BLTHV-5, 10, 30, 50 ZXY Semi-Automatic Vickers Hardness Tester
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Description
Product Introduction:
The BLTHV‑5, 10, 30, and 50 ZXY semi‑automatic Vickers hardness testers are primarily used for measuring micro‑ and thin‑section specimens as well as brittle materials. By selecting various accessories or upgrading different components, they can be widely applied to a broad range of metals—including ferrous and non‑ferrous alloys, castings, and alloyed materials—along with metal microstructures, surface‑treated layers, electroplated coatings, hardened layers (such as oxides, various diffusion layers, and coating deposits), heat‑treated samples, carburized specimens, quenched parts, and minute regions containing phase inclusions. They are also suitable for testing brittle, hard non‑metallic materials such as glass, agate, synthetic gemstones, and ceramics. These instruments are particularly well suited for determining hardness gradient profiles in large batches of workpieces and for performing localized hardness measurements at specified locations. Equipped with an automated translation stage driven by a built‑in stepper motor and controlled via mouse clicks, they offer multiple operating modes, high positioning accuracy, excellent repeatability, rapid travel speeds, and outstanding operational efficiency.
Software specifications:
1. Introduction
The semi‑automatic Vickers hardness tester integrates cutting‑edge technologies such as optical imaging, mechanical displacement, electronic control, digital imaging, image analysis, and computer processing. It uses a host computer to control both the Vickers indenter and the automated stage, digitizing the hardness indentation and displaying it on the screen. By employing automatic and manual readings, it accurately measures the microhardness of metals and certain non‑metallic materials, as well as the depth of hardened layers, the thickness of coating films, and the distance between two points. It can also capture surface topography and produce fixed‑magnification prints. This system breaks away from conventional hardness testing methods, delivering fully automated, high‑precision, and highly repeatable measurements, making it an essential tool for materials analysis.
2. Composition
The computer host controls the hardness tester’s operations and receives its feedback via an RS‑232 serial port; it also interfaces with the stage control box, which in turn drives the automated sample stage and relays relevant data. The optical signal from the indentation produced by the Vickers hardness tester is captured by a digital camera and displayed on the computer monitor, after which the Vickers hardness value is determined through automatic or manual readings.
Product Features:
| Pressure Control | During the conversion of test force in a hardness tester, the system detects changes in the test force and displays them in real time. | |
| Turret Control | The software controls the hardness tester to switch automatically between the objective lens and the indenter, eliminating the need for manual operation. | |
| Load Control | The software controls the hardness tester to apply the load, eliminating the need for manual operation. | |
| Measurement and Control | The software controls the hardness tester turret, applies the load, and directly reads the Vickers hardness value. | |
| Light Source Brightness Control | Set the brightness of the light source. | |
| Image Acquisition | It displays hardness images in real time, and allows for image storage, printing, and fixed-magnification printing. | |
| Manual/Automatic Measurement | Manual: diagonal‑line measurement, two‑point line‑card measurement, four‑point measurement; Automatic: automatically identifies the four vertices of the indentation, offering fast speed and accurate data. Continuous testing, instant measurement upon input, and pressure application at specified coordinates. | |
| Hardness Conversion | In accordance with national standards, it automatically performs conversions among Brinell, Rockwell, Vickers, and Knoop hardness values, displays the results in real time, and supports conversion to various international standards. | |
| Text and Image Report | Automatically records measurement data, generates hardness–depth curves, and saves or prints both the hardness–depth curves and all indentation measurement values; also saves or prints indentation images along with the current indentation hardness value. Inspection reports can be customized according to user requirements. Using data‑processing software, the hardened‑layer depth values obtained from continuous measurements of a specimen can be displayed in tabular form. The system can export various measurement data, including D1 and D2 values, hardness tables, hardened‑layer depths, as well as maximum, average, and minimum values; it also displays and outputs images of each indentation. Hardness values, hardness charts, hardened‑layer depth profiles, and embedded images can all be flexibly edited in Word or Excel, enabling the generation and printing of test reports that incorporate statistical analyses and hardened‑layer depth curves, with options to save the report in Word or Excel format. Additionally, observed microstructural images of the sample can be printed and saved, directly revealing the microstructure of both the indentations and the surrounding matrix. |
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| Nusselt measurement | The indenter can be replaced to enable automated Knoop hardness measurements. | |
| Automatic Loading Worktable | The system allows automatic point selection by clicking anywhere on the interface, enables setting the starting position of a straight line and defining random movement positions, and permits 8‑directional control of the automated X‑Y stage via mouse. It supports speed adjustment, automatic homing, and free coordinate zeroing. The software system enables programmable control of the automated stage’s movement, offering 14 operating modes: 1) Along the line; 2) Along the line with an angle; 3) Free click; 4) Along the horizontal alignment; 5) Along the vertical alignment; 6) Multiple lines along the curve; 7) Along-curve matrix; 8) Circular arc; 9) Tooth center; 10) Tooth tops are parallel; 11) Automatically aligned with edge angles; 12) Automatically aligned with edge matrix; 13) Center of the circle; 14) Multiple tooth tops parallel along a curve. |
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| Motor | Stepper motor | |
