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Ultrasonic heat and heating/cooling energy meters

Stock no. LYU:UH50..

Stock no. LYU:UH50..

The UH50-A.. heat meter and the UH50-C.. heat/combi meter acquire the volume flow statically based on the ultrasonic measuring principle. They are available as wall-mounting versions in different sizes. The meters excel in great measuring accuracy, wear resistance, and long-term stability. The UH50.. transmits the current consumption value, the monthly values, the set day value, and error messages to the respective data collector.

The processor unit can be equipped with different sensors, different power supplies, and 2 communication modules.

The display informs the user about the amount of energy consumed.

The ultrasonic meters are used in residential or commercial buildings to acquire the amount of heat or heat/cooling energy consumed.

Additional info

The standard meter is supplied without power supply and without communication (see accessories).


The meters are supplied with Operating and Mounting Instructions in the following languages:

Bulgarian, Chinese, Croatian, Czech, Dutch, English, French, German, Greek, Hungarian, Italian, Norwegian, Polish, Russian, Slovakian, Slovenian, Spanish, and Turkish



Due Date


Voltage supply

Without, see accessories

Sensing element, temperature


Measurement accuracy

Heat: MID class 2, Cold: EN 1434


Without, see accessories

Temperature range electronic unit

2...180 °C

Temperature range volume measuring section

5...130 °C


EN 1434

Mounting location

Meter: Return

Product Variants