Display: 5digits 18mm(0.6") Yellow green backlight LCD Accuracy: ±(0.05%+1 digit)Sampling Time: 0.5 sec(over 120RPM)Range Select: Auto - RangingMemory: Last value,Max. Value,Min.valueCan store 96s data Time 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(m/min) 0.01m/min(0.05 to 99.99m/min) 0.1m/min(over 100m/min)Surface speed(ft/min) 0.1ft/min(0.1 to 999.9m/min) 1ft/min(over 1,000ft/min)Power: 4X1.5V AA Size Battery or to external DC 6V Regulated power supply
DT6235B Contact Tachometer