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Products > Water Flow / BTU Metering > BTU Flow Metering



Danfoss engineers technologies that enable the world of tomorrow to do more with less. They meet the growing need for infrastructure, food supply, energy efficiency and climate-friendly solutions.


SonoSelect™ 10 is a high-end ultrasonic meter for heating and cooling consumption. The compact meter is primarily used in residential buildings and also allows measuring of tap water. By using Danfoss SonoApp™, a new level of installation and commissioning simplicity is achieved.

SonoSafe™ 10

The ultrasonic meter SonoSafe™ is a compact and reliable meter offering basic features and functions. It can be installed in several heating applications within residential buildings and comes with all national certification requirements.

SonoMeter 30

The Danfoss SonoMeter 30 offers a range of ultrasonic, compact energy meters intended for measuring energy consumption in heating and cooling applications for billing purposes. Available in DN65 to DN100. The meters are designed for remote meter read-out (AMR).

SonoRead 868

Precision and Reliability through Advanced Ultrasonic Technology

Energy Metering Diagnostics

Energy Metering Solutions



Onicon is a leader in HVAC BTU Flow Metering with a range of products including turbine meters, vortex meters, electromagnetic meters, thermal mass flow meters, and clamp-on ultrasonic meters as well as BTU meters and display modules. ONICON continually delivers comprehensive solutions for all our customers’ flow and BTU measurement needs.

F-1000 Series



System 10

System 20

System 40 - BAC

Onicon Family of Products