If you receive the message “Ambient Light”, this means that too much external light is interfering with the measurement.
If strong ambient light (for example, direct sunlight or very bright indoor lighting) reaches the prism during measurement, it can affect the measurement.
To solve this, please move to a darker area or cover the sample area gently with your hand during measurement. Also, make sure that the sample well is filled correctly up to the marked rim.
If the error message continues to appear, please also review the device specifications and ensure that your measurements are being performed within the defined operating ranges.
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