Compact Capacitive Displacement Sensor supports up to 6 channels.

Press Release Summary:

Supplied in 4 x 2 x 8 in. package, CPL230 supports up to 6 channels of capacitive sensing for embedded OEM applications. Resolutions reach up to 0.0007% at 100 Hz or 0.004% at 15 kHz. Unit typically ships with 15 kHz bandwidth, and internal dip-switch can set bandwidth to 15 kHz, 10 kHz, 1 kHz, or 100 Hz. Along with 0.0004–0.5 in. measurement range, features include 0.5% FS typ linearity and 0.04% FS/°C thermal stability. Electronics can be installed in remote/limited-accessibility areas.

Original Press Release:

Multi-Channel Capacitive Displacement Sensor Puts High Precision in a Small Space

St. Paul, Minn. USA — The CPL230 is new precision capacitive displacement sensor system from Lion Precision featuring up to six sensors in a small space. Its performance approaches that of top-of-the-line systems but costs 25% less and is ideal for embedded OEM applications.

Engineers and designers who develop equipment requiring precise noncontact position sensing have struggled with getting the performance they need into the small space and budget they have available. Multi-channel precision capacitive displacement sensor systems are often large modular designs offering user adjustments and indicators. These systems have many uses, but for OEM applications, the electronics may be buried in a cabinet where users cannot see the displays or make adjustments. And OEM applications require cost control.

Lion Precision’s new CPL230 changes all of that. The new sensor system can support up to six channels of capacitive sensing with performance approaching that of their top-of-the-line Elite Series modular systems. Resolutions as high as 0.0007% at 100 Hz or 0.004% at 15 kHz. It does all this in 4x2x8 inch package (100x50x200 mm). A differential output is provided for maximum performance when output connections must traverse longer distances through machines.

The CPL230 has color-coded channels and probes for easy installation into machines. With no user adjustments or displays, the electronics can be installed in out-of-the-way places. Systems typically ship with 15 kHz bandwidth. Users can access an internal dip-switch to set the bandwidth to 15 kHz, 10 kHz, 1 kHz, 100 Hz. The bandwidth selection allows users to opt for higher resolutions or higher speeds.

The system is easier on designer’s budgets at approximately 25% lower cost than the Elite Series systems.

The CPL230 replaces Lion Precision’s Compact Driver. The Compact Driver was also designed for embedded use and lower cost but could not provide the higher measurement performance required by some designs.

More information is available on the CPL230 Capacitive Displacement Sensor web page at

CPL230 Specifications:

Measurement Ranges: 10µm to 12.5 mm (0.0004 to 0.5 inches)

Maximum Bandwidth: 15 kHz

Typical Linearity: 0.5% F.S.

Thermal Stability: 0.04% F.S./°C

Differential Output: ±10 V

Single Ended Output: ±5 V

Operating Temperature: 4-50°C

Power Requirements: ±15 VDC (External power supply included with device)

Lion Precision introduced capacitive displacement sensors to industry in 1958. The company has expanded its product offering to include eddy-current displacement sensors and some application specific sensors for the machine tool, packaging and PCB industries. The company is built on assisting users with sensor selection and implementation by providing technical knowledge resources, expert guidance and optimized systems including custom designs. Lion Precision provides high-performance noncontact sensors and experts to help use them.

For more information, contact Lion Precision:

Lion Precision

563 Shoreview Park Road

St. Paul, MN 55126 USA


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