Sm8238 Rpm Tachometer

Measuring Range: 2.5 ~ 99, 999RPM Resolution: 0.01RPM(2.5 to 999.99RPM)0.01RPM(1, 000 to 9, 999.9RPM)1RPM(over 10, 000RPM) Accuracy: ± (0.05% + 1 digit) Response Time: >1, 000RPM, 0.2Seconds <1, 000RPM, 0.5SecondsMemory Function: Single-mode automatic memoryMaximum, minimum, the last measurement, continuous mode can record 18000 measuring values. Interface: MINI-USB interfaceMeasurable speed (m/min), with the accumulated date function. White backlight LCD. Compalt valuable body.