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Lab Sieve

It is applied to the classification, screening, analysis and detection of various laboratory samples, and can also be used to analyze the fineness and sundry content of slurry materials

ISO3310-1: 1990 R20/3, R20, R40/3


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High temperature resistance Corrosion resistance Double-layer stamping frame

Produced in strict accordance with GB6003.1-1997 or GB6003.2-1997

Diameter: 75/100/200/300mm

Mesh size: 5μm-150mm

Screen type: woven mesh (0.02mm-2.36mm) / perforated plate (: 1mm-125mm) / electroforming (75μm-5μm)

Material: stainless steel/nylon/, brass

Application: used for precise screening, filtration and detection of the particle size structure, liquid solid content and sundries of granular and powdery materials in laboratories, quality inspection rooms and laboratories of colleges and universities

What is a Lab Sieve?

Lab sieve is a device used to separate and classify particles of different sizes by passing them through a mesh or perforated surface, usually used in laboratories for particle size analysis and quality control testing of materials, sieves are usually made of fixed mesh or sieve Composed of a frame and a disc that collects material passing through the sieve, the mesh or sieve is selected according to the size range of the particles to be measured, ranging from 125mm to 20μm.

Lab sieve diameters include 75mm, 100mm, 200mm, 300mm, 400mm, and are usually made of high-quality materials such as stainless steel or brass to ensure durability and long-lasting performance. They are available in a variety of sizes and meshes, depending on the specific application and size range of the particles being measured.

What is the function of lab sieve?

The role of lab sieve is mainly reflected in the following two aspects:

Particle classification: Lab sieve can separate and classify mixed particles or powder samples according to different particle sizes according to the pore size of the sieve, helping experimenters classify samples quickly and accurately. Particle screening: Lab sieve can help experimenters screen out particles of the required size, remove impurities or unwanted particles, and ensure that the particles used in experiments or production processes meet the requirements.

Several Common Lab Sieve Shakers

Lab sieve shakers are devices used to vibrate or agitate sieves during particle size analysis. This helps to ensure that the particles are evenly distributed across the sieve, allowing for accurate and precise results. Some common lab sieve shakers include:

Category DH-300T lab sieve shaker Ultrasonic lab sieve shaker Electromagnetic lab sieve shaker Rotap sieve shaker
Application Used in laboratories, universities and other scientific research institutions for particle size detection, particle size analysis, and debris content analysis Suitable for high static electricity, strong adsorption, high density, light specific gravity fine powder Dry or wet sieving or micro-precision sieving for quantitative particle size analysis of various solids and suspensions. For the production and classification of diamond powder and superhard materials industry
Features The mesh of the matching screen frame can generally reach 8 mesh to 400 mesh, which can divide a product into 7 different particle segments Sieves down to 20 microns without clogging the screen The vibrating screen machine with electromagnetic drive has reciprocating suspension movement inside the material, and no material will remain on the screen when sieving. Handling capacity up to 2kg, measuring range 5μm-63mm Faster unloading with horizontal circular motion and vertical top motion for accurate and consistent particle analysis testing

What is a lab sieve used for?

The lab sieve is a versatile tool that can be used for a variety of applications in a laboratory environment, some common applications include:

1. Particle size analysis: commonly used for particle size analysis of various materials, including powder, granules and other solid materials. The particle size distribution of a material can be determined by passing the material through a series of sieves with progressively smaller mesh sizes.

2. Quality Control Testing: Used for quality control testing to ensure that materials meet specific size and quality specifications. For example, in the food industry, sieves can be used to ensure that flour or other ingredients meet specific particle size requirements.

3. Material Sorting: Can be used to sort material into sections or grades of different sizes. This is useful in industries such as building materials, where materials such as sand or gravel may need to be separated into different size ranges for specific applications.

4. Separation of impurities: it can be used to separate impurities or foreign matter from materials. For example, in the pharmaceutical industry, sieves are used to remove oversized or undersized particles from pharmaceutical formulations.

5. Soil analysis: Commonly used in soil analysis to determine the particle size distribution of soil samples. This information can be used to determine soil properties such as permeability and water retention.

How does lab sieve work?

Working principle of lab sieve is to place mixed particles or powder samples on the sieve through the pore size of the sieve, and then mechanically vibrate or manually shake the sieve, so that the particles are separated through the sieve holes according to size, and the smaller particles pass through the sieve. The larger particles are blocked on the screen to achieve separation and screening of particles, thereby achieving the purpose of classifying particles of different sizes.

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What are the benefits of lab sieve?

Accurate Particle Size Analysis

It provides an accurate and precise method for determining the particle size distribution of materials. By passing material through a series of sieves with progressively smaller mesh sizes, particle size can be precisely measured and quantified.

Quality control test

An important tool for quality control testing, enabling manufacturers to ensure that materials meet specific dimensional and quality specifications.


A cost-effective solution for particle size analysis and quality control testing, providing accurate results without expensive equipment or complicated procedures.


