Digitermo DTU DN15 M-Bus Ultrasonic Heat Meter
The Digitermo DN15 M-Bus ultrasonic heat meter is a locally manufactured device providing reliable energy measurement in small-diameter heating and cooling systems. Thanks to ultrasonic measurement technology it offers accurate, long-lasting and maintenance-free operation. With IP65, IP67 and IP68 protection classes for different…
Digitermo DN 15 M-Bus Ultrasonic Heat Meter is a locally manufactured device providing reliable energy measurement in small-diameter heating and cooling systems. Thanks to ultrasonic measurement technology, it offers precise, long-lasting, maintenance-free use. With IP65, IP67 and IP68 protection classes it can be safely used under different field conditions.
The DN 15 model provides fair billing and energy savings in individual heating-cooling applications thanks to its ability to measure accurately even at low flow rates. Its moving-part-free construction delivers stable performance for many years. The touch-key feature makes menu navigation easy and practical.
The DN 15 ultrasonic heat meter provides easy integration into building automation systems thanks to the M-Bus communication protocol. With this feature, consumption data can be read remotely, reported in central systems, and energy management efficiency can be increased.
📊 Precise Measurement | Energy Savings | Locally Manufactured Assurance
Track your energy consumption reliably and increase your savings.
Digitermo Ultrasonic Heat Meters provide precise energy measurement in heating and cooling systems, in a range of diameter options. With local manufacturing, long-lasting battery technology, IP65/67/68 protection classes and touch-key features, they offer reliable solutions for modern buildings and commercial facilities.
Ideal for small-diameter apartment and residential projects. Provides fair billing and energy savings in individual heating-cooling applications.
Offers precise measurement in medium-diameter estates and commercial projects. Provides reliable data in floor-based or central systems.
Suitable for use in medium-sized apartment blocks and office buildings. Easily integrates with energy management systems.
Provides precise measurement in high-flow central systems and large buildings. Durable under demanding field conditions.
Measures with high accuracy in high-volume systems, hotels and industrial projects. Offers a professional solution for modern facilities.
📊 Precise Measurement | Energy Efficiency | Long-Lasting Use
Track your energy consumption reliably and save.
| Model | DTU DN15 |
|---|---|
| Nominal diameter | DN15 |
| Communication | Wired M-Bus |
| Body length | 110 mm |
| Connection size | G3/4"" |
| Minimum flow (qi) | 0,015 m³/h |
| Nominal flow (qp) | 1,5 m³/h |
| Maximum flow (qs) | 3 m³/h |
| Temperature measuring range | 1–105 °C (document) |
| Minimum temperature difference | 3,75 K (document) |
| Lower temperature-difference limit | 5,90 °C (document; confirmed) |
| Temperature sensor | PT1000 |
| Measuring class | EN 1434 Class 2 |
| Operating pressure | 1,6 MPa |
| Pressure loss | 10 kPa (common table) |
| Protection class | IP65 |
| Mechanical / electromagnetic class | M1 / E1 |
| Mounting type | Horizontal / vertical |
| Battery | 26500 C boy |
| Battery life | up to 10 years (product declaration) |
| Historical data | in the catalog LCD menu 12-month log |
| Optical interface | Yes |
| LCD display | Backlit, multifunction" |
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