• Selectable overspeed, underspeed (Class-C) and hours trip
  • Both signal and power may be derived from magnetic pickup.
  • High accuracy: 5-digit display, 1 rpm resolution,100,000 hour range.
  • Field configurable with front keypad for any number of pulses per revolution, trip point value, and for preset / reset hours.
  • Displays speed, hours, and setpoints on separate screen
  • Displays Alarm Log history
  • Fast overspeed reaction time of 100 msec
  • Backlit display when DC powered
  • Standard SAE case size fits engine panels with 3-3/8″ openings.
  • High shock and vibration resistance. Gasketed and spray proof.
  • Highly resistant to electrical noise

The MTH-103E is a newer version of the MTH-103D. The function, package size and wiring are the same although the MTH-103E has a keypad that replaces the old push button, making programming easier and quicker. This product features a  5- digit tachometer, hourmeter, and trip. The trip can be programmed to activate on overspeed, underspeed (Class C), or hours. It may be magnetic pickup or DC-powered. CSA-approved Class I, Division 2, Groups A, B, C, and D. When powered by an approved pickup, it is approved Class I, Division 1, Groups A, B, C and D.


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