Westmont Electronic Instruments Wholesale 768 Burr Oak Dr Design Technology manufactures diesel and gas hand-held instruments. We make the original Tiny-Tach and other small and economical tachometers. Westmont IL Electronic Instruments Wholesale Design Technology Inc www.tinytach.com Tiny-Tach gas tachometer hour meter tach gas sparkplug diesel tach commercial tach programmable total engine runtime service timer engine types jet ski Kohler Briggs Honda twin cylinder engine transducer max rpm Tiny-Tach gas tachometer hour meter tach gas sparkplug diesel tach commercial tach programmable total engine runtime service timer engine types jet ski Kohler Briggs Honda twin cylinder engine transducer max rpm Business Reviews Design Technology Inc Testimonials