Analytical Test Sieve

Product Price: $800.00-$4,500.00/Set Get Latest Price

Request
Callback

Diameter: 75 mm, 100 mm, 200 mm (8″), 300 mm (12″)

Mesh Range: 20 μm – 125 mm

Materials: SS 304, SS 316L, brass, nylon

Standards: ASTM E11-24, ISO 3310-1

Grades: Compliance (66% confidence), Inspection (99%), Calibration (99.73%)

Applications: Pharma, food, chemicals, mining, environmental testing

Yes! I am Interested

Last Updated: August 2026

1. What This Guide Covers?

This guide helps you select the right analytical test sieve for your application. It focuses on the decision-making process—matching sieve specifications to your sample characteristics and quality standards.

2. What Is an Analytical Test Sieve?

An analytical test sieve is a laboratory instrument with a woven-wire mesh that sorts particles by size. The standard method stacks sieves with progressively finer mesh; material retained on each is weighed to determine the particle size distribution.

According to USP Chapter <786> (official May 1, 2023), this method is intended where at least 80% of particles are larger than 75 μm. For finer materials, air-jet or sonic sieving may be more appropriate.

3. Standards at a Glance

Two primary standards govern analytical test sieve manufacturing. The key difference is geographical: ASTM (8-inch/12-inch frames) is predominant in the Americas; ISO (200 mm/300 mm) in Europe and Asia.

ASTM E11-24 provides three grades with different statistical confidence levels:

Grade	Confidence	Best For
Compliance	66%	Routine QC, production testing
Inspection	99%	Supplier verification, higher precision
Calibration	99.73%	Pharmaceutical QA, regulatory compliance

4. Selection Decision Matrix

Use this table to match your sample to the right sieve configuration:

Sample Characteristic	Mesh Material	Frame Material	Recommended Diameter	Why This Recommendation
General powders	SS 304	SS 304	200 mm (8 in)	Best cost-performance for routine work.
Corrosive/Acidic	SS 316L	SS 316L	200 mm (8 in)	316L has molybdenum for superior corrosion resistance.
Electrostatic-prone	Nylon	Nylon	200 mm (8 in)	Non-conductive; reduces particle adhesion. Control humidity >65% RH.
Flammable dust	SS or Brass	Brass	200 mm (8 in)	Brass is non-sparking; limited to 2.36 mm to 45 μm.
Very small sample (<25g)	SS	SS	100 mm or 75 mm (3 in)	Smaller surface area reduces sample loss.
Large sample (>100g)	SS	SS	300 mm (12 in)	Larger surface area prevents overloading and blinding.
Fibrous/Elongated	SS	SS	200 mm (8 in)	Extend sieving time; mechanical agitation preferred.
Food/Pharma	SS 316L	SS 316L	200 mm (8 in)	Meets hygiene and corrosion resistance requirements.

5. Three Common Selection Errors to Avoid

Error 1: Wrong diameter for sample volume. A 200 mm sieve fits 25–100 g. Using <25g or >100g leads to poor separation.

Fix: Match sample weight to sieve diameter.

Error 2: Ignoring material compatibility. Using SS 304 for acidic materials causes corrosion, enlarging openings and invalidating results.

Fix: For acidic materials, specify 316L stainless steel.

Error 3: Wrong grade for quality needs. Using Compliance grade (66% confidence) for pharma release testing risks regulatory citation.

Fix: For regulatory testing, specify Calibration grade (99.73% confidence).

6. Quick Self-Assessment Checklist

Question	Your Answer	Recommended Action
What is your typical sample weight?	<25 g / 25-100 g / >100 g	Choose 100 mm / 200 mm / 300 mm diameter
Is your material corrosive or acidic?	Yes / No	Specify SS 316L / SS 304 is acceptable
Does your material generate static?	Yes / No	Consider nylon mesh / SS mesh is fine
Is your material flammable?	Yes / No	Specify brass frame / SS frame is acceptable
What is your quality requirement?	Regulatory / Routine QC	Specify Calibration / Compliance grade

7. Operation & Maintenance Essentials

Optimal Sample Weight: For 200 mm sieves, use 25–100 g.

How to Determine: Test 25g, 50g, and 100g specimens. If the 100g specimen shows a lower percentage passing the finest sieve, 100g is too large.

Endpoint: Run 5–10 minutes, then verify with an additional 2-minute run. Endpoint is reached when weight change is <5% or <0.1g.

Cleaning: Use an air jet, liquid stream, or ultrasonic cleaner. Never use sharp objects—they permanently distort the mesh.

Inspection: Check for loose mesh or broken wires before each use. Replace immediately if damaged.

8. Wet Sieving vs. Dry Sieving

Dry Sieving: For free-flowing powders (40 μm – 125 mm).

Wet Sieving: For oily, cohesive, or electrostatic-prone materials (down to ~20 μm).

9. Frequently Asked Questions

Q: What is the most common sieve size?

A: The 200 mm (8 inch) diameter analytical test sieve.

Q: What mesh sizes are available?

A: From 20 μm to 125 mm.

Q: How do I know if my sieve needs replacing?

A: Replace immediately if you see loose mesh, broken wires, or distorted joints.

Q: Can I use the same sieve for different materials?

A: Yes, but clean thoroughly between uses. For pharma, use dedicated sieves.

Q: Why do my results seem inconsistent?

A: Common causes: incorrect sample weight, inadequate cleaning, damaged mesh, or improper endpoint determination.

10. References

USP Chapter <786> – Particle Size Distribution Estimation by Analytical Sieving (official May 1, 2023).

ASTM E11-24 – Standard Specification for Woven Wire Test Sieve Cloth and Test Sieves.

ISO 3310-1 – Test Sieves – Technical Requirements and Testing – Part 1.