Specifications
| Measurement range | D=0.00~4.50 |
| Measurement area | φ 2mm (light hole diameter) |
| Repeatability Error | ±0.03D |
| Measurement error | (0.00D~3.00D)±0.03D；(3.00D~4.00D)±0.05D； (4.00D~4.50D)±0.08D |
| Display mode | Three-position LED digital display |
| Power Supply | AC220V±10% 50HZ |
| power consumption | ≤7W |
| Environmental temperature | 0~40℃ |
| Environmental humidity | Relative Humidity ≤ 85% |
| Dimensions | 330*110*116mm |
| Weight | 1.7Kg |
Packing list
host x1, certificate x1, manual x1
After-sales instructions
Warranty days: 365 days
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/5756/Specification.html , which is only used by users who purchase commodities from the NBCHAO.