Of course, one transducer emits the ultrasound signal with the flow, while the other emits it against the flow. It also measured slow flows very accurately. We did this to achieve a dual-mode gas flow metering capability using the fewest sensor combinations thereby reducing both complexity and cost. Although industrialgas flow metersare widely utilised for liquid and water applications, it has long been accepted that clamp on gas flowmeter technology could not be applied to mass gas flow measurement primarily due to fundamental theoretical measurement limits. articleSubscribe to our Newsletter, Jacobs Engineering Group (World Trade Center), UPMC Events Center at Robert Morris University, Moon Township, PA. Easy connection to flow computers allows straightforward integration into any measurement station. Especially useful forerosive, corrosive,toxic, high-purity and sterile gas measurement. The measurements were within one percent with no drift. We recently added 70 new meters for domestic water, and we continue to expand building by building. In addition to easy-to-understand visualization, the software supports the user with logs and assistance functions when operating the gas flow meter. They have improved safety, accuracy and production. 0000005316 00000 n
He is the author of "An Industry Guide for the Use of Thermal Mass Flow Meters: Oil & Gas Production, Waste Management, Steel." Flow Meters for High Pressure I can honestly tell you I've never had to come back to it due do flows errors. SICK ultrasonic sensors combine high performance with low power consumption. 0000003193 00000 n
That should translate to an annual savings of $750,000. Now we are completing most of our buildings with FLEXIM meters for our performance contract. The GC868 gas flow meter is ideal for measuring most gases including steam, compressed air, natural gas, nitrogen, argon, helium and many others. The meter measures the difference in transit time between the two transducers, and the velocity difference is used to calculate flow. Now Im able turn every valve wide open and program the frequency drive to run at the optimum speed to deliver the cooling water. We have been very pleased with the accuracy and reliability. While at Weston Instruments, Steinberg was a product marketing engineer. FLEXIM meters have turned out to be better than the meters we were used to. We invested in 3 different types of GE ultrasonic meters, insertion and clamp-on. These cookies do not store any personal information. %%EOF
Ultrasonic flow meter for custody gas transfer, Copyright 2005-2022 NPP KuibishevTelecom-Metrology, Number of information processing units (IPU), 1 output: 0/2/4 22 mA, + 500 According to NAMUR NE43 (Standardization Association for Measurement and Control), Volume flow rate measurement error limit o.c., %, Custody transfer of natural gas and associated petroleum gas, Custody transfer of hydrogen and hydrogen-injected natural gas, Measurement of regasified LNG at cryogenic temperatures, Custody transfer gas at distribution stations. Now I can accurately put our settings exactly where the factory recommends for optimum performance. We are in requirement of an ULTRASONIC CNG flow meter for 12 size. xref
Sensia is constantly developing cutting-edge ultrasonic technology to better meet industry demands for custody transfer. Portable clamp-on gas flow measurement withunrivalledaccuracy. 336 0 obj<>stream
But, since there are no moving parts, I dont see any issues in the future. The ultrasonic gave us good, flat readings with minimal noise. We also use third-party cookies that help us analyze and understand how you use this website. 0000004261 00000 n
By operating in this way higher receiving signal amplitudes can be achieved thereby compensating for the signal attenuation of the gas. Every day natural gas flows in great quantities through pipelines or into storage facilities. The differential meter was a lot more noisy; it read higher flow than the FLEXIM. The HPI meter was successful in exactly identifying both of the interfaces. No other flowmeter supplier in the industry offers a method of measuring flow of liquid, gas, or steam that works as reliably without the risk of leaks or interruptions. On the onset, ultrasonic meters are costly. FLOWSIC600: Ultrasonic gas flow meter for natural gas and process gases. Steinberg has over 40 years of instrumentation experience. The non-invasive measurement of gas flow is more difficult than for liquids owing to the high damping characteristics of the gaseous media. Flow meters has the protection marking "0ExiIIBT4 " and can be installed indoors in explosions hazard zones. For example, electronic processing improvements have permitted the meter to measure some fluids that arent clean. It is now one of the plants safety interlocks and it is still giving accurate, noise-free measurements. 0000008401 00000 n
