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Vibration Switches: VS and EVS Series
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ATA-30-12 Alternator Signal Analog Tachometer
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MT90-1 Digital Tachometer
MT90-1(240).jpg The Murphy Selectronic® MT90-1 is a digital tachometer. Its high accuracy and dependability result from use of a quartz crystal time based and digital, solid state electronics.

Tachometer power is supplied by either a Murphy magnetic pickup, mounted at the flywheel ring-gear of an engine, or by a 12, 24, or 32 volt DC battery system.

RPM data is supplied by either a Murphy magnetic pickup or by the alternator in your battery charging circuit. The MT90 also has back-lighting for easy readings in low lit areas; this lighting requires a battery power source.

Sales Bulletin & Installation Instructions
Price: $233.75

 
 
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