Is a versatile tool for a wide variety of materials including powders, granules and other solid materials.


Lab sieve provides consistent and reliable results, ensuring a consistent particle size distribution of material from batch to batch.


Usually made of high-quality materials such as stainless steel or brass, ensuring durability and long-lasting performance.

What are the lab sieve sizes?

Lab Sieve Sizes

Lab sieves are available in a variety of sizes, usually specified by the diameter of the sieve frame and the size of the mesh or screen. Common laboratory sieve sizes include:

1. 3" (75 mm) diameter screens with mesh sizes ranging from 4 mesh (4.75 mm) to 500 mesh (0.025 mm)

2. 8" (200mm) diameter screens with mesh sizes ranging from 4 mesh (4.75mm) to 500 mesh (0.025mm)

3. 12" (300mm) diameter screens with mesh sizes ranging from 4 mesh (4.75mm) to 500 mesh (0.025mm)

4. 18" (500mm) diameter screens with mesh sizes ranging from 4 mesh (4.75mm) to 325 mesh (0.045mm)

5. 24" (600mm) diameter screens with mesh sizes ranging from 4 mesh (4.75mm) to 325 mesh (0.045mm)

The mesh or sieve size of the lab sieve depends on the specific application and the size range of the particles being measured. In general, use a larger mesh size for larger particles and a smaller mesh size for smaller particles.

The below table shows the detailed data of different models of lab sieves use stainless steel 304 test sieves for your reference.

Mesh shape Diameter Effective screen surface diameter H
Min Max
round 75mm 75mm 65mm 25mm
200mm 200mm 185mm 25mm, 50mm
300mm 300mm 275mm 75mm
square 300mm 300mm 75mm

The standard screen size as follow

No. Type Mesh(mm) No. Type Mesh(mm)
1 8# 2.36 15 70# 0.212
2 10# 2 16 80# 0.18
3 12# 1.7 17 100# 0.15
4 14# 1.4 18 120# 0.125
5 16# 1.18 19 140# 0.106
6 18# 1 20 170# 0.09
7 20# 0.85 21 200# 0.075
8 25# 0.71 22 230# 0.063
9 30# 0.6 23 270# 0.053
10 35# 0.5 24 325# 0.045
11 40# 0.425 25 400# 0.038
12 45# 0.355 26 500# 0.028
13 50# 0.3 27 >500# <0.028
14 60# 0.25

Solution Proof of Our Wide Range of Products

Product Mesh Size Product Mesh Size Product Mesh Size
Cassia 14 mesh Buckwheat 12 mesh Tenebrio eggs 12 mesh
Insect droppings 30 mesh Soybean 4-5 mesh Green beans 10 mesh
Rice 12-14 mesh Rice flour 30-40 mesh Cornmeal 30-40 mesh
Flour 50-60 mesh Cereals 40-50 mesh Sesame 22-24 mesh

The following are some cooperative transaction information of our lab sieves

2021/2/25 1 set of Φ200*50*500um lab sieve Shandong ** Pharmaceutical Co., Ltd.
2021/2/23 1 set of 200 diameter test sieve, aperture 4mm (square hole) Xiamen*** Mechanical and Electrical Equipment Co., Ltd.
2021/1/18 1 set of φ200x50 lab test sieve frame 500 mesh (mesh 0.03mm) Kunming ** Technology Co., Ltd.
2020/12/11 9 sets of Φ200 test sieves Hainan Institute of Tropical Oceanography
2020/11/10 1 set of Φ100 lab test sieve; 5 sets of Φ200 test sieve Xi'an**** Electromechanical Equipment Co., Ltd.
2020/12/26 2 sets of Ultrasonic system + 200 diameter lab sieve North China University of Water Conservancy and Hydropower
2020/9/15 6 sets of 75 diameter laboratory sieve Tsinghua University
2020/4/13 One test sieve with test report Linyi ** Mechanical and Electrical Equipment Co., Ltd.
2020/5/25 14 sets of nylon test sieves Xiamen*** Electronic Technology Co., Ltd.
2019/1/13 Φ200 test sieve frame Shenzhen ** Intelligent Equipment Co., Ltd.

Lab Sieve Manufacturers

Spot supply: Dahan is a direct-selling manufacturer, with sufficient product models in stock, and can also support special model designs.

Quality assurance: 30 days for quality problems, return guarantee, and the warranty period of the whole machine is 1 year. If there are quality problems during this period, our factory will provide free maintenance services.

Fast delivery: Standard parts are in stock, and special customization takes 7 working days. The delivery is fast and the cycle is guaranteed.

Service guarantee: 7*24 hours of all-weather service response, a clear reply within 1 hour, and 72 hours of on-site maintenance.


The lab sieve produced by Dahan Company is strictly controlled at every level from material selection, processing to assembly, and the company has passed ISO9001 quality certification. Strictly test the size, appearance, function, etc., and each finished product must pass the test and leave the factory, and is responsible to the customer.

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Address:China,Yanjin county forest park gate to the west 1000 meters north road.