ALSONIC Plastic DN15-DN50

Versatile ultrasonic flow meter available in DN15-DN50 sizes, delivering ±2% accuracy across measurement ranges from 9 L/h to 60,000 L/h at pressures up to 10 bar and temperatures -20°C to 90°C. This compact solution features integrated temperature sensing, optional pressure measurement, gas bubble detection, and glycol concentration monitoring with automatic flow compensation. Equipped with multiple communication interfaces (Pulse, 0-5V analog, Modbus RTU) and robust PPS construction ensuring >12 years lifetime, it's ideal for heat pump systems, hydronic heating and cooling, district heating networks, HVAC applications, heat metering, and others.

ALSONIC Plastic DN15-DN50
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

Media

Water, Water+Glycol, Dl Water and many others

Accuracy

± 2% of measured value

Output
Pulse, 0-5 V, MODBUS
Operational Pressure
0 - 10 bar
Connections

G Male Thread for Flat Seal​

Wetted materials
PPS 40% GF, EPDM
Operational Temperature
-20 - 90 °C
Functions

Flow measurement

Temperature measurement

Pressure measurement (optional)

Heat metering (optional)

Variants

Select variant

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