DT-6236B / ST-6236B Tachometer Fast and accurate RPM and surface speed measurements. 6236B contact Tachometer combines both contact and non-contact models for use in all applications. Features • Large 5 digit LCD display is easy to read. • Auto-ranging with 0.05% accuracy • Built-in memory recalls last Max/Min value stored • Non-contact measurement • Contact measurement Specifications • Display Counts: 99,999 counts LCD • Range RPM: 5 to 99,999 • M/min: 0.05 to 1999, 9 • Basic Accuracy: +/-0.05% +/-1d • Max RPM Resolution: 0.1RPM Size(HxWxD): 190mm x 72mm x 37mm Weight: 200g