Capacitive Sensors
Group Overview:
Capacitive Sensors
Like inductive sensors, capacitive sensors function without physical contact with the target material. Capacitive sensors allow for the detection of both, conductive and non-conductive materials, but are most commonly used for sensing materials such as plastics, liquids, powders and granular materials.
In applications utilizing capacitive technology the sensitivity of capacitive proximity switches is dependent on the material characteristics of the target object. This material characteristic of the metal, plastic or liquid object will influence the sensing range and therefore the output detection point of the capacitive sensor. To allow for this variation in material characteristics Pepperl+Fuchs offers many models with adjustable sensitivity to allow for more flexibility in applying these sensors to your application.
These capacitive sensor products offer an alternative technology for use in applications where the use of inductive sensors may not be possible.
Palm buttons
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Ergonomic safety palm buttons
Palm buttons offer an ergonomic alternative to mechanical push buttons. Operators using ergonomic safety palm buttons can dramatically reduce the risk of repetitive motion injuries, since the palm buttons need only a light touch to activate. Some palm button models can even sense the operator's hands through heavy gloves!
These capacitive palm buttons are designed for use with standard two-hand machine control, are immune to most radio frequency interference, and offer continual self-checking electronics. Redundant output relays with one way guided contacts ensure reliable operation The palm buttons are UL listed with U.S. and Canadian standards.
Palm button assemblies include:
These capacitive palm buttons are designed for use with standard two-hand machine control, are immune to most radio frequency interference, and offer continual self-checking electronics. Redundant output relays with one way guided contacts ensure reliable operation The palm buttons are UL listed with U.S. and Canadian standards.
Palm button assemblies include:
- Cover plate & gasket
- Hub box & ring guard
- Hub box & u-channel guard
- FS box assembly (optional)