Tachometer: 1.Fashion desion, 2.Large screen, 3.Contact tachmeter . CONTACT TACHOMETER Model: DT2235ASpecification:Display:5digits 18mm (0.6”) LCDAccuracy:±(0.05%+1digit)Sampling Time:0.5sec (over 120RPM)Range select:Auto-RangingMemory:Last value, Max. value and Min.& #118alueTime Base:6MHz Quartz crystalPower:4×1.5V AA battery or to connect DC6V regulated power supplyMeasuring Range: ...