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CN-0359 Accuracy Question

I have not worked with this system in around 2 years now and I am a little fuzzy on some of the specs. Reading the datasheet it states that an accuracy of better than 0.3% over a conductivity range of 0.1 µS to 10 S (10 MΩ to 0.1 Ω) with no calibration requirements. Does this 0.3% refer to a percent of reading or full scale accuracy over that range?

Additionally I imagine that the same would go for the section on page 4 "Accuracy measurements were taken using precision resistors from 1 Ω to 1 MΩ (1 S to 1 µS) to simulate the conductivity cell. Figure 4 shows the results, and the maximum error is less than 0.1%. ", please let me know if that is not the case.

Thank you!