| Code | Load control | Max. workpiece height | Max. testing width | Hardness scale | Total magnification |
|---|---|---|---|---|---|
| HDT-VH05 | automatic (load/dwell/unload) | 175mm | 135mm | HV0.3~HV5 | 100X (for measurement or observation), 200X (for measurement) |
| HDT-VH11 | automatic (load/dwell/unload) | 175mm | 135mm | HV0.3~HV10 | 100X (for measurement or observation), 200X (for measurement) |
| HDT-VH31 | automatic (load/dwell/unload) | 175mm | 135mm | HV1~HV30 | 100X (for measurement or observation), 200X (for measurement) |
| HDT-VH51 | automatic (load/dwell/unload) | 175mm | 135mm | HV1~HV50 | 100X (for measurement or observation), 200X (for measurement) |




