What is Kokusai accuracy?
A random sampling of conventional “non-Kokusai” circular charts from another supplier revealed significant deviations from published specifications and, more important, significant accuracy variations from chart to chart. The graph below depicts two brands of charts, a Kokusai circular chart and two samples of other major supplier chart. The charts were checked for their average accuracy. The Kokusai charts were far superior in their max/min error deviation.
