PACKAGE CONTENT INCLUDE---- 2 pieces HM012 orange product and its accessories, 1 large box contains 2 individually wrapped products, Contains tachometer, hour meter, service timers function.
TACH/HOUR METER----It contains 2 kinds of simple functions for gas engine: TOT Hours and Real-time RPM Value.
TOT Hours(TOT)----Help to track how many hours are the engine working;Display the total running hours when engine is off;TOT hours are non-resettable; Timing range:0-999.99 hours,0.1 hour accuracy.
TACHOMETER(RPM)----Record the real-time RPM value when engine is on, help to adjust engine idle;Suitable for engine firing pattern 1P1R, which can be used on gas engine type 4 stroke 2 cylinder and 2 stroke 1 cylinder;RPM measurement range 0-30600RPM, 10RPM accuracy.
INTALLATION&OPERATION--- Easy to install by connect it with engine spark plug, once detect the signal,device will be worked normally; Worked by bulit-in battery CR2032;Waterproof rate: IP68; CE RoHS certification.