Rotary Rotary 15344 Archer Digital Engine Tachometer for Echo

Archer Digital Engine Tachometer by Rotary About this item Similar to PET-1000R & Echo 99051130017 Measures RPM from 100 to 19,000 with +/- 10 RPM accuracy level. 0.5 second refresh rate Different settings to measure RPM on 2 stroke and 4 stroke engines Can be used wireless (pulse activation) or wired by using clip on lead provided See more product details