Lion Precision - PRODUCT NEWS

New Capacitive Proximity Switch has High-Resolution Analog Output and User adjustments

The CPA100 Capacitive Sensor from Lion Precision has a setpoint (switched) output to indicate presence/absence like a typical proximity switch, but the nonlinear analog output is capable of resolutions as low as 15 nm RMS (150 nm p-p).

The new sensor features a unique front panel range indicator to alert the operator to out-of-range conditions, DIN rail mount electronics, and user adjustments for Offset (Zero) and Gain. A selection of probes provides standard measurement ranges from 0.05 to 6 mm. Offset and Gain can also be controlled with remote potentiometers if the device is enclosed in a control panel. Sync connectors allow interference-free use of multiple sensors with the same target.

Typical applications for the CPA100, besides basic position monitoring, include production line part sorting; double sheet detection in printers or related processes; and monitoring of processes involving nonconductive materials such as films, fabrics, and applied coatings such as adhesives.

More detailed information is available at

CPA100 Specifications:

Resolution: 0.03%F.S. RMS @ mid-range @15 kHz (typical)

Bandwidth: 15 kHz (-3dB)

Maximum Temp. Drift: Electronics: 0.2% F.S./°C; Probe: 0.05% F.S./°C

Analog Output: 0-10 VDC

Setpoint Output: Solid state switch closure; 30 VAC/60 VDC max

Operating Temperature: 40°F-120°F; 4°C-50°C

Input Power: 15-24 VDC, 2.5 W

Lion Precision provides high-resolution capacitive and eddy-current noncontact displacement sensors that are optimized for specific applications including custom designs. Precision position and high-speed motion are common applications for these high-performance sensors. Lion Precision products are used in large industrial measurements and subnanometer resolution measurements of the micro- and nano-technology worlds.

Lion Precision, an ISO9001:2008 registered company, was founded in 1958 by Dr. Kurt Lion, a professor at MIT (Massachusetts Institute of Technology). He was the first to develop capacitive sensing into a broad industrial measurement solution.

Lion Precision, an IBS Precision Engineering partner, sells the Triskelion in the United States. The company was established in 1958 and pioneered commercially available noncontact sensing systems. The company provides high-performance capacitive and eddy-current displacement sensors for industries such as machine tool, semiconductor, disk drive, automotive, packaging, and university and national laboratory research.

February 2011

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