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Capacitive sensors are used for non-contact detection of metallic objects & nonmetallic objects (liquid, plastic, wooden materials and so on). Capacitive proximity sensors use the variation of capacitance between the sensor and the object being detected. When the object is at a preset distance from the sensitive side of the sensor, an electronic circuit inside the sensor begins to oscillate. The rise or fall of such oscillation is identified by a threshold circuit that drives an amplifier for the operation of an external load. A screw placed on the backside of the sensor allows regulation of the operating distance. This sensitivity regulation is useful in applications, such as detection of full containers and non-detection of empty containers. |
| Type |
Operating
Distance |
Voltage |
Housing |
PDF
Data Sheet |
| Capacitive Sensors with Improved EMC and ESD Shielding |
30
mm diameter
NO/NC Programmable |
0-20,
0-25 mm |
AC/DC, AC |
Nickel-plated
Brass & Plastic |
|
| 18mm
diameter |
0-5,
0-10 mm |
DC |
Nickel-plated
Brass & Plastic |
|
18mm
diameter
|
0-5,
0-10 mm |
AC |
Nickel-plated
Brass & Plastic |
|
30
mm diameter |
0-20,
0-25 mm |
DC |
Nickel-plated
Brass & Plastic |
|
| Protective
Housing |
|
|
Plastic |
|
High
Temperature
-200 to +250°C |
5,
15 mm |
AC |
PTFE
/ Stainless Steel |
|
| All Capacitive Sensors w/ Improved EMC and ESD Shielding |
0-5, 0-25 |
DC, AC/DC, AC |
Nickel-plated
Brass, Plastic & PTFE
/ Stainless Steel |
|
Value Line Capacitive Sensors - Exceptionally Priced |
 |
0-5, 0-15 |
DC |
Nickel-plated
Brass & Plastic |
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