Technical Parameter
- Zero excursions: ≤0.1
- Result excursion: ≤0.1
- Result error: ≤0.5
- Repeating error: ≤0.1
- Mirror reflecting error: ≤0.1
- Dimensions of specimen: the diameter of specimen over 30mm or 19mm, thickness below 40mm
- Power: 220V±10%, 50Hz, 0.3A
- Ambient condition: temperature 0℃~40℃, humidity below 85%