ZoneScan 820

Correlating Leak Loggers

Network Monitoring

Maximizing performance, this robust logger tracks noise levels and sound frequency over time. By filtering out non-leak noises, it ensures accurate leak detection and pinpoints locations using correlation techniques between loggers.

FEATURES

There are three standard applications for the ZONESCAN 820 logger platform:

Lift & Shift Mode

The ZoneScan 820 allows for quick and effective zone-by-zone leakage surveys, identifying leaks with high precision using the ZoneScan Smart software on Android devices.

Drive-by Mode

Loggers in Drive-by mode collect data at fixed locations, with operators retrieving data periodically while minimizing the need for frequent site visits.

Fixed Network Monitoring

The ZoneScan 820 integrates with the Alpha communication package for fully automated, permanent leak detection, sending data directly to the cloud for continuous monitoring.

Correlating Logger Technology

The first of its kind, the ZoneScan 820 uses correlation technology to filter out background noise, ensuring accurate leak identification even in noisy environments.

Modular and Flexible Design

ZoneScan loggers are fully modular, allowing for easy switching between Lift & Shift, Drive-by, or Fixed Network modes, providing flexibility as needs change.

Global Success & Compatibility

Widely adopted worldwide, the ZoneScan 820 is compatible with multiple radio frequencies, offering a versatile solution for utilities across various regions.

Q&A

How are water leaks detected and localised?

When water leaks from a pressurized pipe, acoustic leak noises are generated. Gutermann specializes in the development of highly sensitive Leak Noise Correlators that detect and localize these acoustic signals, pinpointing the exact source of the leak.

How does the Leak Noise Correlators work?

Correlators are advanced electronic devices used to pinpoint leaks in pressurized pipes, especially when the approximate leak location is unknown and the distances are relatively large. Two or more sensors are placed in contact with the pipe on either side of the suspected leak. These sensors record and wirelessly transmit the acoustic signals to a processing unit. Using mathematical algorithms, the system analyzes the noise profiles—such as the hissing sound of a leak—by correlating the signals received by both sensors and measuring the time difference it takes for the sound to travel along the pipe to each sensor, thus determining the exact leak location.

GUTERMANN is a pioneer in the development of leak-locating correlators. The AQUASCAN correlator range is renowned for its world-leading sensors, compact and ergonomic design, field durability, and advanced filtering capabilities.

How does Network Monitoring work?

Permanent (or fixed) network monitoring involves the deployment of sensors (loggers) within your water distribution network. These sensors continuously gather data on the pipe network and automatically send leak alarms to the control center for prompt action. The systems can operate as standalone units with their own radio transmission network (e.g., ZONESCAN NBIOT) or be integrated into existing infrastructure, such as large AMI networks (e.g., ZONESCAN AMI).

These loggers not only detect the presence of leaks (through leak noise logging) but also perform leak noise correlation to accurately pinpoint the location of leaks within the network

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