How to get accurate moisture test results

Article Summary:

In everyday life, water is everywhere, and many industries need to control moisture content. Factors such as test methods, moisture meter location, sample preparation, etc. all affect the moisture test results. This article takes the MB120 halogen moisture meter as an example to discuss how to obtain accurate moisture test results.

How to get accurate moisture test results?

Water is ubiquitous in everyday environments, and many industries need to control moisture levels. Common moisture content testing principles include thermogravimetric methods, chemical methods (Karl-Fischer titration, etc.), resistance methods, and the like. The rapid moisture analyzer uses the thermogravimetric method for moisture determination, and the test speed is fast and the efficiency is high, which is more and more popular among users. What are the troubles of using a rapid moisture analyzer?

The test method is unreasonable and the accuracy is difficult to guarantee.

The moisture meter is not heated uniformly and the sample is scorched or boiled.

Test repeatability is not good.

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Next, take Ohaus's latest MB120 moisture analyzer as an example to discuss how to obtain accurate moisture test results.

Develop a reasonable test method

The test method not only affects the accuracy of the moisture test results, but also has a significant impact on the test efficiency. The development of test methods requires consideration of drying temperature, drying time and heating method, as well as a variety of factors such as sample size and sample preparation. The Ohaus MB120 temperature assist tool helps the user to select a reasonable test temperature. By analyzing the temperature characteristic curve of the sample to be tested and judging the test temperature, a reasonable sample test method is developed.

In addition, the temperature calibration component of the MB120 Moisture Analyzer helps you calibrate the heating temperature of the Moisture Analyzer. The newly designed heating chamber and precisely controlled halogen heating system distribute heat evenly over the surface of the test sample for faster and more uniform heating.

Fine, uniform sample preparation for improved repeatability of test results

On the one hand, sampling and sample preparation have a large impact on the repeatability of the test results, ensuring that the samples taken represent all test samples. On the other hand, the characteristics of the sample, such as size, uniformity, etc., are particularly important for the test speed and test results.

The impact of the use environment on the repeatability of test results should not be underestimated.

Avoid near strong air flow, rapid temperature changes, and away from heat sources such as doors and windows, air conditioners, radiators, etc. At the same time, equipment close to vibrating equipment or generating magnetic fields can affect the stability of the moisture analyzer and the repeatability of the results.

Prerequisite for accurate moisture test results - level adjustment

Accurate level adjustment and stable installation are prerequisites for good repeatability and accurate test results. Adjust the level of the instrument to compensate for irregularities and small tilts in the placement position, and the moisture analyzer needs to adjust the level each time the position changes.

The Ohaus MB120 Moisture Analyzer has been well received by users since its launch. Call the hotline 4008-217-188 or visit
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