... 3.Power:0.3W HM-1 This hour meter is mechanical type.Widely applied in each Kind of machine, equipment and ... machine, the equipment, the device accumulation operating time. It is mechanical type accumulation, the longest time for accumulation time can be ... ,999.99hDimension48 x 48 x 40mmNet Weight50gMountingInsert TypeDimensions: HM-1 Mechanical Hour Meter Counter