Developed for Tachometer rebuilders, this postage-stamp size PC-Board module replaces the old electronics in vintage VDO (as well as many other) tachometers. Especially useful for replacing failed electronics, converting Tachometers for different engine cylinder counts, or re-purposing a Tach with a new face and expanded display range. For example, converting a 4-cyl, 7K rpm Tach to a 6-cyl 10K rpm Tach.
This module accepts high level (~150V) signals from traditional points/coil ignition as well as discrete low-level (5 – 14V) engine speed signals from modern engine management systems. The unit outputs a linear rpm/voltage that can be scaled to drive various analog meter movements commonly found in most tachometers. (This unit is not for stepper-motor movements.)
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