Technical data: 1. Zero excursions: ín0.1 2. Result excursion: ín0.1 3. Result error: ín0.5 4. Repeating error: ín0.1 5. Mirror reflecting error: ín0.1 6. Dimension of specimen: the diameter of specimen over 30mm or 19mm, thickness below 40mm 7. Power: ~220vía10%, 50hz, 0.3a 8. Ambient condition: temperature 0íµ~40íµ, humidity below 85% 9. Dimension and net weight: 345(l)mmíß260(w)mmíß425(h)mm, 16kg 11kg