Digital tachometer Frank W Murphy

MT90 Digital Tachometer by Murphy SELECTRONIC®
The Murphy SELECTRONIC® MT90 is a digital tachometer. Its high accuracy and dependability result from use of a quartz crystal time based and digital, solid-state electronics. The MT90 also has back-lighting for easy readings in low lit areas; this lighting requires a battery power source.

Features:
- ±1 RPM accuracy
- Easy calibration
- Clear-read LCD display
- Backlight for night viewing (battery powered models)
- Input source can be a magnetic pickup or engine charge alternator
- Power supplied by magnetic pickup or 12, 24, or 32 VDC battery system

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