MT90 digital tachometer
The Murphy Selectronic MT90 digital tachometer offers high accuracy and dependability resulting from use of a quartz crystal time-base 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 tachometer also has backlighting for easy readings in low-lit areas.
The MT90 is calibrated to engine RPM by setting a series of calibration rotary switches on the back of the tachometer.
Typical applications include: generators, compressors, industrial engines, oil field equipment, marine vessels, vehicles, farm equipment and construction equipment.
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