MRocky-150/45 Rockwell Hardness Tester
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Product Features & Applications
Product Feature:
- MRock-150 automatic full Rockwell hardness tester adopts a brand-new aluminum alloy die-casting process, featuring a robust and aesthetically pleasing casing.
- Equipped with a weight-loading mechanism, the instrument can perform hardness tests on all Rockwell and superficial Rockwell scales with one-touch operation for fully automated testing.
- The machine achieves a GRR (Gage Repeatability & Reproducibility) < 10%, delivering exceptional repeatability and reproducibility for reliable measurements.
- With a stable system, excellent structural rigidity, user-friendly interface, and easy operation and maintenance, this tester meets the high standards of laboratory hardness inspection and is also suitable for routine hardness testing in automated production lines.
- Brand-new aluminum alloy die-casting process for a sturdy casing with an attractive appearance; the rigidity of the main body is comparable to that of standard testing machines.
- Equipped with a weight-loading mechanism with automatic weight homing to eliminate friction against the machine wall, ensuring outstanding test accuracy and stability, and simplifying calibration and maintenance.
- The lead screw is heat-treated to a hardness of 35HRC–40HRC, stabilizing test data at varying lifting heights. The heat-treated and drawn lead screw is solid and wear-resistant, greatly reducing measurement instability caused by wear-induced clearance during long-term use.
- 1:1 high-precision displacement sensor to display test depth in real time.
- Supports all Rockwell and superficial Rockwell scales, automatically switching between preliminary and total test forces based on the selected scale.
- Features an 8-inch high-definition touchscreen for display and operation; upgraded mechanical and electrical design enables one-touch operation, balancing high test efficiency and excellent user experience.
- Supports conversion between various hardness scales with selectable conversion standards for multi-value conversion, displaying up to 4 converted hardness values simultaneously.
- Offers multi-language support including Chinese, English, German, French, Russian, Japanese, etc., with free switching.
- One-touch completion of workpiece lifting, indenter loading, dwell, unloading, hardness value display, and test stage return to the home position.
- Provides data storage and out-of-tolerance alerts, automatically calculating maximum, minimum, and average values. Test results can be exported to a USB flash drive via the USB port, and an RS232 interface is available for computer connection.
Product Application:
- Suitable for hardness testing of quenched, tempered, annealed, and hard cold castings; malleable castings; hard alloy steels, aluminum alloys, copper alloys, bearing steels, etc. Also applicable to surface-quenched steels, surface heat-treated and chemically treated layers, copper and aluminum alloys, thin sheets, galvanized, chrome-plated, and tin-plated materials, bearing steels, hard cold castings, etc.
Technical Specifications
| Model | MRock-150 |
| Initial Test Force | 3kgf (29.42N), 10kgf (98.07N) |
| Total Test Force | 15kgf (147.1N), 30kgf (294.2N), 45kgf (441.3N), 60kgf (588.4N), 100kgf (980.7N), 150kgf (1471N) |
| Indenter Specifications | Diamond Rockwell indenter, 1.5875mm tungsten carbide ball indenter |
| Test Force Application | Weight loading, automatic adjustment, automatic (loading/dwell/unloading) |
| Operation Mode | Automatic lifting and Resetting, one-touch completion |
| Display & Control | 8-inch high-definition color touchscreen display and control |
| Hardness Resolution | 0.1HR |
| Measuring Scales | HRA, HRD, HRC, HRFW, HRBW, HRGW, HRHW, HREW, HRKW, HRL, HRM, HRP, HRR, HRS, HRV HR15N, HR30N, HR45N, HR15TW, HR30TW, HR45TW, HR15W, HR30W, HR45W, HR15X, HR30X, HR45X, HR15Y, HR30Y, HR45Y |
| Conversion Scales | HV, HK, HRA, HRBW, HRC, HRD, HREW, HRFW, HRGW, HRKW, HR15N, HR30N, HR45N, HR15TW, HR30TW, HR45TW, HBS, HBW, HSD, HLD Real-time conversion, select-and-switch, multi-value conversion. |
| Data Statistics | Stores up to 100 data points per scale; automatic calculation of max, min, and average values. |
| Data Output | RS232 for printer output (TXT format), PC monitoring, software upgrade.Dedicated RS232 for connecting hardness testing software.USB 2.0 for saving test results to USB flash drive (CSV file). Automatic printout of test results after each measurement |
| Auxiliary Functions | Upper/lower limit setting, out-of-tolerance indication |
| Dwell Time | 0–99s; adjustable initial test force dwell time, total test force dwell time, and elastic recovery dwell time |
| Test Height | 300mm |
| Test Throat | 158mm |
| Power Supply | AC220V,50Hz |
| Standards Complied | GB/T 230,ISO 6508,ASTM E18,JIS Z2245 |
| Dimensions | 615×306×925mm |
| Net Weight | 83kg |
Standard Configuration
| Name | Qty | Name | Qty |
| Main Frame | 1 pc | Accessory Case | 1 pc |
| Diamond Rockwell Indenter | 1 pc | 1.5875mm Tungsten Carbide Ball Indenter | 1 pc |
| Φ150mm Flat Anvil | 1 pc | Φ74mm Flat Anvil | 1 pc |
| Φ40mm V-Anvil | 1 pc | Calibration Block 60–70 HRC | 1 pc |
| Calibration Block 20–30 HRC | 1 pc | 80~100 HRBW Calibration Block 80–100 HRBW | 1 pc |
| 70~85 HR30TW Calibration Block 70–85 HR30TW | 1 pc | 65~80 HR30N Calibration Block 65–80 HR30N | 1 pc |
| Leveling Screws | 4 pcs | Spirit Level | 1 pc |
| Power cord | 1 pc | 2A Fuse | 2 pcs |
| 3mm Hex Key | 1 pc | 7mm Open-end Wrench | 1 pc |
| Dust Cover | 1 pc | Instruction Manual | 1 pc |
| Certificate of Conformity | 1 pc | / | / |
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Last updated: 2026-05-06
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