Portable Digital Leeb Hardness Tester

• Portable Leeb rebound hardness tester for non-destructive metal testing.
  
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  Measures multiple hardness scales: HL, HB, HRC, HRB, HRA, HV, and HS.
  
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  High-precision D-type impact device for reliable and repeatable measurements.
  
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  Large 128 × 64 digital LCD with backlight for easy reading.
  
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  Stores up to 600 groups of measurement data.
  
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  USB 2.0 interface for data transfer, reporting, and PC software compatibility.
  
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  Automatic impact direction recognition for accurate testing in various positions.
  
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  Programmable upper and lower tolerance limits with audible alarm.
  
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  Supports multiple metallic materials, including carbon steel, stainless steel, cast steel, alloy steel, cast iron, aluminum alloys, brass, bronze, and forged steel.
  
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  Durable metal housing with excellent resistance to vibration, impact, and electromagnetic interference.
  
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  Powered by 2 AA batteries with up to 200 hours of continuous operation.
  
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  Complies with ASTM A956, DIN 50156-1, and GB/T 17394-1998 standards.
  
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  Ideal for machinery inspection, pressure vessels, pipelines, heavy equipment, molds, bearings, and industrial quality control.

Housing: Industrial-grade metal enclosure.

Display: 128 × 64 digital matrix LCD.

Power: 2 AA alkaline batteries (included).

Keep the impact device clean and free from dust or metal debris.

Store in the protective carrying case when not in use.

Avoid dropping the instrument or exposing it to excessive moisture.

Remove batteries during long-term storage.

Periodically verify calibration using a certified hardness test block for optimum measurement accuracy.

Clean the exterior with a soft, dry cloth. Do not use abrasive cleaners or solvents.