Ultrasonic Flowmeters are mainly of two types: Doppler and transit time. Ultrasonic Flowmeters working on transit time principles send two ultrasonic signals across a pipe one traveling with the fallow and the traveling against the flow. The ultrasonic signal traveling with the flow travels faster than a signal traveling against the flow. The Ultrasonic Flowmeters measures the transit time of both signals. The difference between these two times is proportional to flow rate. Transit time Ultrasonic Flowmeters usually monitor clean and clear liquids.
In Doppler principle a transmitting transducer sends a continuous ultrasonic signal into the liquid. Particles, gas/air bubbles or disturbances in the liquid reflect part of this signal. The reflected signal is sensed by the receiving transducer and the difference between the transmitter and received frequency is calculated. This frequency is directly proportional to the liquid velocity. Ultrasonic Flowmeters measures the particle size>100 microns.
Features:
- The processor is wall mountable, field mountable and portable. It can be linked to a telemetry system
- The processor also has an additional 4-20 mA input which can be used to monitor any other instrument with 4-20 Ma output. i.e pH, EH etc
- GPRS Communication optional
- Need not cut or drill the conduits or disturb the flow, just clamp the sensors on the pipeline
Applications:
- You can practically measure any sonically conducive liquid without cutting the pipe. Pipeline sizes ranges from 1mm to 4600mm
- Ideal for trouble shooting, balancing and calibrating permanent flow metros
- Used to measure flow in open cannels like irrigation canals, or huge pipe lines
Features: