Analysis of Advantages and Disadvantages of Halogen Moisture Analyzer and Oven Drying Method
The Halogen Moisture Analyzer is a new type of fast moisture detection instrument. Its ring-shaped halogen heater ensures uniform heating of the sample during high temperature testing, making the surface of the sample less susceptible to damage and rapid drying. During the drying process, the halogen moisture analyzer continuously measures and instantly displays the moisture content lost by the sample. Drying procedure Upon completion, the final measured moisture content value is displayed as a lock.
The traditional moisture measurement is generally carried out by oven drying. The test of one sample takes two or three or four or five hours, and it needs to be weighed and manually calculated by the balance to obtain the moisture value (water content) of the sample. The low efficiency of the moisture measurement in the oven method cannot meet the production needs of high-paced enterprises. Halogen Moisture Analyzers are significantly faster and more accurate than most current oven heating methods. Halogen heating can dry the sample evenly and quickly at high temperature, the surface of the sample is not easily damaged, and the detection result is very consistent with the common oven method, and the detection efficiency is much higher than the oven method.
The halogen moisture analyzer is simple in operation and accurate in testing. The display part adopts a red digital tube, and the indication value is clearly visible. The water value, the initial value of the sample, the final value, the measurement time, the initial temperature value and the final value can be displayed respectively. And has the function of connecting with computer and printer. It is widely used in the determination of products in various industries, such as: grain, chemical, pharmaceutical, plastic raw materials, rubber, tobacco, tea, textile, meat, food, starch, feed, coal, molding sand, sewage sludge, dairy and so on.
The biggest difference between a halogen bulb and an incandescent lamp is that the glass envelope of the halogen lamp is filled with some halogen gas (usually iodine or bromine). The working principle is: when the filament is heated, the tungsten atom is evaporated and then turned into glass. The tube wall moves, and when approaching the glass tube wall, the tungsten vapor is cooled to about 800 ° C and combined with halogen atoms to form a tungsten halide (tungsten iodide or tungsten bromide). The tungsten halide continues to move toward the center of the glass tube and returns to the oxidized filament. Since the tungsten halide is a very unstable compound, it will be decomposed into halogen vapor and tungsten after heat, so that the tungsten is in the filament. It is deposited on top to make up for the part that is evaporated. Through this regeneration cycle, the service life of the filament is not only greatly extended (almost four times that of incandescent lamps), but also because the filament can work at higher temperatures, resulting in higher brightness, higher color temperature and Higher luminous efficiency.
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