It used on any 2 or 4 stroke gas engine up to 16 cylinders to record the RPM value, accumulate total working hours, remind maintenance schedule.
When engine shut off, total working hours will be displayed,viewable hours value for each working period;Start hours can be set for new meter replaced; Hours read up to 999,99 hours.
Record real-time RPM once detect the running engine signal,get more accurate RPM by engine firing patterns and measurement range; Maximum RPM recorded for last operation activity; RPM range: 0-25000RPM.
Green backlight can be lighten for night operation or shut down; Red backlight remind the maintenance schedule and exceed of RPM alert.