| Code | Resolution | Load control | Max. workpiece height | Max. testing width | Hardness scale |
|---|---|---|---|---|---|
| HDT-MD151 | 0.1HR | automatic (load/dwell/unload) | 170mm | 128mm | HRA, HRB, HRC, HRD, HRF, HRG |


According to ISO 6508
Convert to other Rockwell scales, HV or HB
Capable of setting tolerances and evaluating test results
Supports 2–10 selectable repeated measurements, with automatic calculation and display of average and range
Stores up to 500 test results
Correction of measurement results based on calibration
Automatic power off
Keyboard signals can be output via a USB cable
| Code | Resolution | Load control | Max. workpiece height | Max. testing width | Hardness scale |
|---|---|---|---|---|---|
| HDT-MD151 | 0.1HR | automatic (load/dwell/unload) | 170mm | 128mm | HRA, HRB, HRC, HRD, HRF, HRG |
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