42 Flow Level Pressure
Enhanced Ultrasonic Flow System with High Accuracy and Low Cost of Ownership
Siemens launched the Sitrans FS220 clamp-on ultrasonic flowmeter, the newest addition to the growing portfolio of next-generation digital flow measurement systems from Siemens. Combining the Sitrans FST020 transmitter with Sitrans FSS200 externally mounted sensors, the Sitrans FS220 offers the most commonly required measurement functions with superior accuracy, cost efficiency and ease of use. The new flow system is suitable for multiple industries requiring budget-conscious liquid flow instrumentation, including water and wastewater, power, HVAC and chemical.
The new Sitrans FST020 transmitter with its integrated PerformancePLUSTM algorithm has been upgraded from the previous version to deliver enhanced performance, simplicity and options for customization. It measures with consistently high accuracy of 1% of flow rate, improved zero stability resulting in minimal need to set a zero point and repeatability of 0.25% according to ISO 11631.
The Sitrans FST020 provides a user-friendly experience from initial startup through day-to-day operation and servicing. The large graphical display features intuitive menu navigation, multiple setup wizards, and the ability to display up to 6 user-configurable parameters on the same screen as well as to customize 5 different views. The innovative SensorFlash® microSD card provides access to all product data and certificates directly from a PC or via the transmitter’s built-in USB service port. Its datalogging and audit trail feature automatically stores up to 100 records per log of process and diagnostic parameters or changes made to device settings. This function allows operators to analyze the performance of each process and address any potential issues, resulting in optimized plant efficiency and higher-quality end products. And the transmitter’s digital platform is proven in use, as it shares HMIs and menu structures with the more advanced FST030 clamp-on ultrasonic transmitter as well as the FCT030 Coriolis transmitter.
The Sitrans FST020 transmitter has been developed to work with the existing line of Sitrans FSS200 clamp-on ultrasonic sensors, which can be installed on pipes as large as 10 m (394 in) with no process downtime. As the sensors never make contact with the medium and do not feature any moving parts, they require virtually no maintenance. Additionally, for the most challenging applications, optional WideBeam® transit-time sensor technology handles high levels of aeration or suspended solids without any significant reduction in performance.
Breakthrough in Microthermal Technology for Natural Gas Metering is Announced
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The new Sensirion SGM6200 module covers natural gases in group E with up to 25% hydrogen content at a current consumption below 10 µA
New environmentally friendly technologies, such as power-to-gas and biogas production systems, will change requirements for the entire natural gas industry, including gas metering. Due to these trends, future gas metering will be confronted with new mixtures of natural gas, including those that contain significant amounts of non-conventional fuel gases such as hydrogen or carbon dioxide. These new gas mixtures present a challenge for all the technologies currently used in natural gas metering. Sensirion has been working on these issues for many years and is proud to announce what we believe is a major breakthrough in microthermal gas metering using a new technology to measure thermal gas characteristics that was developed in house.
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Sensirion plans to commercialize this new technology by adding the new SGM6200 series to its current product portfolio of SGM6000 modules. Furthermore, the sensor company believes that the SGM6200 series fulfills both current and future market requirements. One single module covers natural gases in groups H and L and E (as defined in EN437) as well as natural gas mixtures, including non-conventional fuel gases with up to 25% hydrogen content. The SGM6200 family will output temperature-compensated volumes of natural gas, aligned with today’s most widely used billing systems for natural gas. Competitive prices and ultra-low current consumption below 10 µA enable Sensirion’s customers to design very competitive, cutting-edge meters for natural gas.
Currently, Sensirion plans to make samples available by February 25, 2018. Start of production for the G4 module of the SGM6200 family is planned for Q3 2018. By assessing additional physical properties of natural gas, the SGM6200 series paves the way for realising Sensirion’s vision of direct energy content monitoring of natural gas in gas meters.
Over 1 million MID-approved smart gas meters with Sensirion’s microthermal gas meter modules are currently being operated in Europe by over 50 utility providers. Numerous pilot projects are running at leading utility providers in the Middle East, Asia, Europe and America with the goal of establishing Sensirion’s gas metering technology worldwide.
The microthermal sensing principle is a static metering technology featuring noiseless operation. Thanks to their compact size, Sensirion gas meter modules allow the design of very compact and cost-efficient gas meters for easy installation in the field, even in very confined spaces. Moreover, due to ultra-low power consumption, one single AA Li/SOCl2 cell is sufficient for more than 15 years of module operation.
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Designed to IP65 standards the Process Atrato ultrasonic flowmeter from Titan Enterprises is built for use in demanding process and control environments.
Durably constructed from 316 stainless steel and PEEK, and incorporating proprietary ultrasonic flowmeter technology, the Process Atrato offers reduced cost of ownership compared to existing flow measurement devices used in the process environment.
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Rated for use up to 65°C and 20Bar the compact Process Atrato is available in 4 models operating over flow ranges from 2ml/min to 15litres/min, featuring an accuracy of ±1% over the whole flow range. Each Process Atrato is calibrated with a pre-set ‘K’ factor so all meters of the same flow range are fully interchangeable simplifying assembly and set-up procedures for OEM manufacturers looking to integrate the flowmeter into their process and control set-up.
Using patented technology that enables it to operate accurately over wide flow ranges, the Process Atrato signal processing system permits flow measurement across the whole Reynolds number range allowing both viscous and non-viscous products to be metered.
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Process Ready Ultrasonic Flowmeter
ANNUAL BUYERS GUIDE 2018 •
WWW.PETRO-ONLINE.COM
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