Measuring way | Fisso interference principle |
CAL | 25mm |
Ratio | 1-5 times |
Laser source | He-Ne laser (λ = 632.8nm) |
Resolution of the | 795H*596V |
Accuracy of plane test | PV λ/20, RMS λ/100 |
Spherical surface accuracy | PV λ/10, RMS λ/50 |
Power supply | AC 220V 50HZ |
Standard accessories | Ordinary display |