Knowing these parameters and the exact tube cross-section, the ES-FLOW is able to measure liquid volume flows in the range of 4 up to 2-1500 ml/min. By accurately measuring the time difference between the recordings (nanosecond range) the flow velocity and speed of sound is calculated. Typical applications can be found in food, beverage, and pharmaceutical for measurement and control of: natural additives, solvents, carbonated liquids, H 2O 2 sterilization, demineralized water, and liquids with suspended particles.Įvery transducer can send and receive, therefore all up- and down-stream combinations are recorded and processed. The ES-FLOW can be used for a wide variety of applications. As an option, an on-board interface can be mounted to provide CANopen, DeviceNet, EtherCAT, PROFIBUS DP, PROFINET, Modbus RTU, ASCII, or TCP/IP, EtherNet/IP, POWERLINK, or FLOW-BUS protocols.Ĭommon Uses of ES-FLOW Ultrasonic Flow Meter and Controller In addition to the standard RS232 output the instruments also offer analog I/O. The main digital pc-board contains all of the general functions needed for measurement and control. The ES-FLOW Series of ultrasonic flow instrumentation from Bronkhorst is equipped with a digital pc-board, offering high accuracy, excellent temperature stability, and fast response. Moreover, with this batch dosing functionality the instrument can control shut-off valves, proportional valves, and pumps. So, it can easily be integrated in already existing processes and production lines. The setup is customized to fulfill all requirements of the production. during start-up of the instrument or change of supply batches). The firmware is equipped with a “learning function” to correct even the smallest tolerances automatically (e.g. One of the advantages of the ES-FLOW is that the instrument is equipped with an integrated counter, totalizer, and batch dosing functionality. This dosing technology allows batch dosing of small amounts of liquid additives with only a minimum of tolerance. Hygienic design with capacitive touchscreen.Direct volume flow measurement, independent of fluid properties.Compact control solutions using a valve or a pump.Low pressure loss due to the straight stainless steel tube.Innovative sensor with fast response time and high accuracy.With the ES-FLOW non-conductive liquids like hydrocarbons, demineralized water, and oil-based additives can be measured. With these features the ES-FLOW has many similarities with our Coriolis technology based instruments, which are very beneficial compared to Magnetic flow meters or other types of flow meters. Therefore, recalibration per fluid is unnecessary as the instrument is able to detect the actual speed of sound of the measured liquid. Liquids can be measured independent of fluid density, temperature and viscosity. The flow media are all neutral and aggressive fluid media which are free of solid particles, provided that the components coming into contact with the instrument are resistant in accordance with the ASV resistance list.The innovative ES-FLOW Ultrasonic Flow Meter and Controller for liquids is designed for measuring volume flow ranges between 4 and 2-1500 ml/min with high precision, high linearity and low pressure drop using Ultrasonic Wave Technology in a small bore tube. By connecting the oval wheel meter OVM to a SPS it can be used to dose fluids. No upstream or downstream sections are necessary. The oval wheel meter has a compact design and is irrespective of the flow speed of the fluid as well as the fluid s density, temperature and viscosity. In order to take the measurement, the rotation of the oval wheels is transferred by means of magnets to pulse tachometers. The oval wheels convey with each rotation four (isolated between the oval wheel and the measuring chamber) partial volumes through the meter. The oval wheel meter OVM is made up of a measuring chamber housing with two rotatable oval wheels with teeth which intermesh and rotate around and in opposite directions to one another. Oval wheel flow meter work according to the displacement principle and are used for the measuring, metering and monitoring of viscous fluid flow.
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