Test sieve vs. analytical sieve

Tuesday June-10 2025  17:38:55

Test sieve and analytical sieve are two kinds of mechanical equipment that often appear in the field of granular material screening. The two have similarities, but the focus and application scenarios are different.

Test sieve is a standard screening tool for particle size distribution testing of granular materials. It is mainly used for screening tests of granular materials in laboratories or on-site to obtain the particle size composition of the materials.

 Analysis sieve usually refers to a sieve used for fine particle size analysis, emphasizing its screening accuracy and screening efficiency. The main purpose of the analytical sieve is to obtain the detailed particle size distribution of granular materials. It is often used as a test sieve or a higher standard sieve.

Both test sieves and analytical sieves are tools for particle size analysis and classification of granular or powdered materials. It is usually composed of multiple sieve frames with different apertures stacked together. Each sieve frame has a specific mesh size. The most common specifications are 200mm and 300mm in diameter. 200mm is commonly used. Place the material on the top screen frame, and vibrate the material on the screen surface through the vibration device. The material with smaller particles falls through the screen holes to the next screen frame, while the material with larger particles remains in the current screen frame, thereby realizing the particle size classification and analysis of the material.

Screen diameter: Common ones are φ200mm, φ300mm, etc., and some special needs will use φ75mm.

Number of layers: Generally composed of 5 layers or more, the more layers, the finer the classification.

Vibration frequency: Usually around 1000 to 1500 revolutions per minute. For example, the vibration frequency of the standard test sieve is generally 1400 revolutions per minute, which helps to evenly distribute and screen the material.

Vibration amplitude: Generally set at 1-4 mm to ensure that the screening force is controlled within the effective range, so that the material can fully contact the screen and improve the screening efficiency.

Test sieves are mainly used in laboratories or production sites for material classification, screening or quality control. The application range is wide, including particle classification in the building materials, chemical, mining, food, pharmaceutical and other industries. It is often used for rough screening or industrial use, and the accuracy requirements are relatively low.

Analytical sieves are designed for precise particle size analysis in laboratories and are widely used in scientific research, quality inspection and other fields. They are often used to determine the particle size distribution of fine particles (such as powders and microparticles), and high accuracy is required. Typical applications include soil analysis, powder research, chemical particle size detection, etc.

Main differences

In most cases, test sieves and analytical sieves refer to the same thing-high-precision sieves for precise particle size analysis in laboratories. The main difference between them lies in the emphasis of the words used, not the essential differences in the products themselves. When you buy or use it, it is more important to pay attention to whether the sieve meets the relevant standards and whether its technical parameters such as sieve hole size and material meet your specific application needs.