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Electronic Brinell Hardness Tester

Electronic Brinell Hardness Tester

Model: HBE-3000A

HBE-3000A electronic Brinell hardness tester is suitable for measuring the Brinell hardness of ferrous and non-ferrous metals. This machine uses a closed-loop sensor loading system and an electronic control system, offering 10 levels of test force. It features high accuracy, excellent repeatability and stability, and is easy to operate. 

By eliminating the use of traditional weights for loading and adopting microcontroller control with sensor signal acquisition and stepper motor-based closed-loop loading, it ensures more precise force application and more stable readings. It has good operability and user-friendliness, a high cost-performance ratio, and is widely used in factory workshops, universities, research institutions, and laboratories.

General Introduction

HBE-3000A electronic Brinell hardness tester is suitable for measuring the Brinell hardness of ferrous and non-ferrous metals. This machine uses a closed-loop sensor loading system and an electronic control system, offering 10 levels of test force. It features high accuracy, excellent repeatability and stability, and is easy to operate.

By eliminating the use of traditional weights for loading and adopting microcontroller control with sensor signal acquisition and stepper motor-based closed-loop loading, it ensures more precise force application and more stable readings. It has good operability and user-friendliness, a high cost-performance ratio, and is widely used in factory workshops, universities, research institutions, and laboratories.

Key Features

  • Features
  • Application
  • Standard
  • Working principle

1. Equipped with precision sensors and a microcomputer control system, providing accurate and stable test results;

2. Features 10 levels of test force, allowing for a wider testing range;

3. Comes with a high-performance stepper motor for automatic loading and unloading, producing less noise during testing;

4. The casing is cast in one piece, ensuring structural stability without deformation, capable of operating in relatively harsh environments;

5. The surface is treated with automotive baking paint, resistant to scratches, and remains shiny and new even after years of use;

6. This machine can be optionally equipped with Brinell image measurement software, greatly improving work efficiency;

7. Significantly enhances the reliability and stability of the hardware during operation;

8. Eliminates the traditional use of weight-based loading, adopting the latest fully electronic closed-loop sensor load control system;

9. Test force and dwell time can be directly selected and entered on the touch panel.

Brinell hardness testing uses high test forces and produces large indentations, making it suitable for hardness testing of metals with large grains, such as cast iron, non-ferrous metals and alloys, steel after various annealing and quenching treatments, and especially for relatively soft metals like pure aluminum, lead, and tin.

Electronic Brinell hardness testers use high test forces and produce large indentations, suitable for testing metals with large grains, such as cast iron, non-ferrous metals, alloys, and steel after various annealing and quenching treatments, particularly for softer metals like pure aluminum, lead, and tin, as well as hardness testing of ferrous and non-ferrous metals. 


Brinell hardness testers can be used to test castings, forgings, steel in supplied condition, non-ferrous metals, and semi-finished steel products that have undergone quenching and tempering. This is a portable instrument suitable for workshop use, simple to operate, easy to carry, and capable of on-site testing of large workpieces without sampling, enabling individual inspection of large workpieces.


Brinell hardness testers are mainly used for hardness testing of wrought steel and cast iron with uneven structures. The Brinell hardness of wrought steel and gray cast iron corresponds well with tensile testing results. Brinell hardness testing can also be applied to non-ferrous metals and mild steel; using a small-diameter ball indenter allows measurement of small-sized and thinner materials. Brinell hardness testers are often used for inspection of raw materials and semi-finished products; due to the large indentation, they are generally not used for finished product testing.


The selection of Brinell hardness test conditions is similar to the choice of scale in Rockwell hardness testing. Brinell hardness testing also faces the issue of selecting test conditions, namely the choice of test force F and indenter ball diameter D. This choice is not arbitrary but must follow certain rules, paying attention to the reasonable combination of test force and indenter diameter. Its application is slightly more complex compared to Rockwell hardness testing.


ASTM E10 “Standard Test Method for Brinell Hardness of Metallic Materials”


ISO 6506 “Metallic materials -- Brinell hardness test”

The working principle of the Brinell hardness tester is to press a steel ball of a certain diameter into the surface of the specimen at a certain speed under a specified test force. After maintaining the applied force for a prescribed duration, the force is removed. The Brinell hardness value of the metal is represented by the average pressure on the spherical surface area of the indentation.

Main Technical Specification

MODELHBE-3000A
Test forceN612.9, 9 80, 1226, 1839, 2452, 4903, 7355, 9807, 14710, 29420
Kg62.5, 100, 125, 187.5, 250, 500, 750,1000, 1500, 3000
Testing range(8-650)HBW
Accuracy of indication value
HBW≤125Max. indication tolerance: ±3.0, repetition: ≤3.5
125<hbw≤225< strong="">Max. indication tolerance: ±2.5, repetition: ≤3.0
HBW>225Max. indication tolerance: ±2.0, repetition: ≤2.5
Max. height of test specimen220mm
Max. width of test specimen130mm
Amplification of Microscope20*
Min Reading Grade of the Drum wheel of the microscope0.005mm
PowerAC 220V, 50/60HZ
Net Weight125Kg
Standard AccessoriesStandard Rockwell hardness block: 2 pcs;
20* microscope;
steel ball indenter: (∮2.5mm, ∮5mm, ∮10mm);
Test Tables: (Large, Small and V-shaped);
Power cord, manual, etc.


Acceessories

Standard Rockwell hardness block: 2 pcs;

20* microscope;

steel ball indenter: (∮2.5mm, ∮5mm, ∮10mm);

Test Tables: (Large, Small and V-shaped);

Power cord, manual, etc.

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Beijing United Test Co., Ltd.