The Universal Hardness Testers LD250 and LD750 offer a comprehensive range of hardness testing methods, including Rockwell, Superficial Rockwell, Brinell, Brinell HBT, and Vickers, conforming to ASTM and DIN EN ISO international standards.

Test Loads:

LD250: 1 to 250 kgf (9,807 to 2452 N)

LD750: 3 to 3000 kgf (29.4 to 29421 N)

Features:

One Touch Measurements: Equipped with the AFFRI System, ensuring high load accuracy and measurement resolution for hardness tests.
User-Friendly Operation: The hardness test cycle is automatically executed with a single start input, including contact with the specimen, active sliding clamping, preloading and loading, switching to optic lens, autofocus by image brightness scanning, measurement through the camera, and return stroke at the programmed distance.
Auto-Contact and Clamping: Fully motorized adjustable testing vertical capacity with automatic contact and clamping from any distance, recognized at any position within the vertical stroke.
Robust Design: Suitable for heavy and bulky samples, easily placed using a forklift or overhead-traveling crane. Capable of functioning in hostile environments.
Auto-Compensation of Deflections: AFFRI System ensures continuous contact with unstable or deflecting samples, maintaining accuracy even in extreme conditions.
Hardness Software: Preinstalled software prevents setting errors, providing color highlighted results, live statistics, test settings programs, result archives, and various export options (PDF, TXT, CSV, DOD, XLS). Supports data entry via code bar scanning and outputs via RS232, USB, and Ethernet. Compatible with INDUSTRY 4.0 standards.
Automation: Fully automated system with features such as auto focusing, automatic measuring and reporting, enabling uninterrupted operation for hours, improving productivity and saving time and money.

Main Components:

Motorized Turret: Automatic two-position turret with one indenter and one objective, allowing for a completely automatic hardness test cycle.
Clamping System: Ensures secure contact with the specimen, maintaining stability throughout the test cycle, even with oiled, rusty, or dirty samples.
Hard Base: Wide work table base capable of bearing masses over 3000 kg and accommodating bulky and irregular test pieces.
Auto Focus: Automatic focus adjustment for precise positioning at any magnification, ensuring high reading standards and reducing reading time.
Auto-Reading Through Camera: Measures indents on various sample surfaces, adjusting light and contrast for accurate readings.
Protected Diamond Indenter: Special protective cup minimizes the risk of accidental shock, ensuring a longer lifespan for the indenters.

EVERYTHING IS AUTOMATED, FREEING USERS FOR OTHER TASKS:

Auto focusing, automatic measuring and reporting, allows this system to function unattended for hours without interruption, saving time and money, thus increasing output and productivity.

The Universal Hardness Testers LD250 and LD750 are designed to deliver accurate and reliable hardness measurements, making them ideal for diverse industrial applications.

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AFFRI Universal Hardness Tester LD750

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