Why is the repeatability of measurements taken by a moisture meter poor?

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Poor repeatability in measurements taken by a moisture meter may be due to the following reasons: 1. Uneven sample. For example, they have different components. The less homogeneous the sample, the more samples are required to obtain results with better repeatability. 2. The selected drying time is too short. Extend the drying time or select the appropriate shutdown mode “weight loss per unit of time”. 3. The sample is not completely dry (for example, due to surface crusting). Try mixing quartz sand for drying. 4. The selected temperature is too high or the sample oxidizes. Reduce the drying temperature. 5. The sample boils and splashes continuously, thereby changing the temperature. Please clean the protective glass. 6. When the protective glass becomes dirty, the heating effect cannot be fully utilized; please clean the protective glass. 7. The temperature sensor is contaminated or damaged. Please clean the temperature sensor. 8. The control panel is not stable. Please use a stable console. 9. Unstable external environment (vibrations, etc.).