Digital Portable Hardness Tester by Mukta Instruments

1. Measurement Range

• Leeb (HLD): 170–960
• Brinell (HB): 19–651
• Rockwell B (HRB): 13.5–101.7
• Rockwell C (HRC): 17.9–69.5
• Rockwell A (HRA): 59.1–88
• Vickers (HV): 80–1042
• Shore (HS): 30.6–102.6

2. Applicable Materials

• Steel and cast steel
• Alloy tool steel
• Stainless steel
• Gray cast iron
• Ductile iron
• Cast aluminum alloys
• Copper-zinc alloy (brass)
• Copper-tin alloy (bronze)
• Pure copper
• Forged steel

3. Measurement Directions: 360° measurement — usable in any direction

4. Hardness Scales Supported

• Leeb (HL)
• Brinell (HB)
• Rockwell (HRC, HRB, HRA)
• Vickers (HV)
• Shore (HS)

5. Accuracy & Repeatability

• Equipped with D-type impact device
• Ensures precise indication error and stable repeatability

6. Software & Calibration

• Supports upper and lower limit setting
• Includes software calibration function for display value adjustments

7. Data StorageCapacity: 373–2688 results, depending on test settings (impact times: 32 to 1)

8. Battery Life: Up to 360 hours without backlighting