Custom Calibrations for Unique Applications and Exceptional Performance

Changing Calibration Parameters down | Increasing Resolution down | Examples down

Changing Calibration Parameters

Many parameters comprise a calibration:

Changing one parameter will cause the others to change. If the standard specification of one of these parameters does not fit your application, it may be possible to change/improve that parameter if changes in the other parameters are acceptable.

Increasing Resolution

A common requirement of custom calibrations is increased resolution. By altering other parameters of the calibration, exceptionally high resolutions can be achieved. Some examples are listed in the table below.

The highest resolution is now available in the CPL490 Capacitive Sensor, part the Elite Series.

To better understand resolution specifications, please see our TechNote: Understanding Sensor Resolution Specifications and Effects on Performance

Some Examples

The table below lists some increased resolution calibrations. These are unique calibrations with CPL190/290 drivers; there is no guarantee that your sensor could see the exact same results, but if you have a extremely demanding application, we will work with you to see how we can create the best, optimized solution for you.

Sensing
Area

diameter
mm

Range
µm

Near Gap
µm

Resolution
nanometers (RMS)

Resolution
% of
Range

Bandwidth
Hz

Linearity
% of
Range

Notes

3.2 10 20 0.04 0.00040 1000 0.12 Used larger 3.2 mm sensing area with very small range and decreased bandwidth
2.0 2 10 0.097 0.00485 13,700 0.27 Decreased range
2.0 50 75 0.126 0.00025 122 0.026 Decreased bandwidth
2.0 10 10 0.144 0.00144 14,000 0.29 Decreased near gap
3.2 250 20 0.529 0.00021 1,100 0.06 Decreased near gap, custom range, decreased bandwidth
5.6 2000 25 15.5 0.00078 15,400 0.21 Decreased near gap

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