Belimo 22PF-1UJ-1 - ultrasonic flow sensor

Belimo 22PF-1UJ-1 – flow sensor

The sensor measures flow using ultrasound and measures the temperature of the medium. It is designed for water and water-glycol mixtures up to max. 60% vol. It monitors the glycol content and accounts for it in the flow measurement.

Key features

• Size DN 65 (2 1/2 inch), PN 16; flange connection in accordance with EN 1092-2.
• FS 10.6 l/s (38 m³/h); minimum measured flow: 0.7% FS.
• AC/DC 24 V power supply; electrical connection: cable 6x 0.75 mm².
• Communication: BACnet MS/TP, Modbus RTU, MP-Bus.
• Voltage output: 1 x 0...10 V, 0.5...10 V, 2...10 V or user-defined; factory setting DC 0...10 V.
• Configuration via NFC using Belimo Assistant 2.
• IP54 protection rating; medium temperature -10...120°C.

Installation instructions

Installation is permitted from vertical to horizontal positions; do not install in a suspended position. Maintain an inlet straight length of at least 5x DN before the sensor and follow the flow direction indicated by the arrow on the housing.