Phase II PHT-3500 Sophisticated hardness tester featuring a printer

Phase II PHT-3500 Portable Hardness Tester with Printer – Advanced Digital Measurement

The updated PHT-3500 hardness tester is engineered for rapid evaluation of large and solid components using the proven Leeb rebound method, offering precise readings every time.

Multi-Scale Hardness Testing

The PHT-3500 easily converts test results to the most widely used hardness scales, including Rockwell, Brinell, Vickers, Shore, and more, making it ideal for versatile industrial applications.

The Advanced Hardness Tester with Printer is widely used by manufacturing engineers, metallurgists, and quality control inspectors to measure the hardness of metal components during production and maintenance inspections. Portable hardness testers allow technicians to evaluate large or installed parts directly on site, helping verify material properties and heat-treatment quality without removing components from service. Modern testers can automatically convert measurements between common hardness scales such as Rockwell, Brinell, Vickers, and Shore, supporting standardized material verification across industries including machining, metal fabrication, and heavy equipment manufacturing. 

Professionals value hardness testers with integrated printers because they produce immediate test records for inspection reports and traceability documentation. Compared with manual hardness testing methods or lab-only equipment, portable digital testers provide fast field measurements, statistical analysis of results, and electronic data storage, improving efficiency and quality assurance in materials testing and industrial maintenance programs. 

The Advanced Hardness Tester with Printer is widely used by manufacturing engineers, metallurgists, and quality control inspectors to measure the hardness of metal components directly in the field. Portable hardness testers are designed to evaluate large or installed parts such as castings, forgings, pipelines, and heavy machinery without removing them from service, allowing rapid verification of material properties and heat-treatment quality during production and maintenance inspections. Modern digital testers automatically convert readings between common hardness scales including Rockwell, Brinell, Vickers, and Shore, supporting standardized materials testing across manufacturing industries as described in technical documentation for portable hardness testing systems from industrial hardness tester specifications and applications. 

Professionals value hardness testers with integrated printers because they provide immediate documentation of measurements for inspection reports and traceable quality control records. Instruments of this class typically include features such as automatic scale conversion, statistical analysis of results, and memory storage for multiple test groups, improving efficiency and repeatability in industrial inspection programs. Built-in printers allow technicians to generate instant test records directly at the inspection site, which is particularly useful for quality assurance in metal fabrication, heavy equipment maintenance, and materials verification workflows. 

Simple Operation

• Load the appropriate impact body
• Position the impact body on the test surface
• Press the button to start testing and obtain an immediate reading

Included Standard Accessories

• Base instrument
• Impact device D
• Calibrated test block
• Custom carrying case
• Cleaning brush
• Operation manual

Optional Accessories for Specialized Testing

• Additional impact devices: DC, D+15, DL, G, C
• Special support rings for irregular surfaces
• Mini printer for on-site data recording

Key Functions & Features

• Intuitive keypad operation for quick testing
• Automatic impact device recognition
• Large backlit LCD display for easy reading
• USB output for data transfer
• Automatic conversion to Brinell, Rockwell B & C, Vickers, and Shore scales
• Displays mean, minimum, and maximum values automatically
• Battery level indicator
• Memory capacity of up to 100 measurement groups

Special Application Impact Devices

Impact Device D

Universal standard device suitable for the majority of hardness testing tasks.

Impact Device DL (not shown)

Features a needle front section (0.109” diameter x 1.96” length) for measurements in extremely confined spaces.

Impact Device G

Enlarged test tip designed for heavy, solid components such as rough castings and forgings. Brinell scale only.

Impact Device DC

Extremely short device ideal for confined areas such as holes, cylinders, and internal surfaces.

Impact Device D+15

Slim front section with coil set back, perfect for grooves and recessed surfaces.

Impact Device C

Reduced impact energy device for testing case-hardened or thin-walled components.

Q&A

What materials can the PHT-3500 test?

The PHT-3500 is suitable for metals of all hardness levels, including steel, aluminum, and cast iron, as well as alloys commonly used in industrial applications.

Can the tester convert results to different hardness scales?

Yes, it can automatically convert readings to Rockwell, Brinell, Vickers, and Shore scales, providing versatility for different standards and reports.

How portable is the PHT-3500?

With its compact design, included carrying case, and optional mini printer, the PHT-3500 is highly portable and ideal for on-site measurements.

What is the memory capacity for stored measurements?

The device can store up to 100 groups of measurements, allowing for easy tracking and review of testing results.

Are there optional impact devices for specialized testing?

Yes, optional devices such as DC, D+15, DL, G, and C allow testing in confined spaces, grooves, rough surfaces, and case-hardened components.

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Safety Instructions

• Only use the specially supplied battery pack and charger with the PHT-3500. Using other power sources may cause instrument damage, battery leakage, or fire.
• Never dispose of the battery pack in fire, short-circuit, disassemble, or expose to heat. Such actions may result in leakage, fire, or explosion.
• Avoid touching the heating head of the printer or opening the paper compartment while printing to prevent burns.