DONG IL TECHNOLOGY

CS Series

Features

Capacitive Displacement Sensor
- The most effective way to measure displacement without contact
- Nano-meter level measurement accuracy
- Various application available through sensors of distance ranges

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Description

* Measuring Principle

- Using the ideal principle of plate capacitor

- A constant alternating current flows between sensing area and target, and the capacitance is measured inversely proportional to the distance.

- To secure linearity, a guard electrode is used outside the center electrode.

- The measuring magnetic field was made homogeneous by equalizing the potentials of the guard and the center electrode.

Item	Shape	Mechanical	Sensing Area	Resolution	Measurement Ranges	Operating Temp
CS-3			1.6mm	±0.01%	5~15um	-20 ~ 100°C
CS-5			2.8mm	±0.01%	15~50um	-20 ~ 100°C
CS-8			5mm	±0.01%	50~150um	-20 ~ 100°C
CS-14			8mm	±0.01%	130~400um	-20 ~ 100°C

Specifications

Parameter	Capacitive Sensors
Model	CS-3	CS-5	CS-8	CS-14
Active diameter	1.6 mm	2.8 mm	5 mm	8 mm
Sensor diameter	3.0 mm	5.0 mm	8.0 mm	14.0 mm
Resolution	± 0.01%	± 0.01%	± 0.01%	± 0.01%
Nominal measuring Range	5~15um	15~50um	50~150um	130~400um
Linearity	± 0.5%	± 0.5%	± 0.5%	± 0.5%
Sensor Active area	2.0 mm²	6.2 mm²	19.6 mm²	50.2 mm²
Operating Temperature	-20 ~ 100 °C	-20 ~ 100 °C	-20 ~ 100 °C	-20 ~ 100 °C
Material	Stainless steel	Stainless steel	Stainless steel	Stainless steel

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