Trusted flow measurement is essential in maximising HVAC system efficiency and ensuring occupant comfort. 

Belimo has released new larger sized inline flow sensors from DN65 to DN150. Belimo's new flow sensors utilise ultrasonic transit-time technology to provide accurate, repeatable flow measurements of water and water/glycol mixtures without drift in any HVAC application.

The innovative measurement method features ±2% accuracy of reading and ±0.5% repeatability, ensuring accurate and precise flow measurement and low power consumption of 0.5W, saving energy and transformer capacity.

Its ultra-compact size with a short inlet length of 5x nominal pipe diameter and no output-length requirements allow the ultrasonic flow sensor to be installed in tight spaces. Multi-point wet calibration enables hassle-free installation and accurate flow measurement from start-up.

The comprehensive diagnostics functions feature an automatic air-bubble and water presence detection.These make the installation and commissioning easy and efficient.

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