Fisher Research Laboratory - TW-770 Digital Line Tracer

The TW-770 reduces pipe and cable tracing to a simple, almost effortless procedure. Only one knob turns it on and adjusts the volume. That's it. Just one button to press for a digital readout of depth in inches or centimeters. It's so simple to learn, operator training is greatly reduced.

As the operator walks the suspected line of the underground pipe or cable, swinging the receiver left and right, a continuous display of signal strength is shown both as a digital percentage and in bar-graph form on the receiver control panel.

In addition, arrows point the operator left and right, and indicate when the operator is over the target. The audio signal gives a pulsating sound on the left and continuous on the right. There is a peaksound over the line and the display reads OVER TARGET. A push of a button gives a depth reading.

Accessories;

The complete TW-770 instrument set includes a hard shell carrying case, or soft padded case, transmitter, receiver and ground plate/ground rod assembly. The coupling clamp and headphones are accessories and fit into the TW-770 case.

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