The flow meter carries out direct measurement of temperature and pressure and on basis of the measured values of these parameters calculates the kinematic gas viscosity, which is then used for calculating correction coefficients of Reynolds number. We manufacture thermal mass flow meters, which measure and monitor gas mass flow. FLEXIM is selected as the preferred meter; this predicated on investigations including technology search, market survey, technology familiarization, unit familiarization, expected accuracy analysis, and actual field testing. They were far more robust and accurate than I thought they would be. In the future, the data will be used by the process control and automation system to not only monitor, but possibly control the flow and optimize the process. Energoflow GFA-202 FLEXIM meters capture low flow rates better than any meter I have encountered. As the building efficiencies continue we also utilize FLEXIM energy meters to upgrade old or non-existent submetering throughout the building. for custody transfer measurement of natural gas. The result is maximum measurement reliability even under adverse measurement conditions. Additionally, the ultrasonic flow meter is disturbed by noise and can be impacted by dirt and fluids. These meters have proven reliable and are perfect for retrofit installations because they are nonintrusive and eliminate the need to cut into piping for installation. Precise gas quantity measurement is of the utmost importance, as even very small measurement errors could result in substantial economic loss. If the flow rates arent detected you are giving away free energy. These properties mean that traditional transit-time techniques using shear wave sensors can only be applied for higher pressure gas pipelines. He has a BSEE and a BA from Rutgers University. SICK also provides inlet and outlet sections, flow computers, and pressure and temperature transmitters. We now have a total of about 100 ultrasonic meters monitoring our HVAC flow and temperature and reporting to our dashboard/BAS system. Please read our Privacy erms to find more. We selected FLEXIM's 4-path meter for this highly sensitive flow measurement. We'll assume you're ok with this, but you can opt-out if you wish. And we dont have to take it out and clean it! We have been up and operating for more than a year and there have been no issues. The FLOWSIC600 ultrasonic gas flow meter features a robust meter body incorporating measurement equipment, performs measurement with high noise immunity and long-term stability, and is nearly maintenance-free. Before, we couldnt repair acid leaks on the run because we couldnt operate without a concentration meter. Type Dry Contact Voltage from 5 V to 28 V, Resistive,Temperature ensor, Pt100, corresponding to standard DIN EN 60751, class A, Absolute basic error of temperature measurement, Derived basic error of pressure measurement, Buil-in lithium battery of capacity 2x19 A*h, (provides operation for 4 years), Optional power supply from an external source, Ingress,Protection of casing as per GOST 14254. Control software program is used for recording, viewing and changing the settings of the flow meter , recording and viewing of measurement data, as well as for reading data archive. I have taken more than 600 readings with the FLEXIM portable meter, and my success rate is 99.8 percent; and that includes pipes containing acids, water, gasses, and slurries at several hundred degrees. The flow meter provides protection of settings and archive data from unauthorized changing by restricting access through a system of passwords and hardware based protection of configuration from being overwritten. Valeport BFM001 & 002 Open Channel Flow Meters, Panametrics PT878GC ultrasonic clamp-on gas flowmeter. One nice thing about the ultrasonics is that if there is an issue, they are easy to access to make any changes. For three months we tested it and then installed it permanently. It is ideal for both natural gas custody transfer and the highly precise measurement of process gases in the chemical industry. 0000000688 00000 n
An ultrasonic flow meter is a device commonly used to calculate the volumetric flow of fluid. 0000000978 00000 n
And the measurements would drop over time as it plugged. The device tolerates high and low temperatures, and the clamp-on style can be fastened on the outside of the pipe without penetrating it. Replacing aging equipment and perform upgrades and retrofits was going to be expensive, but there was no need. Otherwise, here are other links to articles sharing the benefits and limitations of each technology: Bob Steinberg is the founder, president, and CEO of Sage Metering. Energoflow GF-201H, GF-202H ultrasonic gas flow meters are flanged section type flow meters specially designed for measuring flow velocity, volumetric flow rate and volume of gaseous substances (gases) transported through pipelines in the forward or reverse direction at high pressure (up-to 16 Mpa). Energoflow GFE-201, GFE-202 Andheri Kurla Road, Andheri (E), Mumbai 400 093 Reference Turbine Gas Meters EFS-T 4-channel Flow Meters for Applications Requiring Enhanced Accuracy An illustration of thePanametrics PT878GC ultrasonic clamp-on gas flowmeter: