Acoustic Leak Detection (ALD)


Now, you can let your smart meter work for you to help locate leaks and create an unprecedented transparency in your distribution network. Acting like a fine-meshed network of noise loggers, the flowIQ® 2200 water meters listen to the distribution lines and service connections to detect leaks.

Integrated Acoustic Leak Detection (ALD) is changing the metering industry. This new smart technology is going to produce significant water savings due to being two steps ahead of water loss. The ALD sensors in the meter enable registering and reporting of sound patterns that could indicate potential leakage on transmission lines and distributions mains, as well as service connections. The flowIQ® 2200 ALD sensors listen every 55 minutes allowing a variation of listening times 24/7 – 365 days a year. By listening at 55 minute intervals, the utility is able to gather valuable data for locating leaks. Meter reading and leak data are sent to the AMI Collectors and the data can be viewed via a Hosted Platform which can be accessed from the office or home. The city will then be able to view reading data and export to the billing software.

Residential, Commercial, & Industrial Water Metering

flowIQ® is a static smart water meter intended for the registration of water consumption. The water meter uses the ultrasonic principle and has been constructed on the basis of Kamstrup’s experience since 1991 with the development and production of static ultrasonic meters.


One of the water meter’s many advantages is its maintained precision of accuracy throughout the life of the meter. flowIQ® has a built-in sensitive leak monitor, which detects as low as 0.25% of Q3, meaning that water loss due to under recording is minimized. Additionally, the water meter has no moving parts; so it is resistant to particles and debris in the water lines.

flowIQ® is hermetically closed and constructed as a vacuum chamber of molded composite material, ensuring the electronics are fully protected against penetration of water. This means that the water meter is ideal for placements in meter pits or basements prone to flooding. The meter is compact and easy to install in all operating environments, both horizontally and vertically independent of piping and installation conditions.

Measuring Temperatures

The water meter measures water with temperatures from 33…140°F. Additionally, the meter continuously measures both water and ambient temperature and stores both minimum and maximum daily temperatures.


The volume is measured using the bidirectional long-term stable ultrasonic technology. Flow measurement with ultrasound guarantees precise accuracy. Only what is consumed is being measured – the ultrasonic principle.



Smart Water Meter

Built On Proven Technology – Packed With Intelligent Features


Kamstrup’s flowIQ 2250 Ultrasonic Meter. This smart meter operates through a fixed based AMI-network. It sends readings and alerts wirelessly so you no longer have to waste fuel and time collecting readings manually.

Resource Wise, LLC.

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