Densitometer Sensitometer Wellhöfer Duolight

WELLHOFER Duolight Sensitometer Densitometer,

Doppelfunktionsinstrument für die Konstanzprüfung in der Röntgenfilmverarbeitung oder ähnlichen Anwendungen
Mikroprozessorgesteuert mit digitaler Anzeige aller Parameter und Speicher für Prozesse

power supply...................4 AA - Alkaline Batteries
or  with included Special  Power Supply for input 230 VAC Mains

SPECIFICATIONS SENSITOMETER

colour....................................................................blue --- green selectable
peak wavelength................................................blue = 460 nm........green = 510 nm ..... both ( +/- 10 nm )
light exposition.................................................. in 5 steps selectable ( separate for each colour )
reproduce accuracy.......................................... +/- 0.02 log exposure
long time stability................................................ +/- 0.02 log exposure
calibration............................................................. +/- 0.04 log exposure
grayscale.............................................................. 21 - steps ..............0.15 log light exposure
accuracy of steps................................................ 0.05 %
homogenity........................................................... +/- 0.01 log exposure

SPECIFICATIONS DENSITOMETER

visual optical density.......................................... followg. DIN 4512 / ANSI PH 2.19 - 1976.........internal light source
focus opening......................................................  3 mm
measuring range.................................................  from  D = 0 to D = 5.0
accuracy and reproduceability......................... 0.02 D

instrument is in unused excellent cosmetic condition and 100 % functional tested
comes  D = 2.90 ( nominal )  Standard Calibration Film