b-w technik

Low Cost Darkroom Techniques

Enlarger photometer details .....

Short Form Specification

 Sensitivity  Range x1  0.3 V/lx
   Range x10  3 V/lx
 Output Voltage  maximum  9.5 V
 Offset voltage  typically .05 mV  
 Dynamic Range  greater than 4 decades  
 Dimensions  62 x 90 x 15  mm

NOW AVAILABLE ON EBAY ref: 273685457926

For film testing, it comes complete with a calibrated test target,
white card and black card ,curve fitting software,
spreadsheets, connecting cable, sample data sheets and battery.
Approximate sensitivity data is provided for each unit.

The photometer is normally connected to a low cost 1999 display
digital multimeter which is not supplied.

View the full specification here.