Ground Microphone for Leak Detection: Precisely Detect Water Losses.
What is a floor microphone, and why is it indispensable?
A ground microphone is a highly sensitive acoustic measuring device specifically employed for leak detection in potable water networks. It detects the characteristic sounds of water escaping into the ground – often long before visible damage becomes apparent on the surface. This method is considered one of the most efficient and reliable procedures for early identification and targeted remediation of leaks.
How does leak detection work with a ground microphone?
A water leak under pressure generates typical sounds – usually a rushing, whistling, or cracking noise. These sound waves propagate through the pipe system and the surrounding ground.
Ground microphones detect these sounds with the highest sensitivity, filter out disruptive ambient noise, and enable precise localization of the leak point. This allows the damaged area to be efficiently located without unnecessary excavation.
Components of a ground microphone:
- Sensor / Microphone Head – for ground contact
- Amplifier and Analysis Unit – visually displays signal strength
- Headphones – for detailed acoustic analysis
- Optional: Bluetooth Connection & App – for Modern Workflows
Applications of a ground microphone
The ground microphone is deployed when a potential water damage has already been narrowed down to a specific area – for instance, with the aid of correlators, modern sensor technology such as SmartEAR®, or cloud-based systems like POSEYEDON®. Typical application areas include:
- House Connections and Street Valves
- Paved roads and sidewalks
- Urban areas with high network density
- Plastic and Metal Pipes
HL 7000 – The Professional Floor Microphone for Demanding Leak Detection
The HL 7000 is a powerful, high-end device for precise acoustic leak detection. Engineered for demanding operational conditions, it combines state-of-the-art microphone technology with intelligent filtering functions to deliver reliable results even under challenging circumstances.
- Maximum sensitivity—detects even the faintest leak sounds
- Intuitive touch controls—with a clear visual display for easy operation
- Smart filter functions—with customizable frequency ranges and effective noise cancellation
- Long-lasting battery power—for reliable use throughout the entire workday
Advantages of Leak Detection Using a Ground Microphone
- Fast, Precise Leak Detection
- No excavation necessary
- Time- and cost-saving
- High success rate—even with small leaks
- Ideal for use in combination with digital early-warning systems such as SmartEAR® and POSEYEDON®
What to Look for When Making a Purchase
Anyone looking to buy a ground microphone should pay particular attention to its sensitivity and frequency response, as these are crucial for detecting even faint leak sounds. In addition, digital filters play an important role in effectively blocking out disruptive ambient noise, such as traffic noise. A robust, weatherproof design is equally important to ensure the device can withstand the daily demands of outdoor use. Finally, the ground microphone should be easy to transport and comfortable to use to enable efficient and ergonomic operation.
Conclusion: Ground microphones are indispensable for detecting leaks in drinking water systems
Solutions Tailored to Your Drinking Water Network
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Our experts can assist you in selecting the appropriate leak detection device – whether it's the HL 50-BT or HL 7000. Contact us today!
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