720 LOCATOR OVERVIEW
The Goldak 720 is a rugged, portable electronic instrument designed for
the specific purpose of pinpointing the location of valves, water
meters, manhole covers and or metallic fittings.
A sealed 11 inch detection head contains precision-wound magnetic wire
loops to provide maximum sensitivity to buried and covered metallic
An economical version of the model 720 is available Model 820-S Valve
Locator (Does not have telescoping handle or indicating meter).