Four E's USA (A Four E's Scientific Company)
GRUDYNE Digital Leeb Hardness Tester Kit with Test Block – 7 Scales
Portable Leeb metal hardness tester is an essential tool for industrial and laboratory hardness measurement. With high precision, portability and multi-scale compatibility, it is perfect for on-site testing and quality control. Below are its practical application cases across key industries.
Product Features
Versatile Industrial Applications
Ideal for hardness testing of metal parts such as shafts, gears, and bearings directly on production lines.
7 Hardness Scales with Automatic Conversion
Supports HL, HB, HRB, HRC, HRA, HV, and HS, enabling quick conversion to meet various industry standards.
Optimized for Mold & Die Inspection
Verifies hardness of mold cores, cavities, and inserts before and after heat treatment to ensure durability and precision.
Suitable for Metallurgical Testing
Designed for hardness inspection of steel plates, bars, castings, and forgings, compatible with carbon steel, alloy steel, and stainless steel.
Portable and Accurate
Compact design with high precision, enabling efficient on-site testing in workshops, production lines, and laboratories.
Specifications
| Measuring Range | 170 - 960 HLD (Leeb Hardness) |
| Measuring Accuracy | ±6 HLD / ±1 HRC / ±4 HB |
| Hardness Measurement Systems | Supports mutual conversion of 7 hardness units: HL, HB, HRB, HRC, HRA, HV, HS |
| Applicable Test Materials | Steel, iron, aluminum, zinc, copper and various alloy materials (the thickness of the tested metal shall be ≥5mm) |
| Data Storage | Up to 500 sets of data, the number of impact tests can be set to 1-32 times |
| Operation Functions | Equipped with backlight display, presettable upper and lower hardness limits with out-of-tolerance alarm |
| Data Transmission | Supports USB/RS232 data cable connection to computer for data exchange and parameter setting |
| Standard Accessories | Main unit, D-type impact device, hardness calibration block, RS232 communication cable, nylon brush (2 AA batteries required, not included) |
| Calibration Function | Calibratable by connecting impact device with main unit, supports averaging of 5 measurements and matching the value of standard hardness block |
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About Four E’s
Serving Laboratory Market Worldwide
We design and manufacture laboratory and medical equipment that delivers accurate and reliable performance. Four E's consumables and devices are trusted worldwide in research and medical laboratories. Due to our OEM and Private Label capabilities, "You may not recognize our name, but you've seen our products
PS: I am a human! :)
