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Protoek

FD-40 | 512 Hertz DuraSonde Transmitter

FD-40 | 512 Hertz DuraSonde Transmitter

Regular price $1,185.00 USD
Regular price Sale price $1,185.00 USD
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Powerful Locator for Deep Cast Iron & Nonmetallic Lines

The FD-40 512 Hz DuraSonde Transmitter is Prototek’s most advanced and durable utility locating transmitter, offering a remarkable range of up to 47 feet in nonmetallic lines and 32 feet in cast iron pipes. Built for deep applications, it’s the ideal solution for utility and septic system projects requiring high performance and reliability.

More Information

Key Features

Exceptional Depth Range: With a range of 47 feet in nonmetallic and 32 feet in cast iron pipes, the FD-40 is built for deep utility locating, ensuring reliable results even in more challenging systems.

Receiver Compatibility: Operating at the 512 Hz frequency, the FD-40 is compatible with any 512 Hz receiver, including Prototek's LineFinder 2000, 2200, and Ferris Analog Receivers, ensuring precise locating.

Tough Build: Designed with a polycarbonate tube and stainless steel end cap, the FD-40 stands up to tough environments like construction sites and sewer systems.

Long Battery Life: Powered by 4 C-cell alkaline batteries, the FD-40 offers extended use for long projects. Clients can rely on consistent performance throughout the workday.

Spring Carrier Ready: The FD-40 is non-flushable, but adding a Spring Carrier ensures protection during deployment, preventing damage and increasing its lifespan.

Best For

Utility and Septic Contractors: Ideal for deep utility locating in both cast iron and nonmetallic lines, the FD-40 offers unmatched performance in challenging projects.

Municipal and Industrial Use: Perfect for large-scale infrastructure work, the FD-40 handles demanding environments with ease, offering the depth and accuracy needed for complex systems.

Heavy-Duty Locating Needs: With its extended range, the FD-40 is the best choice for projects that require precise locating in deep, dense soils or underground conditions.

Tech Specs

Frequency: 512 Hz (Industry standard)

Compatibility: Works with any 512 Hz receiver, including Prototek LineFinder 2000, 2200, and Ferris Analog Receivers

Range: Up to 47 feet in nonmetallic lines, 32 feet in cast iron lines

Line Size: Suitable for 6-inch lines and larger

Power Supply: 4 C-cell alkaline batteries

Build: Polycarbonate tube with stainless steel end cap

Spring Carrier: Recommended for protection

Battery Life: Long-lasting with 4 C-cell batteries, with spare battery options available


Advance your utility locating capabilities with the FD-40 512 Hz DuraSonde Transmitter. Built for deep applications, it delivers accurate, reliable results in demanding environments. Order now to equip your team with a top-performing locator.

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