The FD-40 is the largest in the 512 Hz line of DuraSonde transmitters. 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

Specifications

• Frequency: 512 Hz
• Dimensions: 1-1/2” W x 10-1/4” L
• Weight: 2 lbs (with batteries)
• Line size: 6 inches and up
• Range: 30 +/- feet in cast iron | 45 +/- feet in nonmetallic
• Signal tone: Continuous
• Battery: 4 C cell alkaline batteries
• Receiver Type: Any receiver that has 512 Hz sonde frequency
• Best Use: Attached to a tractor camera