Therefore, capacitive proximity sensors set for high sensitivity should be further apart than those calibrated for lower sensitivity. Increased Reliability and Function Traditionally, one of the biggest issues with capacitive proximity sensors has been maintaining sensing reliability with ambient humidity changes. However, some of the newest capacitive proximity sensors are humidity resistant. For instance, Rockwell Automation uses a special compensation probe inside the sensor of its unshielded models. This probe provides automatic gain control that tunes out humidity in the environment by adjusting the sensor's sensitivity.
Installation is also a consideration with today's capacitive sensors.
Many capacitive proximity sensors come with a preleaded cable, which may require an electrician to install. Other lines have both cable models and a quick-disconnect option that enables easier installation or replacement, if necessary. That Require Capacitive Proximity Sensors Capacitive proximity sensors become an excellent product for the following challenging production situations. Capacitive proximity sensing is well-suited for checking for the presence of these plastic parts, since a sensor can be calibrated for their specific dielectric constants. Photoelectric sensors can experience difficulty in such applications, while unshielded capacitive proximity sensors are less sensitive to dust and dirt particles.