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  Focus tester  FDH-500




* Electronic collimator of 500 mm.
* Collimator lens scan measurement
* Measures focal point of a lens
Specifications
Measurement Subject Until about f=50mm lenses
Collimator lens f=500mm
Measuring item Focal point of a lens, Contrast
Indication VB gap,Contrast,Judgment lamp
Chart Ring chart
Switches of sensitivity 10 ranges
Measuring wavelength 583nm±20nm
Mesuring accuracy Resolution: Movement of collimator lens about 0.2mm VB(f=50mm) about 2µm Accuracy: Depends on lens to be checked Temperature:+10ºC-40ºC Humidity :below 85%
Environment for use Temperature 5ºC-45ºC Humidity below 85%
Data Output RS232C,Centronics
Power supply AC100-120,200-240V,±10V,50/60HZ
Power consumption about 150VA
Dimensions&Weight 300(W)x342(H)x1050(D) 47kg
External control RS232C
Others