27 Nov 2007 PISeca™ capacitance displacement gauges perform high-precision, non-contact measurements of position, length or vibration against any kind of electrically conductive target. PISeca™ capacitance gauges perform high-precision, non-contact measurements of geometric quantities representing displacement, separation, position, length or other linear dimension against any kind of electrically conductive target. These single-probe nanometrology sensors combine superior resolution and linearity with very high bandwidth for dynamic measurements.
Downolad Capacitive Sensor Brochure
Features & Advantages
- Absolute, Non-Contact Measurement of Distance / Motion / Vibration
- Sub-Nanometer Resolution, Measuring Ranges to 500 µm
- Excellent Measuring Linearity to 0.1 %
- Plug & Play: Easy Setup and Integration
- Bandwidth to 10 kHz
- Proprietary Electrode Design & Electronics Provide Higher Linearity
- Very High Temperature Stability
Higher Linearity through Guard-Ring Capacitor and ILS Electronics
Not all capacitive sensors are created equal. Because the sensor design has a strong influence on the linearity, PI uses a special guard-ring electrode to shield the sensor electrode from boundary effects. This ensures a homogeneous electric field in the measurement zone and results in higher measuring linearity. In addition, the sensor signal conditioning electronics are equipped with the PI proprietary ILS linearization circuit.
Higher Precision through Factory Calibration
All sensors and electronics are calibrated at the factory for the highest possible linearity and accuracy.
Easy Sensor Installation
The capacitive gauges are plug and play units. The cable plugs directly into the sensor head for easy installation or replacement in the field. Installation is further facilitated by a display in the sensor electronics that indicates the optimum distance between probe and target.
Multichannel Measurements, Closed Loop Motion Control Electronics
PISeca™ capacitive sensor systems can be operated in multichannel configurations and combined with piezoelectric nanopositioning actuators for nanometer precise closed-loop motion control applications.
About PI
PI is a leading manufacturer of nanopositioning and precision motion-control equipment for photonics, nanotechnology, semiconductor and life science applications. PI has been developing and manufacturing standard & custom precision products with piezoelectric and electromagnetic drives for 35+ years. The company has been ISO
9001 certified since 1994 and provides innovative, high-quality solutions for OEM and research. PI is present worldwide with eight subsidiaries and total staff of 400+.
More Information on the Single Plate Capacitance Sensors
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