If you'd like to consult with one of our flow specialists to help you choose the ultrasonic flow measurement solution that best suits your application, please feel free tocontact us. We searched for a clamp on meter to measure 400F high temperature hot water. Suitable for use with dry, wet, corrosive and abrasive gases, but also with gas such as sour gas or biogas with H2S, it is mainly used for high-pressure transmission systems and for medium pressure natural gas distribution networks. The meter has good repeatability, high turndown, and rangeability, and can measure at both high and low pressures. Due to low power consumption, it is possible to use a stand-alone power supply, such as a solar module. As a result, ultrasonic meters are used more in pipes 6 and larger. This measurement principle uses ultrasonic transit time to determine the gas flow rate. We now have 20 FLEXIM PIOX ultrasound meters performing well and sending data back in real time. Shear waves are the direct transmission of the ultrasound through both pipe and media and are the standard for ultrasonic liquid flowmeters. We use cookies to omprove your experience on the site. Utilizing clamp-on ultrasonic [FLEXIM] meters really improved our profitability. The key feature of our gas technology is that it can take these measurements, in steel pipes, down to atmospheric pressure. At the end of the day, I collect all the data dumps from the built-in data logger and export it to my spread sheet program. Copyright 2002 - 2022 Sage Metering, Inc. Powered by. Arrangement of measuring paths without reflection from the pipeline walls ensures long-term sta-bility, changes in the inner wall surface do not affect to the accuracy of the meter. Necessary cookies are absolutely essential for the website to function properly. When we compared the performance to our own buildings flowmeters, the FLEXIM meter was quite accurate. Ready to Talk to Us? We found FLEXIM and after we proved through testing that the meter was 1% accurate we installed 35 meters on our most problematic well measurements. More importantly they maintain their accuracy at low flow rates. I put these FLEXIM meters on everything. The pipe walls can interfere with signals for the clamp-on ultrasonic meters, and buildup on the pipe walls can affect the accuracy. This is a capability every midstream operations manager should have. The FLOWSIC600 uses ultrasonic measurement and operates without mechanically moving parts making it largely resistant to contamination and wear. Your email address will not be published. It is self-diagnosing, and once calibrated, the meter requires less frequent calibrations. 0000002697 00000 n
advantages of thermal mass flow measurement? Our multipath inline ultrasonic flowmeters are backed by more than 50 years of experience and a history of technological firsts for their use. The meter can be installed on any unlined pipe of metal or plastic construction from 0.75-24.0 inches in diameter with operating temperatures of -407 to 300F. The CTF878 gas flowmeter uses two pairs of transducers and new correlation tag technology to determine the flow rate of gases. Since our pumps have frequency drives, we can stop running them at full speed. You also have the option to opt-out of these cookies. RS Hydro 2022. Clamp-On Ultrasonic FlowmeterATEX, IECEx and EAC-Ex. 318 0 obj <>
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Unit No 1004/5, Atrium 2, Behind Hotel Courtyard Marriott, Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Required fields are marked *. The FLOWSIC600 is equipped with a warning signal that informs the user of a malfunction before the measured value is affected. Vendor must be Authorized Manufacturer of Custody Transfer Ultrasonic Flow Meters and shall have appropriate Accreditation of the Authorised Body for the manufacture of this Product. When we heard of FLEXIM's low flow capability, we gave it a try. Design a Flow Meter | New Interactive Website Tool. Contact us directly or find your local support team. The main technical features of GFA-202 are: The flow meter is powered by an built-in lithium battery having service life not less than 4 years. Tel ; 6113 2431, Mobile :- 8879790789, Your email address will not be published. In the transit-time ultrasonic flow meter, the transducers are upstream and downstream of each other, and each acts as a transmitter and receiver. hourly- for every preceding hour - size of archive 1488 records (62 days); daily- for every preceding day - size of archive 730 records; power on/off instances - size of archive 600 messages; emergency situations - size of archive 1000 messages; intervention - changing the adjustment parameters (size of archive 1000 messages). Although it ended up being a big project, it could have been much worse. We are the only ultrasonic flowmeter manufacturer providing non-invasive solutions for measuring the flow of gases as well as liquids. This is why a gas flow meter is needed that is both accurate and reliable.
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