Well sounder constructed using an open reel tape measure.

Remote Sensing, Free Full-Text

The WLM810 is a portable water level measuring instrument, commonly used to measure static water level in Groundwater wells or Boreholes. This

AWM INSTRUMENTS - WLM810 Portable Downhole Well Water Level Meter, Water Level Sounder - AWM Instruments water weather process control

Fast Rewind Open Long Tape Measures

Water Level Meters - Soil Instruments

Wholesale water level measuring tape For Precise And Easy-To-Read

600m Tape Well Depth Water Level Indicator with Alarm Geographic

TEKTON 100 ft. (30 m) Fiberglass Tape Measure 7230 - The Home Depot

White River Fly Shop® 40 Reel Tape Measure

Discharge Measurement