The LD-9 is our smaller of the 16 Hz line of durasonde transmitters. LD-9 has a new more durable design and stronger signal. If you are going to locate in ductile iron or steel pipes this transmitter will do the job. This transmitter will also work great in cast iron where there is a lot of electrical interference.

Replaces our SB-9

• Best used when locating in Steel or Ductile Iron
• Stainless Steel head for durability
• Encased in a strong polycarbonate tube
• Water tight
• Brass battery cap and 3 AAA alkaline batteries included