S/D Combination: Duolight - The ideal measuring instrument for Quality Assurance in Film Processing is defined in IEC 61223-2-1 and DIN 6868-2 resp. DIN V 6868-55 (German standards).
The Duolight is a dual device which combines the Unilight S and Unilight D in one unit.
The Duolight is available in the following versions:
Duolight Sensitometer / Densitometer
The combined device Duolight features the following characteristics:
- long lasting stability and reproducibility
- microprocessor-controlled exposure
- no warm up period necessary
- automatic zeroing
- automatic calibration
- high accuracy
- measuring values as indicated in a LCD display
- selectable blue or green light colour
(acoustic and optic control of the selected light colour) - standard 21-step wedge
- easy handling
Duolight A Sensitometer / Densitometer
identical to Duolight, but additionally equipped with
- motorized measuring section for auto-reading
- RS 232 interface for online transfer of measured data
to an IBM compatible computer
DUOLIGHT AS Sensitometer / Densitometer
Technical specifications see Duolight, but aditionally equipped
with precision step wedge, calibrated according to DIN V 6868-55
(German standard)
DUOLIGHT AS A Sensitometer / Densitometer
Technical specifications see Duolight, but aditionally equipped with
- precision step wedge, calibrated according to DIN V 6868-55 (German standard)
- motorized measuring section for auto-reading
- RS 232 interface for online transfer of measured data to an IBM compatible computer.