| Maximum travel distance | 50mm | |
| Minimum movement distance | 1mm | |
| Movement speed | Adjustable | |
| Positional repeatability | 1um | |
| Sample stage dimensions | 100mmX100mm | |
| Image Acquisition/Recognition | It employs a high‑quality, high‑resolution 1.3‑megapixel camera with high‑speed acquisition: 1280×1024 resolution at 25 frames per second, enabling the capture of large‑size raw images. The image and measurement data are stored in standard file formats such as BMP and JPG. | |
| Automatic measurement time | Approximately 0.3 seconds per indentation | |
| Measurement repeatability | ±1.0% (700HV/500gf, when the indentation is clear) | |
| Minimum unit of measurement | 0.01mm | |
Technical Specifications:
| Parameter Name | Parameter Data |
| Hardness scale (choose one of four) | 1. (HV0.3, HV0.5, HV1, HV2, HV3, HV5) 2. (HV0.3, HV0.5, HV1, HV3, HV5, HV10) 3. (HV1, HV3, HV5, HV10, HV20, HV30) 4. (HV1, HV5, HV10, HV20, HV30, HV50) |
| Display | 7-inch LCD touch display |
Test force range (kg) Choose one of the four hardness scales. |
1. (0.3, 0.5, 1, 2, 3, 5) 2. (0.3, 0.5, 1, 3, 5, 10.) 3, (1, 3, 5, 10, 20, 30) 4. (1, 5, 10, 20, 30, 50) |
| Load Control | Automatic (Load/Keep/Unload) |
| Test force holding time (s) | 5–60 |
| Test Force Selection | External force-selection knob; the test force is automatically displayed on a 7-inch LCD touch screen. |
| Objective magnification | 10×, 20× |
| Optical channel | Dual optical channels (eyepiece and CCD imaging channel) |
| Optical system (dual optical channels, no switching required) | 1. Automatic digital encoder; 2. Total magnification (μm): 100× (observation), 200× (measurement); 3. Measurement range (μm): 400; 4. Resolution (μm): 0.125 |
| Hardness measurement range | (5-3000)HV |
| Data Output (Optional) | Built-in printer; test data can also be exported via USB to a flash drive for storage and analysis. |
| Maximum specimen height (mm) | 165 |
| Maximum specimen width (mm) | 130 (distance from the centerline of the indenter to the machine wall) |
| Power supply voltage | AC220V/50HZ |
Standard configuration:
| Vickers hardness tester | Four test forces to choose from 1. (0.3, 0.5, 1, 2, 3, 5) 2. (0.3, 0.5, 1, 3, 5, 10.) 3, (1, 3, 5, 10, 20, 30) 4. (1, 5, 10, 20, 30, 50); The test force can be converted to the following units: (kgf, N); The optical system designed by a senior optical engineer not only delivers crisp images but can also function as a simple microscope, with adjustable brightness, comfortable viewing, and reduced eye strain even during prolonged use. The 7-inch LCD touch screen provides an intuitive display of hardness values, conversion factors, test methods, test forces, dwell times, measurement counts, and the entire testing process, making it clear and easy to follow. The system features a built-in calibration function, allowing manual adjustment of input error to calibrate the instrument. The upper and lower measurement limits can be set and displayed on the main measurement screen. Loading method: Fully automatic; Lens and indenter switching: fully automatic; The centering accuracy between the objective lens and the indenter is less than 1 µm. The die-cast aluminum housing is formed in a single step, ensuring structural stability and resistance to deformation. Its high‑grade pure white automotive finish offers excellent scratch resistance. The results are simultaneously converted to Rockwell, Vickers, and Brinell scales. |
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| Standard configuration: | Micro-Vickers indenter | 1 piece | 10X objective lens | 1 piece | 20X objective lens | 1 piece |
| Weight | 1 set | Vickers hardness block | 2 pieces | 10 × Micrometer eyepiece | 1 piece | |
| Electric platform controller | 1 piece | Electric Cross Table | 1 piece | Level gauge | 1 piece | |
| Leveling adjustment screw | 4 pieces | Screwdriver | 2 pieces | External power cable | 1 piece | |
| Dust cover | 1 piece | Installation and Operation Manual | 1 serving | Optical adaptation lens | 1 piece | |
| USB dongle | 1 piece | Camera | 1 piece | Software CD | 1 piece | |
| Control-specific cable | 1 piece | RS232 communication cable | 1 piece | |||
| Software Configuration: | ||||||
| XY Sample Movement Control | Provides an XY electrically driven sample stage: controllable via software or adjustable manually; the X and Y axes can move simultaneously; fine, precise positioning is achievable using the keyboard’s arrow keys. | |||||
| XY Remote Sensing | XY Electrically Driven Sample Stage | |||||
| Loading Mode and Path Settings | Provides multiple loading modes, including along‑line, along‑edge angle, and along‑curve edge angle; the coordinates of the load point can be set arbitrarily. | |||||
| Automatic Edge Scanning | Automatically scan along the sample edge and automatically detect inflection points, such as tooth tops and tooth roots. | |||||
| Automatic loading and measurement | The system automatically loads according to the preset loading mode, performs automatic measurements, and generates the hardening curve; all operations can be completed with a single click. | |||||
| Hardness value conversion, correction, and valid verification | The system can simultaneously convert measured micro‑Vickers hardness values into multiple other hardness scales, such as HB and HR; it can correct measurements taken on spherical and cylindrical specimens; and it can perform reliable verification of the measured values. | |||||
| Data Statistics | Automatically calculates statistical metrics such as the average hardness, variance, Cp, and Cpk. | |||||
| Data storage | Measurement data and images can be saved in a single document for later retrieval. | |||||
| Test Report | Automatically generate WORD or EXCEL document reports; users can customize report formats; standard formats include individual hardness measurement values, statistical data, indentation images, and hardening curves, among others. | |||||
| Vickers hardness | Can be set to Knoop hardness measurement. | |||||
| Fracture toughness | It can be set to measure indentation fracture toughness. | |||||
| Other features | Includes all functions of a microscopic image processing and measurement system, such as image acquisition, calibration, image processing, geometric measurement, document annotation, album management, and magnification‑based printing. | |||||
| computer | Lenovo Commercial Computers | |||||
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