Microindentation Testing
LM Series Microindentation Hardness Testers
Hardness Testing Made Effortless
The LM Series Hardness Testers bring accuracy, speed, and simplicity to microhardness testing. These testers feature advanced load control, intuitive operation, and rugged construction for consistent, repeatable results.
Whether you’re working with metals, coatings, or delicate materials, the LM Series delivers accurate indents and reliable performance every time. Compact, durable, and easy to use, it’s a great solution for labs that demand efficiency.
Why Choose LECO LM Series
Application Versatility
The LM Series delivers exceptional application versatility with models covering load ranges from 1 gf to 2000 gf, enabling accurate testing of everything from delicate foils and thin coatings to hardened steels. Dual-indenter configurations combine Vickers and Knoop testing in a single instrument, providing the flexibility to evaluate a wide variety of materials and thicknesses without changing systems.
Ease of Use
The LM Series features a clean, user‑friendly interface, with advanced models offering a digital touchscreen and automatic hardness calculation for faster workflows. Standard USB/RS232 output simplifies data handling, and the platform supports upgrades such as video measurement, motorized stages, and full automation, allowing your system to grow as your throughput demands increase.
Precision & Consistency
A rigid frame with dual leaf‑spring supports enhanced structural stability and ensures highly accurate indentation control. High‑intensity LED illumination provides clear, sharp indent visibility, while the automatic load application mechanism delivers repeatable impressions across all load levels. The result is reliable, high‑quality microhardness data you can trust.
Rugged & Efficient Design
The LM Series is built to withstand daily use in demanding lab environments, providing consistent performance with minimal maintenance. Its durable mechanical design, efficient light source, and upgrade-ready platform ensure long service life and dependable operation, making it a practical, cost-effective choice for microhardness testing.
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Applicable Methods
LECO hardness testers adhere to these approved methods.
- ASTM E92 Standard Test Methods for Vickers Hardness and Knoop Hardness of Metallic Materials
- ASTM E140 Standard Hardness Conversion Tables for Metals
- ISO 4545-2 Metallic Materials – Knoop Hardness Test, Verification and Calibration of Testing Machines
- ISO 6507-2 Metallic Materials – Vickers Hardness Test, Verification and Calibration of Testing Machines
Instrument Support
Ensure reliable instrument performance with extensive support, training, and maintenance services. Need tailored support for your hardness testing instruments? Our experts are standing by.
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