Maximum AC Voltage
RS stock no. 896-7232
BrandRS PRO
R 1,001.10
Each
units
Barrel M18 PNP-NO 5 mm 10 → 30 V dc Cable IP67 30V Flush 70mm - - - -
RS stock no. 896-7241
BrandRS PRO
R 1,055.24
Each
units
Barrel M18 NO 5 mm 20 → 250 V ac Cable IP67 - Flush 83.5mm - - - 250V
New
RS stock no. 184-5591
BrandRS PRO
R 998.88
Each
units
Barrel M18 NO 5 mm 20 → 250 V ac Cable IP67 - Flush 70mm - - - 250V
RS stock no. 146-6758
BrandRS PRO
R 996.18
Each
units
Barrel M18 PNP-NO/NC 5 mm 10 → 30 V dc M12 - 4 Pin IP67 30V Flush 83.5mm - - - -
New
RS stock no. 184-5593
BrandRS PRO
R 1,001.85
Each
units
Barrel M18 NPN 5 mm 10 → 30 V dc Cable IP67 30V Flush 70mm - - - -
New
RS stock no. 184-5594
BrandRS PRO
R 989.94
Each
units
Barrel M18 NPN 5 mm 10 → 30 V dc M12 - 4 Pin IP67 30V Flush 83.5mm - - - -
New
RS stock no. 184-5604
BrandRS PRO
R 888.79
Each
units
Barrel M18 NPN 5 mm 10 → 30 V dc Cable IP67 30V Flush 70mm - - - -
New
RS stock no. 184-5610
BrandRS PRO
R 920.39
Each
units
Barrel M18 NPN 8 mm 10 → 30 V dc M12 - 4 Pin IP67 30V Non Flush 91.5mm - - - -
RS stock no. 896-7248
BrandRS PRO
R 1,009.08
Each
units
Barrel M18 PNP-NO 8 mm 10 → 30 V dc M12 - 4 Pin IP67 30V Non Flush 70mm - - - -
New
RS stock no. 184-5592
BrandRS PRO
R 1,030.87
Each
units
Barrel M18 NO 5 mm 20 → 250 V ac M12 - 4 Pin IP67 - Flush 83.5mm - - - 250V
New
RS stock no. 184-5598
BrandRS PRO
R 1,033.07
Each
units
Barrel M18 NO 8 mm 20 → 250 V ac M12 - 4 Pin IP67 - Non Flush 91.5mm - - - 250V
New
RS stock no. 184-5608
BrandRS PRO
R 957.34
Each
units
Barrel M18 NO 8 mm 20 → 250 V ac M12 - 4 Pin IP67 - Non Flush 91.5mm - - - 250V
New
RS stock no. 184-5599
BrandRS PRO
R 1,001.85
Each
units
Barrel M18 NPN 8 mm 10 → 30 V dc Cable IP67 30V Non Flush 78mm - - - -
New
RS stock no. 184-5607
BrandRS PRO
R 920.26
Each
units
Barrel M18 PNP 5 mm 10 → 30 V dc M12 - 4 Pin IP67 30V Flush 83.5mm - - - -
New
RS stock no. 184-5611
BrandRS PRO
R 889.11
Each
units
Barrel M18 PNP 8 mm 10 → 30 V dc Cable IP67 30V Non Flush 78mm - - - -
RS stock no. 146-6757
BrandRS PRO
R 1,001.48
Each
units
Barrel M18 PNP-NO/NC 8 mm 10 → 30 V dc Cable IP67 30V Non Flush 70mm - - - -
RS stock no. 896-7245
BrandRS PRO
R 1,054.92
Each
units
Barrel M18 NO 8 mm 20 → 250 V ac Cable IP67 - Non Flush 83.5mm - - - 250V
New
RS stock no. 184-5612
BrandRS PRO
R 920.39
Each
units
Barrel M18 PNP 8 mm 10 → 30 V dc M12 - 4 Pin IP67 30V Non Flush 91.5mm - - - -
New
RS stock no. 184-5603
BrandRS PRO
R 957.34
Each
units
Barrel M18 NO 5 mm 20 → 250 V ac M12 - 4 Pin IP67 - Flush 83.5mm - - - 250V
New
RS stock no. 184-5601
BrandRS PRO
R 991.95
Each
units
Barrel M18 PNP 8 mm 10 → 30 V dc M12 - 4 Pin IP67 30V Non Flush 91.5mm - - - -