Fisher XLT-30 Acoustic Leak Detector
detecting leaks in underground pipelines and utilities.
The Fisher XLT-30 acoustic leak detector is a powerful tool designed for accurate leak detection in underground pipelines and other utilities. The XLT-30 combines ultra-sensitive sound microphones with a distortion-free amplification system, delivering clear audio feedback via high-quality headphones. It offers advanced filtering options, including all-pass, low-pass, high-pass, and band-pass filters, allowing users to effectively isolate and identify leak sounds across various frequency ranges. The XLT-30 is available with multiple sensor configurations, such as the Big Foot ground microphone, Multi-Sensor, or Little Foot, each designed to handle different ground conditions, from hard concrete to soft grass.
Thanks to its splash-proof design and long battery life of approximately 50 hours (when using two 9-volt batteries), the XLT-30 is durable and reliable in challenging environments. The intuitive control panel features volume control, notch filtering to eliminate ambient noise interference, and real-time battery level indication. The instrument is lightweight and portable, with various accessories such as sound rods, carrying straps, and a T-handle for versatile applications.
The XLT-30 sets a new standard for professional leak detection and offers superior performance for detecting leaks in a wide range of conditions.
Leak detector features
4 filters, 50 and 60Hz notch filter, full-featured professional isolated headphone numerical display, robust, lightweight, and portable design, includes robust transport case and 2x extension rods, display illumination

