UMA 3 1/8" Electronic Analog Tachometer
2-1/4" and 3-1/8" Sizes Available
Made by UMA. The 3 1/8" version includes a built-in hour meter Both units are complete with a sender that attaches to the mechanical drive on Lycoming engines, with a 6’ wiring harness. This may be incompatible with some vacuum pumps, or oil filter adapters.