H7BX Multifunction Counters Omron H7BX Multifunction Counters are designed with a backlit transmissive LCD to provide a highly visible display. These counters feature selectable display color, wide range of acceptable inputs, and six operating modes. The H7BX counters can perform all basic settings with a DIP switch including total and preset counter, batch counter, dual counter, and tachometer. These counters have IP54 protection rating and an operating voltage range of 85% to 110% of rated supply voltage.