Why is a Moisture Analyser Important in a Lab?

November 7, 2022by Kalstein
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A moisture analyser is a measuring device that sets the moisture compensation of a sample. It works with the dry matter method and consists of a weighing unit and a heating unit (infrared).

Also, it is known as humidity balance or moisture meter. Humidity is all that dissipates with warming. In addition to water, the amount of moisture tested includes fats, alcohol, and solvents.

This device is one of the most used instruments in the laboratory, along with the granary balance, the precision balance, the microscales, the analytical balance and the precision scale.

This device determines the proportion of moisture in the samples, according to this result will vary the quality and capacity of the same to be stored for more or less time.

Operating the Moisture Analyser in the Laboratory

The equipment is developed by thermogravimetric mechanisms, also known as the dry matter principle. Basically, a first weighing is carried out, then the sample is dried and the weight is compared with that before drying. It is understood that the difference between one and the other result is the proportion of humidity. In reference to this, the moisture analyser in the laboratories, is composed of a scale and a heating unit.

Initially, the moisture ratio is measured, and the initial weight of the sample is recorded; then, using a halogen radiator, it heats and dries the sample, while the integrated balance continuously records the weight of the sample. When the sample stops losing weight, the instrument is turned off and the moisture ratio is calculated. Total weight loss is used to calculate the moisture ratio.

In addition, the proportion and convenient use based on the functionality of the equipment, provide a beneficial technique, to certify a precise elaboration and administration of samples.

Importance of Moisture Analysers in Laboratories

The importance of the moisture analyser in the laboratory, is developed from the calibration of the instruments, and measure the values to be delivered in percentages, so some samples of material with different percentage of moisture are needed, and that cover the typical field of measurement of the application you want.

In this sense, the samples are analyzed using the microwave resonance method and with an appropriate laboratory reference method. Moisture in a sample is usually determined by weight loss after drying, and sometimes the percentage of water in a chemically processed sample is determined.

The measuring instrument is calculated by means of a calibration curve from the captured values, the measurement of microwave resonance and laboratory analysis, converting the values into percentages of humidity.

According to this, the measurement methods applied in laboratories have advantages, which are:

    • It’s extremely accurate.
    • Offers independent density and volume measurement
    • The measurement is independent of optical factors, such as the color, structure and surface shape of the product.
    • Determination of moisture in the surface and core of the product.
    • Non-destructive measurement.
    • It does not require consumables, such as reagents etc.
  • The instruments are simple to operate.

In this regard, this method is the most accurate, requires a long time cycle and will depend on what type of sample is to be made, taking into account the size of mincing, time, level of working pressure, storage duration and others that influence the quality of the work.

Kalstein brand Moisture Analyzers

At Kalstein, we are equipped with the most extensive technology in trained laboratory equipment, to meet all the demands of our customers. In this case, we offer you YR Model Humidity Analysers, with general and very attractive features, such as; Infrared lamp/HBM sensor. Aluminum housing/stainless steel chamber. HD LCD. The percentage of moisture content/dry residue. Option: aluminum box/printer/grinder. Infrared lamp power supply. Temperature Adjustment 40 ℃ -199 ℃ per step of 1°C.

We are manufacturers and we have the best advice, so that your purchase is the ideal and at excellent prices. Enjoy our catalog from HERE

Kalstein

PARIS – FRANCE

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