Progressive Electronics 521 Underground Wire & Valve Locator System used 4350: 1/2" to 3/4"

4350: 1/2" to 3/4"

and Tom Sawyer

With capacity for four source inputs

Accuracy of +/- 4% meets or exceeds ASME B107

Progressive Electronics 521 Underground Wire & Valve Locator System used 4350: 1/2" to 3/4"Adjustable transmit power allows selection of the best signal for maximum performance. High power output offers extended range and use on higher resistance wire paths other locators can't touch. The 521's receiver provides both audible and visual indications of signal strength that make locating valves, wire breaks and nicked insulation faults a breeze. Pistol style design of the receiver makes it easy to quickly locate even the longest wire path