HM-2 Square Hour Meter/ Timer Voltage: AC110V, AC220V 50/60HZ Time ... 2 Hour MeterApplication HM-2 Type Mechanical sealed hour meter are widely used in industrial timing, applied in ... engineering machine, agriculture machinery, generator, air compressor, water pump, hoist, crane , Various types of automobile , and etc ... accuracy0.01InstallationEmbedded mountingDimension (mm) HM-2 Hour Meter