Divine Metrology

A Digital Portable Hardness Tester is a compact, handheld instrument used to measure the hardness of metallic materials directly on-site, without the need to cut samples or move heavy components to a laboratory.

Description:
This tester operates using advanced electronic methods such as Leeb rebound, ultrasonic contact impedance (UCI), or similar technologies. It measures material hardness by analyzing the response of the test surface to a controlled impact or vibration and instantly displays the hardness value on a digital screen.

Key features:

• Lightweight and handheld design

• Digital display with multiple hardness scales (HL, HRC, HRB, HV, HB, etc.)

• High accuracy and repeatability

• Data storage and statistical analysis

• USB/Bluetooth data transfer (model dependent)

• Battery operated for field use

Applications:

• Large or assembled components

• In-service inspection and maintenance

• Automotive, aerospace, shipbuilding, and power plants

• Welding and heat treatment verification

Advantages:

• Non-destructive testing method

• Ideal for hard-to-reach or heavy workpieces

• Fast measurements with minimal surface preparation

• Eliminates the need for laboratory testing

The tester works by pressing a spring-loaded indenter into the material’s surface under a standardized force. The depth of penetration is converted into a Shore hardness value, displayed on an analog dial or digital screen. Harder materials show higher Shore values, while softer materials show lower values.

Common Shore scales:

• Shore A – Soft rubber, elastomers, flexible plastics

• Shore D – Hard rubber, rigid plastics, hard polymers

• Shore OO – Very soft materials like gels and foams

Key features:

• Compact and easy to use

• Analog or digital display options

• Quick, non-destructive testing

• Standardized test method (ASTM / ISO)

• Some models include data storage and output

Applications:

• Rubber and plastic manufacturing

• Quality control and material testing

• Automotive, footwear, and consumer goods industries

• Research and development labs

Advantages:

• Fast and repeatable measurements

• Portable for on-site testing

• Simple operation with minimal training

A Rockwell Hardness Tester is a widely used material testing instrument designed to measure the hardness of metals and alloys by determining their resistance to indentation under a specified load.

Description:
The Rockwell hardness test works by applying a minor load followed by a major load to an indenter (either a diamond cone or a hardened steel ball). The difference in indentation depth between the two loads is measured and automatically converted into a Rockwell hardness value, which is displayed on an analog or digital scale.

Common Rockwell scales:

• HRC – Hardened steels and heat-treated alloys

• HRB – Softer metals like brass, copper, and aluminum

• HRA – Thin or very hard materials

• Other scales for specialized applications

Key features:

• Fast and direct hardness measurement

• Minimal surface preparation required

• Analog or digital readout options

• Manual, semi-automatic, or fully automatic operation

• High repeatability and accuracy

• Conforms to ASTM and ISO standards

Applications:

• Metal manufacturing and heat treatment processes

• Quality control and inspection labs

• Automotive, aerospace, and heavy engineering industries

• Research and material testing facilities

Advantages:

• Simple and rapid testing process

• Non-destructive for most parts

• Widely recognized and standardized method

• Suitable for production environments

A Metal Hardness Tester is a material testing instrument used to determine the hardness of metals and metal alloys, which indicates their resistance to indentation, deformation, or wear.

Description:
Metal hardness testers work by applying a controlled force through an indenter (such as a diamond cone, steel ball, or carbide tip) onto the metal surface. The size or depth of the resulting indentation is measured and converted into a standardized hardness value, depending on the test method used.

Common hardness testing methods:

• Rockwell – Fast, direct reading; widely used in production

• Brinell – Suitable for softer metals and cast materials

• Vickers – High accuracy for thin sections and small parts

• Shore (Scleroscope) – Rebound-based testing

• Leeb / Portable methods – On-site testing of large components

Key features:

• Accurate and repeatable measurements

• Analog or digital display options

• Manual, semi-automatic, or automatic operation

• Compliance with international standards (ASTM, ISO)

• Available in bench-top and portable models

Applications:

• Manufacturing and machining industries

• Heat treatment and metallurgical testing

• Quality control and inspection laboratories

• Automotive, aerospace, construction, and heavy engineering

Advantages:

• Helps ensure material strength and durability

• Supports quality assurance and process control

• Reduces risk of component failure

• Suitable for both laboratory and field use