Grind Tester LGDT-T2010

Introduction

Grind Tester features a measuring range of 0 to 200μm, allowing precise evaluation of particle fineness in a wide variety of samples. It detects minimum particle resolution range for accurately identifying fine particles and high-precision analysis in dispersion quality testing. The tester includes detection of fine plate grooves, ensuring that image analysis focuses precisely on the relevant testing area. Our grind tester offers an enlarged zooming mode, improving the accuracy of visual inspections during fineness evaluation. 

This test equipment is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Grind Tester is a precision instrument for measuring the fineness of dispersion and particle size in paints, coatings similar materials. It is utilized in paint, ink, coating, pigment, chemical and pharmaceutical industries for quality control and uniform product performance.

Specifications

Measuring Range	0 to 200μm
Scraping Speed	0 mm /s to 10 mm /s
Measuring Accuracy	one graduation of used gauge
Single Testing Time	< 2 min
Power Supply	0.5 KW
Overall Size (L×W×H)	860 mm×420 mm×430 mm
Net Weight	50 KG

Features

Rapid Fineness Measurement

High-Precision Motion Control

Adjustable Sample Reading Time

Image Magnification Function

Customizable Threshold Setting

FAQs

1. How does particle threshold adjustment enhance test customization in grind tester ?

modern grinding testers allow users to set upper and lower particle detection thresholds, tailoring the analysis to specific material requirements. If a particle is smaller than the lower limit, it’s ignored, and if larger than the upper limit with defect-like features, it’s marked as a pit. This ensures the results align with visual perception and material tolerances. Custom thresholds reduce false readings due to oversensitive detection. This level of control is especially useful for R&D labs evaluating new pigment blends. It provides flexibility while maintaining accuracy. Custom thresholding supports consistent quality control even across diverse product lines.

2. What kind of display information does a grind tester provide?

Grind Testers feature high-resolution displays that present key information such as sample name, batch number, test time, operation status, and real-time imaging results. Users can view original sample images, processed images, and particle distribution graphs side-by-side. The display also includes -compliant judgment based on Method A or B. Additionally, some testers offer an interactive 3 mm band to count particles within a specific height range, aiding visual validation. This real-time, multi-layered information display ensures transparency, traceability, and decision-making efficiency. It supports training, audits, and process optimization within quality systems.

3. How does the grind tester contribute to process optimization?

It supplies premium grinding testers .By delivering highly accurate, repeatable particle size analysis, a Grinding Tester becomes a critical feedback tool in process optimization. Manufacturers can fine-tune milling, dispersion, and mixing parameters based on test data. Early detection of under-dispersed materials prevents costly downstream failures such as poor gloss, weak tint strength, or uneven color. Some testers even enable batch-to-batch comparisons for process consistency. Additionally, the visual defect mapping allows engineers to identify potential sources of particle clumping or contamination. Ultimately, it reduces rework, saves raw materials, and shortens production cycles. The tester supports lean manufacturing and six sigma initiatives.

4. How is image resolution important in grind testing in ?

It supplies premium grinding testers .High-resolution imaging is crucial for accurate particle detection in modern grind testers. A system with superior optical clarity and precise focus can differentiate fine particles from minor surface defects like dust or scratches. Enhanced resolution allows deeper zooming without loss of quality, enabling detailed visual analysis of problematic zones. It also supports more precise edge detection for software algorithms, improving classification of particles versus pits or air bubbles. This leads to more reliable statistical data and reproducibility. High-quality optics are particularly important when working with nano-dispersions or highly pigmented formulations where clarity matters most.

5. What safety features are integrated in advanced grind testers ?

advanced grinding testers often include safety features like enclosed scraping units, auto-stop during obstruction, overheating protection, and sample tray spill guards. Digital alerts notify operators of system faults or incorrect operation. Some testers come with password-protected settings to prevent unauthorized changes in testing parameters. Others may have built-in lighting with safe brightness levels to prevent operator strain during inspection. User interfaces are designed for ergonomic use with touchscreens or intuitive keypads. These features make the tester safe for daily use in laboratories handling chemicals, solvents, or flammable materials. Operator protection remains a key design consideration.

6. What materials can be tested using a Grind Tester?

Grind Testers are suitable for analyzing a wide range of dispersions including paints, inks, coatings, pigments, cosmetics, adhesives, and pharmaceuticals. Both water-based and solvent-based formulations can be tested with proper compatibility. The instrument evaluates how finely solid particles are dispersed within a liquid medium. By assessing grind quality, users can determine whether milling or mixing processes are complete. It’s also used to compare pigment dispersion between batches. The tester is ideal for R&D, quality control, and production floor environments. Accurate particle detection supports improved performance in the final product. This helps prevent defects like sedimentation or poor coverage.

7. What are the key benefits of using a digital Grind Tester?

Digital Grind Testers offer numerous benefits over manual versions, including increased accuracy, efficiency, and reproducibility. They feature image analysis algorithms that identify fine particles, pits, and even aggregates. These instruments come with touchscreen interfaces to control speed, zoom levels, particle detection thresholds, and scraping parameters. They reduce operator error by automating the reading and result generation. Additional features such as reporting, batch tracking, and threshold filtering enhance traceability. They also support user-defined ROIs and allow comparisons between included and excluded particles. With less dependence on operator skill, digital testers deliver consistent, reliable results for critical quality control.

8. What scraping speeds are supported by automated Grinding Testers?

Automated Grinding Testers typically support variable scraping speeds ranging from 0 mm/s to 10 mm/s or more. This adjustable speed ensures optimal contact between the blade and sample, reducing inconsistencies during fineness testing. Slow speeds are ideal for viscous samples requiring careful drawdown, while faster speeds may suit lower-viscosity materials for quick analysis. Advanced testers allow the operator to preset scraping time and speed, ensuring that every test is reproducible across multiple batches. Consistent scraping speed is critical in avoiding false results due to drag, air entrapment, or uneven spreading. It also enhances alignment with standards.

9. How does detection improve test accuracy?

detection in digital Grind Testers focuses the image processing on specific areas of the grind plate grooves. By isolating only the region where particles should be evaluated, the software avoids misreading background defects or out-of-scope areas. This helps eliminate noise in measurement and ensures that only relevant particle size data is captured. Operators can also zoom into the to manually verify particles and confirm software accuracy. Some testers let users adjust or mark ROIs interactively, providing additional control. -based analysis improves both resolution and confidence in results, especially in automated and high-throughput environments.

10. Can digital Grind Testers detect surface defects like pits and scratches?

Yes, advanced digital Grind Testers use image recognition powered by deep learning models to detect not just particles, but also surface defects such as pits, scratches, bubbles, and bubble aggregation. These anomalies, if not filtered out, can be mistaken for particles during fineness measurement. The system intelligently classifies these features and allows users to exclude or include them from the final analysis. The software may offer real-time visualization of defect location, size, and distribution. This greatly enhances diagnostic capability and ensures more accurate readings, particularly in critical applications like high-performance coatings and pharmaceutical dispersions.