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Vibration - Time - Overspeed
Vibration Switches: VS and EVS Series
Timers: Mechanical
ATHA-30-24-A (20700207) Alternator Signal Tachometer/Hourmeter
ATA-40 Alternator Signal Analog Tachometer
ATHA-40 (20700137) Alternator Signal Analog Tachometer/Hourmeter
ATHA-40-A (20700141) Alternator Signal Analog Tachometer/Hourmeter
ATHS-40 (20700142): Magnetic Sensor Analog Tachometer/Hourmeter
ATS-40 (20700227): Magnetic Sensor Analog Tachometer
MT90-1 (20700019): Digital Tachometer
MTH6-1 (20700158): Digital Tachometer and Hourmeter
SHD30 (20700196): Digital Tachometer and Hourmeter
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ATHA-30-12-A (20700183) Alternator Signal Tachometer/Hourmeter
ATHA-30(240).jpg The ATHA-30-12-A is a rugged, transistorized instrument with solid-state circuitry for indication of engine RPM. 3-27 pulses, 0-3000 RPM, 12 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.
Price: $159.50

 
 
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