Because the drip test machine consumes a large amount of water during the test, many users want to use tap water to save costs, and they are very confused: why must the drip test machine use high-purity water?

Some people think that the pure water spray sample is to avoid corrosion inside the instrument, but it is not the main reason, the main reason is that ultra-pure water can ensure clean test conditions and test reproducibility. In addition, if the water is not specially treated to remove cations, anions, organic matter, especially silicon, stains will occur on the surface of the sample, which will not occur during natural exposure. Therefore, the solid matter and silicon content of the spray water should be less than 1 μg / g and 0.2 μg / g, respectively. Usually people use a combination of distillation or ionization and reverse osmosis to obtain pure water.

Notes on small knowledge:

Protection system of drip test machine:

This set of dripping test machine adopts imported frequency converter to control the speed, which effectively guarantees that the test runs according to the standard;

Separate control systems for swing tube and turntable;

Time setting controls several independent systems separately;

Imported executive components;

Equipped with water filter;

No fuse protection switch;

Overload, leakage, full sheath terminal blocks;

With automatic shutdown and other protection

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