Fisher Labs XLT-100 Leak Detector

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• 2-year manufacturer warranty
• Made in the USA 🇺🇸

XLT-100 Contact Microphone

Compact listening device for water leak detection and water leak surveys.

Features:

• 8 Filter Bands
• 50 and 60Hz notch filtering
• High Quality Headphones
• Numeric Display
• Robust, Light Weight and portable design
• Includes protective hard case
• Backlight

Uses:

• Perform simple and quick water leak surveys on distribution systems using available access points like meters, hydrants and valves
• Detect leaks in plumbing and air systems

The Fisher XLT-100 is a compact acoustic leak detector designed for utility professionals who need a precise, easy-to-use solution for locating underground water line leaks. Ideal for municipal crews, plumbers, and field technicians, the XLT-100 offers intuitive controls and real-time audio feedback, making leak detection more accurate and less time-consuming.

Engineered for performance, the XLT-100 uses a sensitive contact transducer to amplify vibration and sound levels from pipe walls and fittings. It features a digital display that reads signal strength from 0 to 99, eight customizable frequency filters (boost and reject), and three notch filter settings for 50Hz or 60Hz power line noise rejection. With selectable volume, mute function, and automatic shutoff, users can easily fine-tune detection based on their environment—all while reducing ear fatigue and false signals.

Built with rugged field use in mind, the XLT-100 is lightweight and includes a padded housing for a comfortable grip. It runs on two AA batteries for up to 15 hours and includes interchangeable probe extensions for added reach in grass or difficult terrain. A backlit LCD ensures visibility in all lighting conditions, while its simple plug-and-play interface minimizes training time and maximizes uptime in the field.

Specifications

• Manufacturer: First Texas Products, LLC
• Brand Name: Fisher Research Labs
• Country of Origin: USA
• Extension Rods: Two 13-inch extension rods included for enhanced reach
• Battery Type: 2 AA batteries
• Battery Life: 12–15 hours (alkaline recommended)
• Battery Replacement: Foam inserts may prevent sliding; gently tap to dislodge batteries
• Automatic Power-Off: Device shuts off after 5 minutes of mute mode
• LCD Display: Shows vibration level, volume, filter, notch, battery status, and mute state
• Filter Options: 8 filters with boost/cut at 500 Hz, 1000 Hz, 2000 Hz, and 4000 Hz
• Default Filter: 40 Hz to 8 kHz (all-pass)
• Notch Filter Options: Selectable 50 Hz, 60 Hz, or off
• Volume Adjustment: Range from 0 (mute) to 99 (max volume)
• UPC: 089723777109
• Backlight: Adjustable LCD illumination