Electronic hydrometer is also known as electronic density meter. There are similar types of density meter, density meter, density balance, specific gravity balance, and electronic specific gravity balance. It is mainly used in the density detection of material objects. After improvements in recent years, it has greatly improved the accuracy and expanded the measurement range.
working principle
(1) Analysis principle
Apply the classic Archimedes principle:
Formula: F float = G row = Ï liquid (gas) · g · V row.
Unit: F float-Newton, Ï liquid (gas)-kg / m³ ;, g-N / kg, V row--m³ ;.
Relevant factors of buoyancy: buoyancy is only related to Ï liquid, V row, Ï object (G object), depth, not directly related to V object.
When the object is completely immersed in liquid or gas, V row = V object; but when only part of the object is immersed in liquid, then V row As long as the density value of the required solution medium is input into the instrument microcomputer, the density value of the object can be expressed. Electronic density meter is the latest generation of density tester combined with Archimedes principle and modern microelectronic technology. It has the characteristics of simple and convenient operation, fast measurement, accurate results, durable, economical and so on. Products comply with ASTM D792, GB / T 1033, HG4-1468, JIS-K-6268, ISO 2781, UL, IEC, CCC, VDE and other national standards. 2. Performance characteristics: It has simple and convenient operation, fast measurement, accurate results, durable and economical. Various material forms (solid, granular, floating, powder) can be accurately measured. Read the density value, volume and percentage of any solid substance directly. The instrument can be fully automatic zero tracking function. With the actual water temperature compensation function, the instrument has the advantages of high sensitivity, good stability, accurate results, simple operation and durability. Electronic density meter can be widely used in sheet, film, float, Measurement of specific gravity and density of powder related solid products.
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