Water-Level Indicator is an Economical and Reliable Tool for Collecting Water Well Data
WLT 200'L Water-Level Indicators are lightweight and feature a 3⁄8"-dia. brass electrode that indicate water level by audio signal and a bright red LED on the reel. The Level is read off the numbered metal tags that are securely crimped to the cable at 5' intervals. Complete unit includes 9V battery, six oil bags and instructions.