Lion Precision adds ranges to CPL490 Displacement Sensor | Automation.com

Lion Precision adds ranges to CPL490 Displacement Sensor

September 172014
Lion Precision adds ranges to CPL490 Displacement Sensor

September 17, 2014 - Measurement ranges have been added to Lion Precision’s CPL490 Capacitive Displacement Sensor. The precision device now measures position/displacement with 50 picometer precision or less. Relative to the noncontact sensor’s measurement range, that translates to a resolution value of less then seven parts-per-million even at 15 kHz bandwidth.

Previous models were capable of similar precision but only when high frequency components were filtered out of the measurement signal. The CPL490 can resolve target position changes of less then 100 picometers while objects are moving at 15 kHz. When bandwidth is increased to 50 kHz, a remarkably high frequency for capacitive sensors, the precision is still less than 0.3 nanometers.

A wider selection of probes and ranges puts more flexibility and capability in the hands of engineers, designers, and researchers needing incredibly precise measurements of changes in position of a moving object.

The CPL490 has a typical resolution of 7 parts-per-million and a thermal stability of 0.02% of Full Scale /°C. The Elite Series is a modular system also offering signal processing and other capacitive sensor modules.

Probes for the CPL490 include internal electronics and are now available with a wider selection of measurement ranges. The probes feature an 8 mm diameter clamping area for probe mounting and are available in four different versions. The options enable users to select the best combination of range, bandwidth and resolution for their application.
 

Probe Model

Measurement Range

microns

1kHz  Resolution

nanometers rms

15kHz Resolution

nanometers rms

50kHz Resolution

nanometers rms

2G-C8-0.5

10

0.05

0.09

0.26

2G-C8-0.5

50

0.17

0.35

1.0

2G-C8-0.5

100

0.38

1.0

3.3

2G-C8-1.2

100

0.33

0.52

1.7

 

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