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  5. DuraSonde - Model FD-20 - 512 Hertz - ...

DuraSonde - Model FD-20 - 512 Hertz -Transmitter

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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
  • Frequency: 512 Hz
  • Dimensions: 3/4” W x 4” L
  • Line size: 3 inches and up
  • Range: 14 feet in cast iron | 20 feet in nonmetallic
  • Range is determined under best conditions using a Prototek Receiver
  • Signal tone: Continuous
  • Battery: 1 AAA alkaline battery
  • Weight     1 lbs
  • Dimensions  5 × 2 × 2 in