Vortex flowmeter for vapor, liquid and gas, with integrated binary output. Manual model yf100 style e vortex flowmeter integral. Brief description of thermal flow meter technology. The analog 420 ma output signal offers your choice of volumetric or mass flow rate. As fluid moves across a vortex meter shedder bar, vortices form. Reducer vortex extends the measurable flow range, reduces installation costs, and minimizes project risk. However, multivariable vortex and differential pressure dp flowmeters are a fastgrowing niche within the flowmeter market.
Vortex flow meter rvl series vrxds01586en03 may 2015 product data sheet description the rvl series meter uses vortexshedding technology for repeatable flow measurement accurate to 1 percent of full scale. Vortex flow meters are suitable for measuring steam as well as a variety of liquids and gases. Basic working principle of vortex flowmeter instrumentation. The meter has no moving parts, and any potential for fluid contamination is eliminated by the corrosionresistant all plastic. Style b vortex flowmeters with ansi flanges contain a model code option for facetoface lengths that are backward compatible with style a vortex flowmeters. Versaflow vortex 100 vortex flow meter specifications 34vf0305 may 2011 the allinone solution the versaflow is the only vortex flowmeter with integrated pressure and temperature compensation in 2wire technology. The cfm1 ultrasonic meters accuracy is relative to the set point at 2%. The piping system must create some backpressure on the meter to allow vortex formation and to prevent cavitation, especially at full flow. In many applications it is advantageous to size the meter based on flow to improve the effective turndown.
The flow meters electronics convert these pressure pulses into electrical signals. Versaflow vortex 100 vortex flow meter specifications 34vf0305 may 2011 the allinone solution the versaflow is the only vortex flowmeter with integrated pressure and temperature compensation. The cfm1 ultrasonic meters accuracy is relative to the. Combined with flexible tuning, the model 84 has the widest flow range capability of any vortex meter. The frequency of the vortices shedding is proportional to the fluid velocity. Heinrichs messtechnik gmbh instruction manual dvh dve page 6 of 102 2. Vortex flow meters operate under the vortex shedding principle, where an oscillating vortexes occur when a fluid such as water flow past a bluff as opposed to streamlined body. Minimum required backpressure is 10 psig at maximum flow and at.
Vendor must install and demonstrate the operation of the vortex flow meter the vendors have. The vortex flowmeter is a broadspectrum flow meter which can be used for metering, measurement and control of most steam, gas and liquid flow for a very unique medium versatility, high stability and high. Ultrasonic flow meter the parker cfm1 is a compact ultrasonic flow meter. The vortex flowmeters are used for flow measurement of gases, vapours and liquids. Classic digitalyewflo vortex flow meters are available in a number of different sizes ranging from 12inch to 16inch. Flow meter is not suitable in the area of flow break off frequently and with intensivepulsatingfloworpressurepulsation. Insertion type vortex flowmeter are mainly used for various of industry,industrial range rate is wide,range degrees of 1015,high priceperformance ratio. The versaflow vortex flow meter provides reliable measurement of operating, standard. Working principle of vortex flow meter instrumentationtools. Volume flow measurement is enough for substances with small variations in density such as liquid. Pdf design and development of 16 inch vortex flow meter with. Vortex flow meters operate under the vortex shedding principle, where an oscillating vortexes occur when a fluid such as water flow past a bluff. Minimum required backpressure is 10 psig at maximum flow and at 70 f 21 c. The strohaul number is the ratio between the vortex interval i and the shedder bar width d.
Sensitivity to variations in the process conditions are low and with no moving parts have relatively low wear compared to other. Based on the karman vortex street, a vortex meter measures the frequency of vortices that are shed behind a bluff body that is placed in a flow stream. These versions should only be used when replacing a model 84f style a meter. A vortex flow meter is a flow measurement device best suited for flow measurements where the introduction of moving parts presents problems. For personal and system safety, and for optimum product performance, make sure you thoroughly understand the contents before installing, using, or maintaining this product. The rosemount 8800d vortex flowmeter with foundation fieldbus consists of a meter body and transmitter. Higher backpressures are required at elevated temperatures and occasional surges to 125% of maximum flow. In a vortex flow meter, an obstruction in the flow path, often referred to as a shedder bar, serves as the bluff body. Vortex flow meters have been appreciated by users as volume flow meters, which can, in principle, be applied to any flow measurement of liquid, gas, or steam.
The meter requires a nominal 24 vdc power source and outputs a visual display of flow, as well as 420 ma proportional to flow, and a field settable solid state relay for low flow alarm conditions. Versatile flowmeter with detection of wet steam conditions and bestinclass accuracy. Available in wafer, flanged, dual, weld end, and reducer and high pressure designs. For detailed information refer to the safety manual.
Sensitivity to variations in the process conditions are low and with no moving parts have relatively. Instruction manual model yf100 vortex flowmeter integral type, remote type model yfa11 vortex flow converter remote type im 1f2b401yia style e im 1f2b401yia. The smc vortex meter uses dual sensor technology, producing two. These being intrusive meters like orifice meters, will cause the pressure drop as flow is increased, resulting in a permanent loss. The meter body is installed inline with process piping. The products described in this document are not designed for nuclearqualified. Built on a foundation of measurement technology, rosemount vortex flowmeters have a wide range of options to fit a variety of process and utility applications. Vortex flowmeter flange card type vortex flowmeter tempersturepressure compensaton type vortex flowmeter inserted type vortex flowmeter sanitaryclamp type lugbtype 2 vortex flow sensor. The outputs include 420 ma and pulse for flow rate, as well as high and low alarms. For personal and system safety, and for optimum product performance, make sure you thoroughly.
