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HD-40 | 8 KiloHertz DuraSonde Transmitter

The HD-40 has been redesigned to be more durable. This 8 KiloHertz frequency DuraSonde transmitter is used to transmit in nonmetallic lines only. If you are locating around power lines this powerful highly efficient frequency will greatly reduce interference.

Replaces our HV-40 transmitter

  • Stainless steel head for durability
  • Encased in a strong polycarbonate tube
  • Non-metallic locating only
  • Water tight
  • Brass battery cap and 1 AAA alkaline battery included
  • For easy use with a push rod or sewer machine check out our Spring Carriers or Dropcap
  • Our Spring Carriers are recommended to help protect your transmitter
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