This is a self-contained, battery-operated sonde. It can be connected to a Flexrod for locating pipes and ducting using a Spring Carrier. It transmits on 512Hz. It can be normally located to a maximum depth of 47 feet.
The FD-40 is the largest in our 512 Hz line of DuraSonde transmitters. Now with a new more durable design it is ready to locate in deep cast iron and nonmetallic lines.
- Best used when mounted on a tractor camera
- Metal Endcap for durability
- Encased in a strong polycarbonate tube
- Brass battery cap and 4 C cell batteries included