... and return timerl Sealed to IP65. Parameters: Voltmeter, frequency meter, Ammeter, output(kw/kva), hourmeter, oil ... pressure, water temperature, Engine speed, mains frequency, battery voltage, fuel level.Protection:1) 3 phase ... frequency, Over-/under voltage, Voltage asymmetry.3) Analog oil pressure, water temperature, fuel level, battery voltage, engine speed. intelligent generator controller ...