HMKTest | Precision Particle & Powder Testing Instruments

About HMKTest

As a member of the Chinese Society of Particuology (CSP) and the China Association for Instrumental Analysis (CAIA), and an ISO 9001:2015 certified company, HMKTest has been operating under the brand AimSizer since 1997, targeting the international high-end particle size test instrument market.

Since 2004, through continuous engagement with international customers, HMKTest identified the urgent need for reliable instruments in particle size analysis—especially for powders that laser analyzers cannot measure. We actively referenced international standards, collaborated with renowned experts, and developed the HMK-22 Fisher Sub Sieve Sizer, tailored for the global high-end market.

Committed to innovation, HMKTest launched the world’s first AS-300A Full-Automatic Hall Flowmeter, with over 10,000 units deployed globally. We also developed the HMKFlow 329 Angle of Repose Tester to fully meet powder flow testing requirements.

In density testing, HMKTest revolutionized the field with the LABULK 0335 Fourth-Generation Fully Intelligent Touch Screen Tap Density Tester, setting new global benchmarks. Our loose density instruments are the most diverse, highest quality, and most widely used in the world.

Trusted by Global Laboratories

Precision instruments used across North America, Europe, Asia, and beyond.

Our Product Range

HMKTest offers a comprehensive suite of particle and powder testing instruments designed for accuracy, reliability, and compliance with international standards.

AIR-200 Air Jet Sieve

High-efficiency air jet sieve for rapid dry powder separation. Ideal for fine powders where traditional sieving fails.

Complies with ISO 13320
Digital timer and vacuum control
Compact and easy to operate

HMK-22 Fisher Sub Sieve Sizer

Precision instrument for measuring particle size distribution using the Fisher method. Widely used in magnetic and metal powder industries.

High repeatability and accuracy
Complies with ASTM B330
German serial number traceability

AS-300 Hall Flowmeter

Also known as Carney Flow Meter Funnel, measures metal powder flow rate and apparent density with high precision.

Manual and automatic versions
ASTM B213 compliant
Durable brass construction

AS-2011 Laser Particle Size Analyzer

Advanced laser diffraction system for particle size analysis from 0.1 to 1000 microns. Ideal for R&D and QC labs.

Wide dynamic range
Automatic dispersion unit
Complies with ISO 13320

LABULK 0335 Tap Density Tester

Fourth-generation intelligent tap density tester with full touch screen control. Sets new standards in bulk density testing.

Fully automated operation
EP Chapter 2.9.15 compliant
Multi-language interface

HMKFlow 329 Angle of Repose Tester

Automated system for measuring the angle of repose, a critical parameter in powder flowability assessment.

Digital angle measurement
Repeatable and consistent results
Compact benchtop design

Rotary Sample Divider

Ensures representative sampling of powders and granules for accurate testing and analysis.

32 or 64 compartments
Stainless steel construction
No sample loss or contamination

Scott Volumeter

Measures bulk and tapped density of coarse powders and granules using standardized methods.

ASTM B527 compliant
Simple and reliable
Ideal for quality control

Test Sieve Shaker

Vibratory shaker for precise sieve analysis with adjustable amplitude and timing.

Stackable sieve frames
Digital control panel
Low noise operation

Why Choose HMKTest?

Our instruments are engineered for precision, durability, and compliance with international standards.

ISO 9001 Certified

Quality management systems ensure consistent product excellence and customer satisfaction.

Global Reach

Serving customers in North America, Europe, Asia, Africa, South America, and Oceania.

Standards Compliant

All instruments meet ASTM, ISO, EP, and other international testing standards.

Innovation Driven

Pioneering firsts like the AS-300A Full-Automatic Hall Flowmeter and LABULK 0335.

Frequently Asked Questions

What is the Fisher Sub Sieve Sizer used for?

The Fisher Sub Sieve Sizer measures particle size distribution of fine powders, especially metal and magnetic powders, using air permeability principles. It's widely used in quality control and R&D.

Is the AS-2011 Laser Particle Size Analyzer suitable for wet and dry samples?

Yes, the AS-2011 supports both wet dispersion and dry powder feeding systems, making it versatile for various sample types.

Does HMKTest offer international shipping?

Yes, HMKTest ships globally with reliable logistics partners. We provide HS codes, warranty, and spare parts support.

Are manuals and application notes available?

Yes, all product manuals, application notes, catalogs, and videos are available for download on our website.

What payment methods are accepted?

We accept Wire Transfer (TT), Letter of Credit, and PayPal for your convenience.

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Precision Particle & Powder Testing Instruments