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Causes of poor repeatability of grain moisture meter
- 2020-04-02-

The moisture content of the grain after harvesting is very important regardless of its commercial use or planting. The ideal grain moisture content is to dry the grain to the vicinity of the critical point of microbial growth of grain storage. Under this moisture condition, the storage of grain can be ensured, and the freshness and edible quality of grain can be maintained to a maximum limit. Maintain the germination rate and seed quality of grain to a great extent.


Then the problem of poor repeatability will occur in the process of measuring the food moisture meter, so what is the cause of this problem, and how to deal with it? Let's take a look below.

1. The samples are not uniform, for example, they have different compositions. The more uneven the sample, the more samples are needed to obtain better reproducible results.

2. The selected drying time is too short, extend the drying time or select a suitable closed form "weight loss per unit time".

3. The sample is not completely dried, for example: due to surface skin, try mixing quartz sand to dry.

4. The selected temperature is too high or the sample is oxidized, and the drying temperature is lowered.

5. When the maintenance glass is corroded, the heating capacity cannot be fully exerted. Please clean the maintenance glass.

6. The temperature sensor is contaminated or damaged. Please clean the temperature sensor.

7. The console of the moisture analyzer is not stable, please use a stable console.

8. The external environment is unstable (vibration, etc.).


Food moisture meters are widely used in all industries that need to quickly measure moisture, such as medicine, grain, feed, seeds, rapeseed, dehydrated vegetables, tobacco, chemicals, tea, food, meat and textile, agriculture and forestry, paper, rubber, plastic, In laboratories and production processes in textile and other industries.



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