Photoelectric Autocollimators
Dual-axis ELCOMAT 3000 Electronic Autocollimator
System Specifications
Range: ± 1000 arc sec (~ ± 4.8 mrad)
Accuracy:
Within 20 arc sec: ± 0.10 arc sec (~ ± 0.48 µrad)
Total range: ± 0.25 arc sec (~ ± 1.21 µrad)
Resolution: 0.005 arc sec (~ 0.024 µrad)
Reproducibility: 0.05 arc sec (~ 0.24 µrad)
Source: Laser diode 660 nm
Beam Dimension: Dia. 32 mm
Dual-axis Micro-Controle LAE500-H Electronic Autocollimator
System Specifications
Range: ± 2 mrad
Accuracy: ± (1 + 2% of displayed value) µrad
Resolution: 0.1 µrad
Source: Laser diode 670 nm
Beam Dimension: Dia. 31 mm
Divergence: < 0.1 mrad
This instrument is adapted for non-contact measurement of concentricity error of rotary systems and sphere of confusion (SOC) of diffractometers.
Work Distance: 200, 300 or 400 mm
Reference Element: Dia. 20 mm tungsten carbide sphere