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Sonde FD-40 (40ft depth,1.5"W)

Sonde FD-40 (40ft depth,1.5"W)


Standard Sonde for locating out empty duct
Measures: 1.5" x 10.25"
Frequency: 512kHz
Depth Range: 32 feet in cast iron | 47 feet in nonmetallic
Battery type: 4 x C alkaline battery
Connect to a Flexrod using a Spring Carrier

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
  • Watertight
  • Brass battery cap and 4 C cell batteries included
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