Coaxial Cable Model
Accurate, reliable, and easy to use. Selectable audible buzzer or visual ultra-bright LED indication. Thin probe sensor and segmented bronze weights afford easy access even through a 1/2" bolt hole. Variable sensitivity switch for signal accuracy in differing water and well conditions. Strong lightweight coaxial cable 1/10" diameter. Color-coded footage markers every 5'. Probe is highly sensitive within a fraction of an inch, yet unaffected by cascading water. Completely self-contained, no external power or ground required. Uses one 9V battery.