3M Dynatel 2250 Advanced Cable Locator

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The 3M Dynatel 2250 advanced cable locator determines the path and depth of underground pipes and cables, utilizing four active trace frequencies to compensate for variable field conditions. 3M Dynatel 2250 cable locators operate over a passive frequency for power, cathodic protection, CATV, and auxiliary frequencies for locating via remote transmitters. The 2250 also provides aerial cable toning, active duct probe direct readout and cable & pairing identification. Receiver units integrate an expander function in order to pronounce peaks and nulls, an effect accomplished by increasing the amplitude difference between two conductors with the same tone. Receiver and transmitter perform a self-test routine each time the unit is switched on.