DTM 150 / 200 - Digital RPM - TTO Tach-Hour Meter

Works on all gas engines (including newer fuel injected four cycle engines) Tracks total hours on motor, non-resettable Measures tach up to 20,000 RPM in real time Measure and records max RPM, resettable Spinning-arrow activity icon Adjustable settings for Fast/Slow updates, Hi/low spark sensitivity (for electrical noise suppression) 99,999 Hour Digital Display Spinning-arrow activity icon Peel-n-Stick or Bolt-on

TACH-HOUR METER: Engine is NOT Running: Accumulated Run Time (Hours) Engine IS Running: Current RPM Engine Recently Stopped: Max RPM Reset MAX RPM: Hold Button for More than 3 Seconds Reset MAX RPM: Engine Recently Started SETUP MODE: Press button to enter setup mode. >> 1: PPR Adjust (number of tach pulses per crankshaft revolution.) After the first button press, the PPR setting display appears. Press the button to scroll through (default 1.0, 2.0, or 0.5.) Release button and wait 4 seconds to continue. >> 2: Sensitivity Adjust (the sensitivity of sensor to tach pules.) Press button to select setting (default Hi, or Lo.) Release button and wait 4 seconds to continue. >> 3: Speed/filter option (smoothness of display update.) Select (default Slow 1sec updates, or Fast 1/2sec updates.) Release button and wait 4 seconds to finish setup mode.