ALSONIC Brass DN15-DN50 Flowmeter

Robust ultrasonic flow meter in DN15-DN50 sizes, achieving ±2% accuracy from 9 L/h to 60,000 L/h at pressures up to 16 bar and temperatures -20°C to 100°C. Featuring durable brass construction, integrated temperature sensing, optional pressure measurement, gas bubble detection, resistance to various types of deposits, including magnetite, and glycol monitoring. Sensor tested and certified in accordance with EN IEC 60335-2-40 for reliable and safe operation in heat pumps using propane (R290). Multiple communication interfaces (Pulse, 0-5V, Modbus RTU) ensure seamless integration for commercial heating, industrial process control, heat pump systems, district heating, and others.

ALSONIC Brass DN15-DN50 Flowmeter
Features
Integrated Temperature Sensor
Integrated Heat Energy Measurement optional
Glycol Compensation
Integrated Pressure Sensor​ optional
Gas Bubble Detection​
Drinking Water Approval​
Ultrasonic Flow Metering
Technical Data

Product specifications

Operational Temperature
-20 - 100 °C
Wetted materials

Brass CW724R, PPS, EPDM

Connections

BSPP Male Thread for Flat Seal

Operational Pressure
0 - 16 bar
Output

Pulse, 0-5 V, MODBUS, LIN-Bus

Accuracy

± 2 % of measured value

Media

Water, Water+Glycol, DI Water and many others

Functions

Flow measurement

Temperature measurement

Pressure measurement (optional)

Heat metering (optional)

Variants

Select variant

DN15
Flow Range [l/min]
0.15 - 50 l/min
Flow Range [l/h]
9 - 3000 l/h
ΔPloss@ max flow [mbar]
80 mbar
Kv [m³/h]
10.6, 3 m³/h
Length
110
Connection
G 3/4
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