5 digits 18mm (0.6) LCD Sampling Time: 0.5sec(over 120RPM) Range Select: Auto-Ranging Test Base: 6MHz Quartz crystal

5 digits 18mm (0.6") LCDAccuracy: ±(0.05%+1 digit)Sampling Time: 0.5sec(over 120RPM)Range Select: Auto-RangingTest Base: 6MHz Quartz crystalBattery: 3x1.5V AAA batteryDetecting Distance: 50~500mmPower Consumption: Approx 45mAMeasuring Range:Photo Tach: 2.5~99,999RPMContact Tach: 0.5~19,999RPMSurface Speed: 0.05~1,999.9(m/min)Resolution: Photo Tach: 0.01RPM(2.5~999.99RPM) 0.1RPM(1,000~9,999.9RPM) 1RPM(over 10,000RPM) Contact Tach: 0.01RPM(0.5~999.99RPM) 0.1RPM(1,000~9,999.9RPM) 1RPM(over 10,000RPM) Surface Speed: 0.01m/min(0.05~99.99m/min)0.1m/min(over 100m/min)

DT2236B Photo/Contact Tachometer