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| ATHA-30-24-A (20700207) Alternator Signal Tachometer/Hourmeter |
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The ATHA-30-24-A is a rugged, transistorized instrument with solid-state circuitry for indication of engine RPM. 3-27 pulses, 0-3000 RPM, 24 VDC, alternator signal tachometer/hourmeter, with a black stainless steel bezel. It is equipped with a bracket for mounting into a standard 3-3/8 in. dash mounting hole.
A full 270° sweep of the pointer gives an accurate indication on a large easy-to-read scale and the dial can be illuminated for night reading. This model is also equipped with hourmeter to record the elapsed running time of an engine.
This model is designed to function from pulses generated by an alternator with 4, 8, 12, 14, or 16 poles on the rotor.
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