SCANDITRONIX WELLHOFER Darklight Duo Sensitometer Densitometer X-Ray Constancy

one dual function SENSITOMETER and DENSITOMETER

Manuf: IBA- Scanditronix / Wellhöfer

Model: darklight duo

Description:

combined dual function instrument for the constancy tests in X-Ray film processing or other similar applications
microprocessor - controlled with digital display of all parameters and memory for processes

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
comes with german manual