Turbine flowmeters measure volumetric flow, where fluid passing through the meter body is measured by the mean velocity of the flowing fluid media. It consists of a flow tube with end connections and a magnetic multi bladed free spinning rotor impeller mounted inside. The angular velocity of the rotor results in the generation of an electrical signal ac sine wave type in the pickup. Hoffer oval gear positive displacement flow meters. The turbine flowmeter better described as an axial turbine translates the mechanical. Reference documents acceptance standards for each check as applicable. Turbine flow meter is a volumetric measuring turbine type. Turbine flow meters are designed to maximize throughout and minimize pressure drop, maintain high flow rates over an extended flow range and offer pulse. The dot is a highly accurate turbine flowmeter used to measure the flow of clean, low viscosity liquids. Flow through the turbine meter is from left to right. The volume of gas passing through the meter, at the operating pressure and temperature, is indicated on a counter in units of volume m3. Turbine flow meter use a freespinning turbine wheel to measure fluid velocity, much like a miniature windmill installed in the flow stream turbine flow meter. The volume registered can be converted to a reference volume by application of a volume integrator.
The instromet x turbine meter is an integrating flow meter for the measurement of gases. The ltr turbine flow meter with frequency output provides a precision solution to the flow measurement. Turbine flow meter model 1100 product data sheet description the model 1100 turbine flow meter is designed to withstand the demands of the most rigorous flow measurement applications. These meters are used in multiple industries to reliably measure the velocity of a variety of liquids, gases and vapors. The unit has optional temperature compensation which makes adjustments to the flow calculations as needed with temperature fluctuations. Recommended installation of an inline gas turbine meter minimum lengths figure 2. Pdf in the modern age of industrialization measuring the flow of fluid in an industry is a major issue for controlling the production process. Flow rate 112000 gpm 445500 lpm tmc series line size. Pdf design and fabrication of a turbine flow meter researchgate. Turbine flow meter b1500 series product data sheet shown with blancett b000 description blancett b1500 turbine flow meters have exceptional mechanical linearity, resulting in minimizing, or negating, temperature induced viscosity influence. Piping should be the same size as the meter bore or port. Combined p, t and q measurement possible with additional sensors. We provide fullservice maintenance, calibration and rebuilding of turbine flow meters at very competitive prices. As each turbine blade passes through the magnetic field generated by the meters magnetic pickup, an ac voltage pulse is.
The turbine meters also minimize fiscal measurement uncertainty by delivering highfrequency pulse resolution to account for minute increments of the flow rate. Versatile this meter is capable of measuring flow in line sizes from 12 to 2. Helical turbine the typical helical turbine for kinetic and ultra low head hydropower systems is shown in. Utilizing an all stainless steel body and shaft, with a nickel rotor, the meter is capable of handling a temperature range of 450f to 450f. Industry standard the trg series flow meter comes with a standard npt end connection for universal applications. The forward and rear suspension act as flow guides, ensuring fluid motion through the meter is parallel to the meter s centerline. Its main component is an axial turbine wheel turning freely in. Under certain conditions, the rotation speed of blade will be in direct proportion to the flow velocity. Sensus metering systems turbometers markii and autoadjust. Transitional piping straightens the flow and regulates velocity in order to present the turbine flow meter with a repeatable flow stream, ensuring accurate flow measurement. Please notify the onicon customer service department if any documents are missing. Flow impinging upon the angular blade causes the rotor to spin at an angular velocity proportional to flow rate.
What links here related changes upload file special pages permanent link. Altm turbine flow meters hereinafter referred to as turbines are used for the. The volume registered can be converted to a reference volume nm3 by application of a volume integrator such. Since the publication of api standard 2534 measurement of liquid hydrocarbons by turbine meter systems in march, 1970, the turbine meter has gained broad acceptance for custody transfer. Fluid entering the meter first passes through an inlet flow straightener that reduces its turbulent flow pattern. Shown is a dual rotor meter with its casing removed and a single rotor meter with casing and a magnetic pickoff to record the rotors frequency. Turbine flow meter measuring principle the turbine meter is an indirect volumetric meter. A lightweight turbine wheel carried concentrically in the tube body is rotated by the fluid. Pcb layout downloadable pdf files are provided at bottom of the page.
The turbine wheel is set in rotation by the fluid at a speed which is directly proportional to the average velocity of the fluid in the free crosssection of the turbine meter. Turbine meters began to be applied extensively in the petroleum industry in the mid1960s. For pressure measurement the turbine is equipped with an ema3 quick coupling. Turbine flow meter quiksert product data sheet description the quiksert inline turbine flow meter was developed for liquid applications where accuracy and dependability are needed. Turbine flow meters use the mechanical energy of the liquid to rotate a rotor in the flow stream. Woltman turbine meter wphmagnetic drive, dry type 40500 mm bermad waterworks heavy duty,particularly suited for high flow rates, turbobar wph water meters cover a very wide flow range. The flowing fluid engages the rotor causing it to rotate at an angular velocity proportional to the fluid flow rate. The blade will rotate as the friction moment and the fluid resistance are overcome andit willreachastable speedwhen themomentsare at balance. The helical turbine, in particular, is one of the most efficient of those cross flow machines.
Flow monitors highly accurate cryogenic flow measurement the tmc series cryogenic turbine flow meter is specifically engineered for extreme temperature applications. Its main component is an axial turbine wheel turning freely in the flowing liquid. The frequencies thus produced are processed by digital electronics. The sturdy construction of this turbine flow meter means high performance and longer service life at an affordable price. This includes working on other companies equipment, and customtailoringupgrading meters to fit your application. The ctr turbine flow meter has a builtin microcontroller that conditions the signal from the flow meter to provide an accurate analogue output. Guidance on this subject is offered in the api manual of petroleum measurement. The piping is implemented in two sections, an upstream section and a downstream section.
