February 2015Analytical Instrumentation & Environmental Monitoring
Labotec supply a range of microwave moisture measuring meters for a variety of applications, one being portable on-site analysis. These meters use microwave technology and can produce results and readings in a matter of seconds. This method takes a fraction of the time necessary for the widely used traditional oven method. The manufacturing company hails from Hamburg, Germany, and is known as Tews Elektronik and the product can be used in diverse industries from agriculture, tobacco, food and pharmaceutical manufacturing to paper production.
Tews Elektonik’s portable moisture meters are light and handy, which allows operators to monitor the moisture in a wide variety of products. They are intended in applications for manufacturers, goods receiving stations and quality control departments. The MW 1100 is outfitted with planar sensors and is therefore especially compact and light.
Measurements are obtained by placing the unit on top of the sample. In the MW1100S the sensor is located at the end of its 70 cm long Lancet probe. This allows the sensor to be inserted into bales or product batches in order to obtain information concerning the moisture content of the sample at different points in order to get a uniform result throughout the sample. The moisture content is obtained within seconds and then displayed. An MW 1100S measurement is made when the lancet probe with the sensor at its tip is pushed into a bale, filled box or similar package.
The compact instrument is battery-operated and features a backlit LCD graphics display and integral planar sensor. MW 1100-series instrument comes in a compact portable case containing the measuring system, a universal loading net part and USB interface cable. This meter has a measuring range specific to the material under analysis, and ranges from 1–50% moisture can be selected in some sections. The supported product temperatures range from 5°C to 60°C is read using the integral infrared temperature sensor, and compensated by optional thermally stabilised calibration. Measuring time is in seconds, making these instruments ideal for production processes where product moisture is critical for production to take place efficiently.
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