FD Series - 512 Hertz

Screen Shot 2022-02-02 at 1.04.25 AM.png

With its new and more durable and compact design the FD-10 is perfect for locating in lines as small as 2 inches. The FD-10 transmits using the industry standard 512 Hz frequency for locating in cast iron and nonmetallic lines.

  • Stainless Steel head for durability
  • Encased in a strong polycarbonate tube
  • Watertight
  • Brass battery cap and 2 N cell batteries included
  • Dropcap available for use with 1/4″ pushrods (sold separately)
  • Our Spring Carriers are recommended to help protect your transmitter
Screen Shot 2022-02-02 at 1.08.53 AM.png

The FD-20 is the most popular transmitter in our 512 Hz line for locating in cast iron and nonmetallic lines. And now with its new more durable design the FD-20 is ready to transmit even in the toughest terrain.

Replaces our FV-20 transmitter

  • Steel head for durability

  • Encased in a strong polycarbonate tube.

  • Watertight

  • Brass battery cap and 1 AAA alkaline battery included

  • Will work with any receiver that uses the 512 Hz frequency. For best results use one of our LineFinders

  • Our Spring Carriers are recommended to help protect your transmitter
Screen Shot 2022-02-02 at 1.11.19 AM.png

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.

Replaces our FV-40 transmitter

  • Best used when mounted on a tractor camera
  • Metal Endcap for durability
  • Encased in a strong polycarbonate tube
  • Watertight
  • Brass battery cap and 4 C cell batteries included