Extech 461891 - Manuals

461891 Ver. 1.9 7/02 2 Introduction Congratulations on your purchase of Extech’s Digital Tachometer. This professional meter, with proper care, will provide years of safe reliable service. Specifications General Specifications Circuit Custom one-chip LSI microprocessor circuit Time base Quartz cryst...

461891 Ver. 1.9 7/02 3 Front Panel Description 1 Shaft with cone adapter attached 2 LCD display 3 Measure button 4 Function select switch 5 Memory button 6 Funnel adapter attachment 7 Surface wheel adapter attachment Operation RPM Measurement a) Slide the Function Switch to the "RPM" positio...

461891 Ver. 1.9 7/02 4 Maintenance Battery Replacement : When the low battery indication appears ("LO" on the display), slide the battery cover off of the rear of the instrument, replace batteries with four 1.5V AA batteries and replace the cover. Remove the batteries if the instrument will ...