This contact tachometer can automatically save Max， Min and last values， also save 96 sets of continuous data. The tachometer starts to store data after first reading.Features:Wide measuring range and high resolution.Large screen LCD display provides clear reading.Automatically save Max， Min and last values， also save 96 sets of continuous data.The tachometer starts to store data after first reading.Low battery voltage indication.Smooth housing design， comfortable to hold and use.Specifications:Color: BlackMaterial: PlasticDisplay: 5 Digits 18mm LCDAccuracy: ÷(0.05%+1 Digit)Sampling Time: 0.5 sec(over 120RPM)Range Select: Auto RangeMemory: Last Value， Max. Value， Min. ValueTest Base: 6MHz Quartz CrystalPower Consumption: Approx. 45mAMeasurement:CONTACT TACH: 0.5 to 19，999RPMSURFACE SPEED(m/min): 0.05 to 1，999.9(m/min)SURFACE SPEED(ft/min): 0.2 to 6，560ft/minResolution:CONTACT TACH: 0.1RPM(0.5 to 999.9RPM) 1RPM(over 1，000RPM)SURFACE SPEED: 0.01m/min(0.05 to 99.99m/min) 0.1m/min(over 100m/min)SURFACE SPEED: 0.1ft/min(0.1 to 999.9ft/min) 1ft/min(over 1，000ft/min)Power: 4 * 1.5V AA Batteries (not included)Item Size: 210 * 74 * 37mm / 8.3 * 2.9 * 1.45in (L * W * H) Item Weight: 168g / 5.92ozPackage Size: 25 * 12.5 * 7.5cm / 9.84 * 4.92 * 2.95in (L * W * H) Package Weight: 624g / 22.02ozPackage List:1 * Digital Tachometer1 * Storage Case2 * Screw1 * User Manual (English)"
