1.New ADP9000/APT8000/ADP9000L,with its unique design,a full range of functions,
       covering the needs of all users.

    2.The product,with 22 species of units selection,can input 5-digit special unit,
       matching with differential pressure,pressure,flow measurements.

    3.The display with backlight is user-friendly for day and night operations,which can be
       rotated 180  direction and increase installation flexibility.Low-power,high precision.