OPTICAL BRINELL HARDNESS TESTER - Image 1
OPTICAL BRINELL HARDNESS TESTER
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TILE ABRASION TESTING MACHINE
TILE ABRASION TESTING MACHINE

OPTICAL BRINELL HARDNESS TESTER

Technical Specifications

  • Hardness Scale: Brinell (HBW / HBS)

  • Test Loads: 62.5 kgf, 100 kgf, 187.5 kgf, 250 kgf, 500 kgf, 750 kgf, 1000 kgf, 3000 kgf

  • Indenter Type:

    • Tungsten Carbide Ball

    • Hardened Steel Ball

  • Ball Diameters: 2.5 mm, 5 mm, 10 mm

  • Optical System:

    • Built-in measuring microscope or digital optical system

    • Magnification: 20× / 40× (model dependent)

  • Measurement Method: Manual or digital optical indentation measurement

  • Load Application: Dead-weight or hydraulic system

  • Dwell Time: Adjustable (typically 10–30 seconds)

  • Accuracy: Conforms to ASTM E10 / ISO 6506 standards

  • Specimen Height (Max): 200–300 mm (model dependent)

  • Throat Depth: 150–200 mm (model dependent)

  • Resolution: Up to 0.01 mm indentation measurement

  • Power Supply: 220–240 V AC, 50 Hz

  • Display:

    • Optical scale (manual models)

    • Digital display/software output (advanced models)

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Description

An Optical Brinell Hardness Tester is a precision instrument used to measure the Brinell hardness of metallic materials by optically measuring the diameter of the indentation left by a hardened steel or carbide ball. After applying a specified load for a defined dwell time, the indentation is observed through an integrated optical system (microscope or digital optics), ensuring accurate and repeatable hardness values.
It is widely used in foundries, metallurgical labs, quality control departments, and research institutions for testing castings, forgings, and large metal components.

Applications

  • Cast iron and steel testing

  • Non-ferrous metals (aluminium, copper alloys, brass)

  • Heat-treated components

  • Forgings and heavy machine parts

  • Metallurgical research and quality inspection

Key Features

  • High-precision optical measurement

  • Rugged construction for industrial use

  • Accurate and repeatable Brinell results

  • Easy operation and calibration

  • Suitable for large and uneven specimens

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  • Disc Diameter: 100–165 mm (customizable)

  • Disc Material: Hardened alloy steel (or as required)

  • Speed Range: 100 – 2000 RPM (variable)

  • Load Range: 5 N to 200 N (dead weight or lever loading system)

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  • Motor: Variable speed DC / AC motor with controller

  • Data Display: Digital display / Computerized interface (optional)

  • Data Output: USB / Software-based data logging (optional)

  • Power Supply: 220–240V AC, 50 Hz

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  • Standards Compliance: ASTM G99 / ISO 7148 (or equivalent)

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Technical Specifications

Load Capacity Range

  • From: 1 kN to 2000 kN (or higher depending on model)

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Machine Types

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  • Servo Hydraulic UTM

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Control Modes

  • Load control

  • Displacement control

  • Strain control

  • Pace rate control

Accuracy

  • Load accuracy: ±0.5% to ±1% of indicated load

  • Class 0.5 / Class 1 as per ISO standards

Load Measurement

  • High precision load cell

  • Multiple load cell options

Crosshead Travel

  • Typically 600–1200 mm (model dependent)

Speed Range

  • Very low to high test speeds

  • Example: 0.001 to 500 mm/min

Data Acquisition

  • Real-time force vs displacement curve

  • Stress–strain graph generation

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Safety Features

  • Overload protection

  • Emergency stop

  • Limit switches

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Standards Compliance

  • ASTM

  • ISO

  • IS

  • EN

  • DIN

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  • Tensile test

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  • Flexural test

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Technical Specifications

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Technical Specifications

  • Testing Method: Brinell Hardness (HB / HBW)

  • Load Range: 62.5 kgf to 3000 kgf (selectable as per model)

  • Load Application: Closed-loop servo motor / hydraulic with electronic control

  • Indenter: Tungsten Carbide Ball (Ø 1 mm, 2.5 mm, 5 mm, 10 mm)

  • Dwell Time: Programmable (1–99 seconds)

  • Measurement System: Digital optical system with CCD camera

  • Accuracy: Conforms to ASTM E10 / ISO 6506

  • Resolution: 0.01 HB

  • Display: PC-based software interface

  • Data Output: USB / LAN / Printer connectivity

  • Software Features:

    • Automatic indentation measurement

    • Statistical analysis

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  • Power Supply: 230V AC, 50 Hz

  • Standards Compliance: ASTM E10, ISO 6506, IS 1500

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Capacity Range

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Load Frame

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Loading System

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Control Mode

  • Computerized closed-loop control

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Load Measurement

  • High-precision load cell or hydraulic pressure transducer

  • Accuracy: ±1% or better of indicated load

Crosshead Travel

  • Up to 300–500 mm (customizable)

Grips & Fixtures

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  • Compression platens, bending fixtures, shear tools

Software Features

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Display & Interface

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Power Supply

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Safety Features

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📊 Typical Technical Parameters

(Specifications vary by model & capacity: 100 kN–2000 kN or more)

Parameter Typical Range / Value
Load Capacity 100 kN, 200 kN, 400 kN, 600 kN, 1000 kN, 2000 kN etc.
Load Accuracy ±1 % or better
Test Speed 0.001 to 500 mm/min (configurable)
Position Resolution 0.01 mm or better
Control Modes Load, strain/elongation, displacement, hold
Measurement Feedback Load cell, encoder/extensometer
Data Output Real-time graph, exportable results
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  • Quality control labs

  • Heat treatment shops

  • Foundries & forging units

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