Perfotronic - The World's Only Optic-Electronic Perforation

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The PERFOtronic automatically measures by rounding up or down to the next 1/4 perforation shown in stamp catalogs. The processor of the unit is able to calculate around missing perforations or perforation mistakes.
-Measures the perf. value within a fraction of a second with the help of light sensors
-Nothing touches your stamp, therefore no damage possible
-Accurate to 1/100 mm
-Displays in 1/4 increments, i.e. 14.25,14.5, 14.75, 15, etc.
-Operates on an AC adapter with 12 Volt DC output (supplied)
-Use on regular or large stamps, coils and stamps with margins
-Maintenance free
-Size: 7-1/2"x 5-1/2" x 2-1/2" High