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New Moisture Analyzer from Sartorius Announced

moisture analyzer from SartoriusFrom ketchup to moisturizing cream to paint, the moisture content of materials is a decisive factor in determining product quality - especially in substances with an extremely high moisture content. 

The new LMA200PM moisture analyzer from Sartorius sets the standards for this very requirement. Within just 40 to 120 seconds the LMA200PM delivers precise results on the moisture content of the substance tested.

The LMA200PM uses the loss-on-drying technique and heats the sample with microwave radiation, which has been proved to be the fastest and most effective drying method, particularly for materials that contain a high proportion of water. At the same time, the LMA200PM's integrated analytical weighing system with a resolution of 0.1 mg ensures unbeatable precision for determining wet and dry weights of the sample, which form the basis for calculation of loss on drying. 

Focus on fast measurement

To achieve fast measurement times, the sample must absorb a great deal of microwave radiation in a very short time and convert it to thermal energy. This is why the LMA200PM bombards the sample with microwave radiation from two fields located on the floor of the cylindrical sample chamber, directly below the sample. The microwave radiation, in the 2.45 GHz range, is thus focused directly on the sample while the rotation of the sample retainer ensures homogenous distribution of microwave energy in the sample material, eliminating the hot spots and cold spots that can occur with conventional microwave heating units.

Furthermore, the water vapor emitted during drying in the LMA200PM is rapidly conducted away from the sample. This is accomplished by applying the sample material to a glass fiber pad, which allows the water vapor to escape from both the top and the bottom. An exhaust system draws the water vapor out of the sample chamber, thus preventing condensation.

Designed for practical use

The color touchscreen on the LMA200PM provides excellent readability and easy operation. Just one key is all that's required in routine operation; all other steps are automatic, and plain-language guidance texts support the operator. The results of measurement are locked into the display until the user press a key to start the next analysis.

Balanced portfolio

With the combination of high-resolution weighing technology and faster sample drying, Sartorius has closed a gap in their product portfolio and expanded this range of instruments by the addition of a very fast measuring instrument for at-line production monitoring. Together with their recently introduced microwave resonance technology - an indirect detection method that works in just seconds and is ideal for use on or at the production line - and their well-known moisture analyzer series with infrared dryers as well as a coulometer for selective detection of water in the low ppm range, Sartorius now covers the entire range of typical moisture analysis applications, from incoming inspection to production monitoring to laboratory QA and research and development. At last: single-source moisture analysis technology.

For further information click here


A profile of Sartorius Stedim Biotech

Sartorius Stedim Biotech is a leading provider of cutting-edge equipment and services for the development, quality assurance and production processes of the biopharmaceutical industry. Its integrated solutions covering fermentation, filtration, purification, fluid management and lab technologies are supporting the biopharmaceutical industry around the world to develop and produce drugs safely, timely and economically. Sartorius Stedim Biotech focuses on single-use technologies and value-added services to meet the rapidly changing technology requirements of the industry it serves. Strongly rooted in the scientific community and closely allied with customers and technology partners, the company is dedicated to its philosophy of "turning science into solutions".

Headquartered in Aubagne, France, Sartorius Stedim Biotech is listed on the Eurolist of Euronext Paris. With its own manufacturing and R&D sites in Europe, North America and Asia and a global network of sales companies, Sartorius Stedim Biotech enjoys a worldwide presence. Its key manufacturing and R&D site is in Germany. The company employs approximately 2,400 people, and earned in 2009 sales revenue of 401,2 million euros according to preliminary figures.

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