T&D World Magazine

3M Introduces Next-Generation Underground Cable, Fault and Electronic RFID Marker Locators

3M has introduced the 3M Dynatel Locators 2500 Series. The 2500 series not only encompasses the best of 3M Dynatel locating technology, but also provides more active and passive frequencies, higher power and a new trace view mode. This new mode presents an intuitive map display showing the utility path combined with a precision peak antenna based array to provide the utmost confidence in utility location. All 2500 Series locators are compatible with select GPS/GIS field mapping instruments for real time mapping of electronic markers or pipe and cable facilities.

The 3M Dynatel 2500 Series has six active frequencies (577 Hz, 1 kHz, 8 kHz, 33 kHz, 82 kHz and 200 kHz), which can be used individually or four frequencies simultaneously (577 Hz, 8 kHz, 33 kHz and 200 kHz) to compensate for varying field conditions. There are four induction frequencies (8 kHz, 33 kHz, 82 kHz and 200 kHz) and the transmitter offers both a normal and high output level for distance locating or other challenging locate situations.

The 2500 Series locators are standard with a higher powered 12 W transmitter that provides the maximum allowed output power when inducing a signal or direct connecting onto utility lines. The higher powered transmitter enables deep depth and extended long distance locates.

The 2500 Series receiver provides the familiar bar graph, signal strength and direction indication to the cable, which helps the operator distinguish the target cable in congested areas. As with all Dynatel Locators, the 2500 series provides cable or Sonde depth measurements, giving a digital readout in feet and inches, or centimeters (user selectable).

Lightweight, compact and well-balanced, the 2550-ID and 2573-ID version have the added capability of locating all conventional passive electronic markers as well as the ability to write, read and lock programmed information into 3M RFID electronic markers.

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