jueves, febrero 11, 2010

Capacitive Sensor Operation Part 2: System Optimization!!!

Capacitive Sensor Operation Part 2: System Optimization

June 1, 2009
By: Mark Kretschmar

Part 2 of this two-part article focuses on how to optimize the performance of your capacitive sensor, and to understand how target material, shape, and size will affect the sensor's response.

Last month we discussed the basics of capacitive sensing, both how the sensor works and explanations of the important terminology. Now it's time to apply this knowledge and explain how to optimize the performance of capacitive sensors.

Effects of Target Size: The target size is a primary consideration when selecting a probe for a specific application. When the sensing electric field is focused by guarding, it creates a slightly conical field that is a projection of the sensing area. The minimum target diameter is usually 130% of the diameter of the sensing area. The further the probe is from the target, the larger the minimum target size.

Range of Measurement: The range in which a probe is useful is a function of the size of the sensing area. READ MORE..............

     Segunda parte de Tutotial de Sensores Capacitivos, Versión en ingles...   Si tienes dudas o comentarios envialos a  nuestro email... Saludos!!! =)

From Carlos's Desk...

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