Display: LCDContact tach: 2.5 to 99,999 RPM(Photo)0.5 to 19999(Contact)Surface speed: 0.05 ~ 1,999.9m/minResolution: 1 RPM (over 1,0000 RPM)0.1RPM(2.5 to 9999 RPM)Accuracy: ±(0.05%n + 1RPM)Memory: Max. / Min. / Last value

EM2236 Tachometer