The Model TW-6 "Two-Box" metal detector finds underground pipes, cables, manhole covers, vaults, valve boxes and other metallic objects. Like earlier models, the TW-6 is used primarily by water departments, telephone companies, power companies, gas companies and petroleum pipeline companies when making repairs and rearranging lines. The TW-6 shows where to dig, as well as where NOT to dig, an important consideration when working near gas lines. To increase the instrument's sensitivity, Fisher engineers removed all unnecessary metallic parts on the TW-6, replacing them with durable ABS molded plastic. Newly designed coil windings, completely upgraded electronics and nonmetallic parts have boosted the tracing distance of the TW-6 by 50-100 percent. With the TW-6 longer tracing distances, which used to require expensive high-powered fault locator/tracers, can now be accomplished economically. In the Fisher tradition, the TW-6 is affordable, tough, and simple to use while providing maximum performance. A two year limited warranty comes standard with the unit.
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