Time Rangei
The preview summarises wide ranges for speed: over 1 day it shows hourly
(or daily beyond 60 days) averages with Min, Max & N. A range of 1 day or less shows
every raw point. The CSV download always contains every measurement at full
resolution, whatever the range.
Quality grading
Pick a logger and a measurement to grade its data.
Existing periods
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Calibration
physical = raw × slope + intercept · for the From / To range
Existing periods
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Data Preview
Pick a logger, measurement and time range, then press Preview — the table and chart appear here.