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**LOOK - NEW DIGITAL CONTACT TACHOMETER** Display: 5 digits 18mm (0.6”) LCD Accuracy: ±(0.05%+1digit） Sampling Time: 0.5sec (over 120RPM) Memory: Last value, Max. value and Min. value Measuring Range: CONTACT TACH: 0.5 to 19,999RPM SURPFACE SPEED (m/min): 0.05 to 1,999.9m/min SURPFACE SPEED (ft/min): 0.2 to 6560ft/min Resolution: 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) SURPFACE SPEED (ft/min): 0.1ft/min (0.1 to 999.9ft/min) 1ft/min (over 1,000ft/min) Time Base: 6MHz Quartz crystal Power consumption: Approx. 45mA Power: 4×1.5V AA battery (NOT INCLUDE) or to connect DC6V regulated power supply ***Good item with good price, why don't try??? We are also welcome to do a wholesales business. |