Belimo Ultraonic Flow Meter 24V DN20 Bsp Iso7/1 0.78 L/s FM020R-SZ HVAC

Flow Sensor. Calibrated ultrasonic Flow Sensor, temperature and glycol compensated. With DC 0.5-10 V output signal. This sensor can be used in closed cold and warm water systems and is robust against dirt and magnetite. There is also a low pressure drop across the sensor.