sensors Smart meters

U540

Residential Ultrasonic Meter

The U540 is a next-generation ultrasonic water meter designed for residential and small commercial metering. Its transit-time measurement technology guarantees unmatched precision (class R400) across the entire flow range, with no moving parts. Compact and robust (IP68), it ensures easy installation and an exceptional 15-year service life with zero maintenance.

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U540
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MID & ISO 9001

Certified Tech

Data Sheet

Technical Specs

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Nominal diameter

DN15 / DN20 / DN25

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Accuracy class

R400 (R800 optional)

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Flow range

0.01 - 6.3 m³/h

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Max pressure

16 bar (PN16)

thermostat

Temperature

0.1°C - 50°C

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Protection

IP68

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Battery

15-year Lithium

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Communication

Pulse, M-Bus, NB-IoT, LoRaWAN

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Dimensions

165 × 80 × 95 mm

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Weight

0.8 kg

Key Benefits

Why choose this model?

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R400 precision

Reliable measurement even at very low flow rates, reducing non-revenue water losses

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No moving parts

No mechanical wear, zero maintenance for 15 years

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IP68

Installation in floodable pits, full resistance to extreme conditions

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Multi-communication

Compatible with NB-IoT, LoRaWAN, M-Bus and pulse

Ideal Applications

location_city Residential housing
location_city Small commercial
location_city Sub-metering
location_city Property management

Ready to optimize your metering?

Contact our experts today for a personalized network audit or a technical quote.

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