The frequency of the vortex shift is directly proportional to flow rate. The vortex flowmeter must be installed within the specification conditions. Read online foxboro 84 series intelligent vortex flowmeter cth. All books are in clear copy here, and all files are secure so dont worry about it. The flowmeters case features a 4digit local display to show the current flowrate measurement and red warning lights to visually indicate high and low flowrate alarms. Vortex shedding bluff body receiver flow housing transmitter ultrasonic waves karman vortex. The strohaul number is the ratio between the vortex interval i and the. As each vortex is shed, it creates high and low pressure zones which are sensed by a piezoelectric crystal. Like most flow devices, a vortex flow meter requires a well developed and symmetrical flow velocity profile, free from any distortions or swirls if it is to give good accuracy and repeatability. Vendors must provide the data sheet indicate the pressure drop value in vortex flow meter of the vortex flow meter. Vortex flowmeters have a challenge here because the fluid being measured must be moving fast enough to generate vortices.
The result is a simpler, more reliable design that is more sensitive to flow and less sensitive to noise. Users digitalyewflo series manual vortex flowmeter. Simplified troubleshooting through device diagnostics and meter verification. Vortex flow meters flow instrumentation badger meter. It measures volumetric flow rate by detecting the vortices created by a fluid passing by the shedder bar. Final 20140922 performance testing fibre optic based vortex. Prowirl f is the multivariable flowmeter with inline wet steam measurement. This shift in the vortices is detected by a very sensitive pressure sensor and processed as a flow rate signal. The flowmeters case features a 4digit local display to show the current flowrate measurement and red warning lights. The frequency that the vortexes are shed depend on the size and shape of the body.
They are available in industrial grade, brass or all plastic construction. Vortex flowmeters, also know as vortex shedding flowmeters or oscillatory flowmeters, measure the vibrations of the downstream vortexes caused by a barrier in the moving stream. Dvh dve vortex flowmeter operating manual kobold usa. The vibrating frequency of the vortex shedding is related to the velocity of the flow. Vortex flowmeter is one kind of main flowmeters in the international for detection and metering the liquid, gas and steam. The meters come precalibrated for the specific range as determined by size. Incorporates temperature sensor into the vortex meter using the shedder bar. Demanding appplications bring change to the flowmeter industry. Refer to the product reference manual for typical flow rates for. Vortex meters are actual volume flow meters, like orifice meters. The frequency at which the vortices are alternately. The foxboro model 84 series intelligent vortex flowmeters are. A vortex flow meter works based on the principle of karman vortex street demonstrated in the below figure this principle essentially means that when an obstruction is placed in path of a flow, it can. A format variable that provides a record of the flow units to which you are converting.
Description or dtm device type manager, as well as a gsd file. The rosemount 8600d vortex flowmeter consists of a meter body and transmitter and. The strouhal number st is a dimensionless number which is a function of the shape and size of the vortex shedder. Available with wafer style or flanged style ansi class. Flow meter should install in the area of easily maintenance, without strong electromagnetic field interference, without strong mechanical vibration and thermalradiationinfluence. The accuracy is greatly increased as compared to a vortex flow meter. The vortex flowmeter is a broadspectrum flow meter which can be used for metering, measurement and control of most steam, gas and liquid flow for a very unique medium versatility, high stability and high reliability with no moving parts, simple structure and low failure rate. In addition it has higher turndown ratio, handles higher concentration acids and higher viscosity fluids. Versaflow vortex 100 vortex flow meter specifications. Vortex flow sensing technology relies on measuring the number of vortex pulses generated by a bluff body immersed in the flow stream.
Introduction to vortex flow meter technology youtube. Browse online, or one of our applications engineers can help you choose the right product for your application. Like most flow devices, a vortex flow meter requires a well developed and symmetrical flow velocity profile, free. Vortexmaster fsv430, fsv450 vortex flowmeter abb group. F l o w m o n i t o r s universal coolpoint description. Flow meter performance, validation and compliance to 40 cfr. Combined with flexible tuning, the model 84 has the widest flow. The devices detect fl ow rates between 2 and 20 imin with a repeatability of 2 % f.
A vortex flow meter measures flows of liquids, gases and steam by sending the frequency at which vortices are alternately shed from a bluff body. The development of a multichannel vortex flowmeter using a. Common methods used for the validation or calibration of thermal flow meters. Rosemount 8800d series vortex flowmeter read this manual before working with the product. The vortices develop very regularly within the permitted application limits of the device. Calibration certificate should be submitted with the product. All flow meter connections, isolation valves and fittings for coldhot tapping must have the same or higher pressure rating as the main pipeline. Areas of application monitoring the flow of low viscosity liquids measuring aggressive, highpurity, or salty solutions dvz1. Sierra series 240 and 241 innovamass multiparameter. The smc vortex meter uses dual sensor technology, producing two independent vortex signals which allows for signal amplification and common mode noise reduction. Foxboro 84 series intelligent vortex flowmeter cth. The frequency at which the vortices are alternately shed is directly proportional to the flow velocity.
Delivery should be made within 2 months from the date of purchase order. Be careful that no damage is caused to personnel through accidentally dropping it. They are available in industrial grade, brass or all. For series 241 insertion flow meter installations, an. Download foxboro 84 series intelligent vortex flowmeter cth. Yokogawas yewflo vortex flowmeter has employed a dual piezoelectric. Generally, vortex flow meters are not used in twophase flow metering mainly because of the high overreading. Flow meter performance, validation and compliance to 40.
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