ULTRAFLOW type 65-S/R Heat & ULTRAFLOW type 65-T Cooling is a static flow sensor based on the ultrasonic measuring principle. The prime area of application is as a volume flow sensor for use with thermal heat meters such as MULTICAL®. ULTRAFLOW® has been designed for use in heating installations where water is used as the heat-bearing medium.
ULTRAFLOW employs micro-processor technology and ultrasonic measuring techniques. All circuits for calculting and measuring are collected on a single board, providing compact and rational design in addition to an exceptionally high level of measuring accuracy and reliability.
The flow is measured using bidirectional ultrasonic technique based on the transit time method, with proven long-term stability and accuracy. Two ultrasonic transducers are used to send the sound signal both against and with the flow direction.
The ultrasonic signal travelling with the flow direction reaches the opposite transducer first. The time difference between the two signals can be converted to a flow velocity and thus a volume.
A multiplug, placed beneath the seal, is used during communication and calibration. A three-wire pulse cable is used to connect ULTRAFLOW® to the calculator.
This cable is used to supply the flow sensor from the calculator and also to send the signal to the calculator. The signal corresponds to the flow, or more correctly, a number of pulses proportional to the water volume flowing through the meter is transmitted.
If required a Pulse Transmitter can be used to supply ULTRAFLOW®, e.g. if the distance between MULTICAL® and ULTRAFLOW® is 10 m or more. The Pulse Transmitter has a built-in supply and a galvanically separated pulse outlet.
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