what measures water
Coaxial Water Level Meter: A water level meter used to measure the water. level in a well through a coaxial wire (marked in color-coded increments) that. emits a sound when water is detected. Flat-Tape Water Level Meter: A water level meter used to measure the. water level in a well through a flat tape (marked in engineering, standard, or. metric scale) that emits a sound when water is detected. Measuring Tube: A 3/4-inch PVC tube (see page 17) inserted into the well to.