HM-2 Square Hour Meter/ Timer Voltage: AC110V, AC220V 50/60HZ Time range:0-99999.99 Hours New stucture ,high precision HM-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. the features are new ...