SOMMER SPA-2, Manual

Page: 13 / 111

3.2 Configure the sensor
1. Select language and decimal character (see General settings )
2. Select the measurement trigger and measurement interval (see General settings )
3. Define the scope and structure of the data output (see General settings )
4. Calibrate the SPA-2 by measuring the capacities of the ribbon sensors in air (see Calibration of
SPA-2-ribbon-sensors )
5. Optional: measure the capacities of the ribbon sensors with a reference plate (see Calibration
of SPA-2-ribbon-sensors ))
6. Send any modifications to the SPA-2 by clicking Upload modified parameters to device .
3.3 Acquire measurements
Select the tab Measurement (F3) and click Start polling measurements. Select Polling with meas-
urements and confirm the Warning. Now, the device performs consecutive measurements at the
fastest possible rate. Click Stop polling to cancel data acquisition.
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Manual 13