This helps to get a fast overview over the actual data and situation. Real-time data can also be read on the smartphone through the app. The Flow Meter is easily configurable through the SUTO S4C-FS App. Smartphone App for Configuration and Real-time Data With the integrated display the vacuum sensor is available for different pipe sizes DN8, DN15, DN20, DN25 and DN32 (G female thread). The S418-V offers great flexibility at the point of use and can be installed anywhere. These parameters are crucial values in vacuum applications and help operators to ensure their process reliability. Vacuum System Optimization and Reliabilityīy monitoring the flow, consumption, pressure and temperature at the point of use, the flow meter helps to optimize vacuum system efficiency and discover optimization potentials.Įquipped with an absolute pressure sensor, it does not only show the vacuum pressure, but also shows the actual vacuum flow. The use of thermal mass flow technology makes the flow meter also resistant with regards to temperature and pressure changes. In doing so, the actual flow and absolute pressure on the low-pressure side of vacuum pumps is measured. The Inline Type Flow Meter is designed to monitor the performance of vacuum pumps. For assistance selecting the most accurate mass flow controller or mass flow meter for your application, please contact our Applications Engineering team or your local Brooks Instrument representative.The S418-V Compact Flow Meter offers a simple but effective monitoring solution for vacuum applications at the point-of use. Some manufacturers include all three elements in their accuracy statement, some do not. To get an apples-to-apples comparison of mass flow controller and mass flow meter accuracy, it is important to understand the above elements of accuracy and how they relate to the device specifications. calibration conditions impact the actual process accuracy. Other factors, such as long-term stability, conversion factors, temperature/pressure coefficients and process conditions vs. The sum of those uncertainties equate to the device accuracy.Īccuracy = CMC + Linearity + RepeatabilityĪll of these factors impact the accuracy that you see on the spec sheet for a mass flow controller, mass flow meter or other measurement device. Linearity indicates how well the curve-fit correction worked.Įach of these building blocks contributes some amount of uncertainty to calculating mass flow controller or mass flow meter accuracy. This is accomplished by collecting multiple data points during a calibration process and determining a curve fit equation. To account for this, a curve-fit correction is applied to the devices. This element is needed because all mass flow controllers and mass flow meters are inherently nonlinear to some degree. If a mass flow controller or mass flow meter was used to create a specific flow rate over and over again in rapid succession without changing conditions, the distribution of the flow measurement data points (in excess of the variation in the CMC) would indicate the repeatability of the instrument. This represents the device's ability to repeat a flow measurement under the same conditions in a short period of time.
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