Our Products
Our Complete range of products are Handheld Leeb Hardness Tester Leen H210, Pen Type Leeb Hardness Tester, Portable Hardness Tester, LS253 Leeb Hardness Tester Probe MI253-DC and Portable Leeb Hardness Tester (MI-251D).
1. Measurement Range
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• Hardness Scales:
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HLD: 170 - 960
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HRC: 17.9 - 69.5
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HB: 19 - 683
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HV: 80 - 1042
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HS: 30.6 - 102.6
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HRA: 59.1 - 88
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HRB: 13.5 - 101.7
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\n2. Impact Directions: Up, down, horizontal, slanting up, slanting down
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3. Measuring Materials
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• Steel and cast steel
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• Alloy tool steel
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• Stainless steel
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• Gray cast iron
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• Nodular cast iron
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• Cast aluminum alloy
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• Copper-zinc alloys (brass)
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• Copper-tin alloy (bronze)
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• Pure copper
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• Forged steel
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4. Standards Compliance
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• ASTM A956
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• DIN 50156-1
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• GB/T 17394-1998
1. Measurement Range
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• 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
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2. Applicable Materials
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• 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
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3. Measurement Directions: 360° measurement — usable in any direction
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4. Hardness Scales Supported
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• Leeb (HL)• Brinell (HB)• Rockwell (HRC, HRB, HRA)• Vickers (HV)• Shore (HS)
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\n5. Accuracy & Repeatability
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\n• Equipped with D-type impact device• Ensures precise indication error and stable repeatability
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6. Software & Calibration
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• Supports upper and lower limit setting• Includes software calibration function for display value adjustments
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7. Data Storage Capacity: 373–2688 results, depending on test settings (impact times: 32 to 1)
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8. Battery Life: Up to 360 hours without backlighting
1. Measuring Range:
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• Leeb Hardness (HLD): 170–960
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• Vickers Hardness (HV): 83–976
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• Brinell Hardness (HB): 30–651
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• Rockwell Hardness:
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-HRC: 17.6–68.5
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-HRB: 13.5–100
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-HRA: 60–85.8
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• Shore Hardness (HS): 26.4–99.5
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2. Probe: Impact device D / Impact device DC / Impact device DL / Impact device C
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3. Hardness Scales Supported: HL, HV, HB, HS, HRA, HRB, HRC
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4. Resolution: 1 HL
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5. Accuracy: ±12 HL, ±6 HL (typical)
\n6. Repeatability: 6 HL (factory standard)
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7. Display: 240 × 16 dot matrix LCD
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8. Power Supply: Battery Type: 2 × AA alkaline dry batteries
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9. Host Size: 142 × 72 × 28 mm
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10. Probe Size: 148 × 31 × 25 mm
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11. Weight: 247 g
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12. Working Temperature Range: -10°C to 50°C, 0–85% RH (no condensation)
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13. Storage Temperature Range: -10°C to 60°C, 0–85% RH (no condensation)
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14. Main Features: Suitable for testing the hardness of inner holes and narrow parts with short size
1. Measuring Range:
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• HLD: 170–960
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• HB: 19–651
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• HRB: 13.5–101.7
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• HRC: 17.9–69.5
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• HRA: 59.1–88
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• HV: 80–1042
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• HS: 30.6–102.6 (customizable)
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2. Impact Directions: Up, Down, Horizontal, Slanting
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3. Tensile Strength: 374 to 2652 N/m²
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4. Supported Materials: Steel, Stainless steel, Cast iron, Aluminum alloys, Copper alloys
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5. Hardness Scales: HB, HRB, HRC, HRA, HV, HS
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6. Display: 128 × 64 LCD
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7. Memory Capacity: Stores up to 600 groups (32 readings per group)
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8. Power Supply: 3V (2 × AA batteries)
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9. Size: 125 × 71 × 27 mm
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10. Weight: 0.3 kg
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11. Battery Life: Up to 200 hours (with backlight off)
1. Display: 128 × 64 dot matrix LCD, displaying all functions and parameters2. Testing Angles: Can be used at any angle, even upside down3. Forged Steel Support: When using D/DC impact device, reads HB value directly without manual table reference4. Wide Measuring Range: Suitable for all metallic materials5. Hardness Scales: HRB, HRC, HRA, HV, HB, HS, HL, and three strength values6. Impact Devices: Seven impact devices available for special applications7. Automatic Recognition: Identifies the type of impact device automatically8. Memory Capacity: Stores 600 groups of data, including single measured values, mean values, impact direction, material, and hardness scale9. Upper & Lower Limits: Pre-settable with automatic alarm when exceeding limits10. Battery Status: Displays remaining battery capacity and charge status11. User Calibration Function: Allows for calibration as needed12. USB Port: Supports PC multi-function data processing software13. Printer: High-speed thermal printer for immediate and permanent data printing14. Power Source: NI-MH rechargeable battery with built-in charge circuit
Key Features
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• Utilizes advanced digital probe technology
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• Built-in direction sensor for enhanced accuracy
\n• Supports multiple hardness scales for versatility
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• Offers QC and statistical analysis modes