5 digits 18mm (0.6") LCD Accuracy: +-(0.05%+1 digit) Sampling Time: 0.5sec(over 120RPM) Range Select: Auto-Ranging

PHOTO TACHOMETER(LASER)MODEL: DT2234A

5 digits 18mm (0.6") LCDAccuracy: ±(0.05%+1 digit)Sampling Time: 0.5sec(over 120RPM)Range Select: Auto-RangingMemory: Max. value, Min. value, Last valueMeasuring Range: 2.5~99,999RPMResolution: 0.1RPM(2.5~999.9RPM)1RPM(over 1,000RPM)Detecting Distance: 50~500mmBattery: 3x1.5V AA battery(DT2234A)3x1.5V AAA battery(DT2234C)Time Base: 6MHz Quartz crystalTime Base Accuracy: 10x10-6(0~50°C)Power Consumption: Approx 40mADimension: 160Lx72Wx37H(mm)(DT2234A)184Lx76Wx30H(mm)(DT2234C)