Archived pdf from the original on 25 september 2015. Turbine flow meter working principle instrumentationtools. Flow measurement is the quantification of bulk fluid movement. Short coupled installation of an inline gas turbine meter minimum lengths. The flow meter must be installed with the flow arrow, etched on the exterior of the meter body, pointing in the direction of fluid flow. Optional sure protocol converter mode power supply display output type modbus rs485 hart 24vdc battery pulse scaled pulse current 2 wire 3wire 3wire 420ma 420ma 020ma n a e1 e2 e3 e4 e5 h d1 d2. Originally developed for the secondary oil recovery market, the model 1100 is an ideal meter for liquid flow measurement on or off the oil field. The frequency at which the blades turn represents a given flow because each blade sweeps out a fixed volume of fluid. Turbine flow meter axial turbine meter smartmeasurement. Based on the woltmann principle,the helical blades of. Daniel series 1200 and 1500 liquid turbine flow meter systems combine turbine.
Turbine flowmeter turbine flowmeter designed to handle a wide variety of liquids at extreme pressures application the etl3 1502 flowmeter is a rugged, versatile meter that has been designed to meet the demanding applications associated with the oil and petrochemical industries. Jun 09, 2016 arduino flow meter circuit flow meter pcb layout. Prior to installation, the flow meter should be checked internally for foreign material and to ensure the turbine rotor spins freely. Having shorter pipe lengths, other system components and elbows to close to the flow meter may adversely affect the accuracy and repeatability of the flow meter. Brief description of thermal flow meter technology. Flow rate 112000 gpm 445500 lpm tmc series line size 12. Turbine meters can consist of a single rotor or dual rotors.
Turbine flowmeters measure volumetric flow, where flow passing through the tube is measured by the mean velocity of the streaming fluid. The volume of gas passed through the meter, at the operating pressure and temperature, is indicated on a counter in units of volume cuf or m3. Fluid flow through the meter impinges upon the turbine blades which are. The rotational speed of the rotor is directly proportional to the velocity of the fluid travelling through the meter. The model 1100 turbine flow meter is designed to withstand the demands of the most rigorous flow measurement applications. Select with your maximum flow at 50% to 100% of the max flow listed above to have sufficient rangeability. Consequently all the important measurement parameters are available at one measuring location. The instromet q 75 turbine gas meter is an integrating flow meter for the measurement of gases. Fluid lines should also be checked and cleared of all debris. As the turbine blades pass the magnetic field, generated by the pickoff, a frequency signal is generated.
We are using timerone library for display scan time generation. Stainless steel construction with tungsten carbide bearings provides long life with a wide range of aggressive and. Applications mobile diagnostic pq measurement hydraulic tests with load valve. The industrial grade gpi g2 turbine flow meter offers durable, compact, and high precision fluid measurement. Meters come with national pipe thread npt or flange process fittings, sizes up to two inches and can be. As fluid flows through the meter, the velocity of the fluid creates rotational energy on the turbine rotor. Gpi g2 turbine flow meter turbine flow meters instrumart. We provide best solutions that will meet the extreme conditions.
The rpm of the turbine wheel is directly proportional to the mean flow rate within the meter body and directly corresponds to the volumetric flow over a wide range. Design the dot is a highly accurate, reliable and robust turbine meter used to measure the flow of clean low viscosity liquids. Quikserts stainless steel body incorporates a helical turbine with tungsten carbide shaft and bearing. They are used in industrial,waterworks,water distribution,water monitoring and agricultural applications. Dynamics of turbine flow meters technische universiteit eindhoven. These are provided in hdpe for simplifying the installation of wafer style turbine flow meters. The rpm of the turbine wheel is directly proportional to the mean flow velocity within the tube diameter and. Originally developed for the secondary oil recovery market, the model 1100 flow meter is an ideal meter for liquid flow measurement on or off the oil field. Select by flow rate with user estimated max flow at midscale of max flow for the model so that there is sufficient rangeability for the meter, eg tm0050 for flows between 4 and 8 max. Turbine flow meters are designed to maximize throughout and minimize pressure drop, maintain high flow rates over an extended flow range and offer pulse output that is linear to the flow rate.
Common methods used for the validation or calibration of thermal flow meters. The output frequency is used to represent flow rate andor totalization of fluid passing through the turbine flow meter. By combining a turbine and a basic flow sensing device with a directmounted, microprocessorbased computer, the entire gpi g2 turbine flow meter system is incorporated into one device which is fm approved for intrinsically safe class 1, division 1 uses. A lowmass turbine wheel carried concentrically within the meter body is rotated by the fluid. Flotech turbine flow meters measure the flow rate of hydraulic and compatible liquids. Smcs lowcost altm turbine flow meters are used for the precise measurement of instantaneous flow rates of lowviscosity fluids such as tap and demineralised. Fml250 user manual universal flow monitors flow meters. Flow rectifiers ensure a laminar flow in the axial direction of the wheel. Fluid then passes through the turbine, causing the turbine to rotate at a speed proportional to fluid velocity. Universal flow monitors fml250 user manual revision a page 1 description the fml250 flow monitor is a microcontroller based rate totalizer designed for liquid applications. Turbine flow meter working principle turbine meters are simple to operate and maintain, and in service worldwide as a reliable, costeffective method for achieving accurate flow measurement. Publishers pdf, also known as version of record includes final page, issue and. Flow meter performance, validation and compliance to 40 cfr.
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