Fisher XLT30-B Acoustic Leak Detector with Multi-Sensor & Digital Filters

Fisher XLT30-B Multi-Sensor Acoustic Leak Detection System

The Fisher XLT30-B is a professional acoustical leak detector designed for locating underground water leaks on hard and soft surfaces. This Option B configuration includes the Multi-Sensor and Hydrophonic Cylinder Probe, enabling both ground microphone and direct pipe contact detection in one system.

Advanced Digital Filtering & Leak Isolation

• All Pass filter: 60 Hz to 6 kHz frequency range
• Adjustable High, Low, and Band Pass filters (150 Hz – 2.4 kHz)
• Notch filter with adjustable center frequency rejection
• LCD bar graph with 2-digit numerical sound display
• High-performance 64-ohm headphones audio output

Multi-Sensor Versatility for Surface & Direct Contact Use

The Multi-Sensor is engineered for use on concrete, asphalt, tile, turf, and soft ground. Combined with the Hydrophonic Cylinder Probe and sound rods, the system enables direct pipe listening up to nearly 6 feet away. Adjustable filtering and peak hold functions help isolate leak signatures from traffic or mechanical interference.

Designed for Professional Utility Leak Detection

• Municipal water distribution systems
• Commercial and residential underground piping
• Utility maintenance and infrastructure repair