Dynamics of turbine flow meters technische universiteit eindhoven. As fluid flows through the meter, the velocity of the fluid creates rotational energy on the turbine rotor. Turbine flow meter is a volumetric measuring turbine type. The ctr turbine flow meter has a builtin microcontroller that conditions the signal from the flow meter to provide an accurate analogue output. 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. For pressure measurement the turbine is equipped with an ema3 quick coupling. 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. Flow rate 112000 gpm 445500 lpm tmc series line size 12. Prior to installation, the flow meter should be checked internally for foreign material and to ensure the turbine rotor spins freely. Turbine flow meter measuring principle the turbine meter is an indirect volumetric meter. Altm turbine flow meters hereinafter referred to as turbines are used for the. Turbine flowmeters measure volumetric flow, where fluid passing through the meter body is measured by the mean velocity of the flowing fluid media.
Design the dot is a highly accurate, reliable and robust turbine meter used to measure the flow of clean low viscosity liquids. The rotational speed of the rotor is directly proportional to the velocity of the fluid travelling through the meter. Guidance on this subject is offered in the api manual of petroleum measurement. These meters are used in multiple industries to reliably measure the velocity of a variety of liquids, gases and vapors. It consists of a flow tube with end connections and a magnetic multi bladed free spinning rotor impeller mounted inside. 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. Quikserts stainless steel body incorporates a helical turbine with tungsten carbide shaft and bearing. 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. Flow measurement is the quantification of bulk fluid movement. Its main component is an axial turbine wheel turning freely in.
Stainless steel construction with tungsten carbide bearings provides long life with a wide range of aggressive and. 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. Pdf in the modern age of industrialization measuring the flow of fluid in an industry is a major issue for controlling the production process. A lowmass turbine wheel carried concentrically within the meter body is rotated by the fluid. The ltr turbine flow meter with frequency output provides a precision solution to the flow measurement. The blade will rotate as the friction moment and the fluid resistance are overcome andit willreachastable speedwhen themomentsare at balance. What links here related changes upload file special pages permanent link. Reference documents acceptance standards for each check as applicable. Turbine flow meter axial turbine meter smartmeasurement. Short coupled installation of an inline gas turbine meter minimum lengths. Its main component is an axial turbine wheel turning freely in the flowing liquid. The instromet x turbine meter is an integrating flow meter for the measurement of gases. As each turbine blade passes through the magnetic field generated by the meters magnetic pickup, an ac voltage pulse is.
Meters come with national pipe thread npt or flange process fittings, sizes up to two inches and can be. Recommended installation of an inline gas turbine meter minimum lengths figure 2. 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. Smcs lowcost altm turbine flow meters are used for the precise measurement of instantaneous flow rates of lowviscosity fluids such as tap and demineralised.
The output frequency is used to represent flow rate andor totalization of fluid passing through the turbine flow meter. Flow rate 112000 gpm 445500 lpm tmc series line size. The flowing fluid engages the rotor causing it to rotate at an angular velocity proportional to the fluid flow rate. 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. The rpm of the turbine wheel is directly proportional to the mean flow velocity within the tube diameter and. These are provided in hdpe for simplifying the installation of wafer style turbine flow meters. 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. The volume registered can be converted to a reference volume nm3 by application of a volume integrator such. Based on the woltmann principle,the helical blades of. 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. We provide best solutions that will meet the extreme conditions. Flow rectifiers ensure a laminar flow in the axial direction of the wheel. We provide fullservice maintenance, calibration and rebuilding of turbine flow meters at very competitive prices.
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. Under certain conditions, the rotation speed of blade will be in direct proportion to the flow velocity. The angular velocity of the rotor results in the generation of an electrical signal ac sine wave type in the pickup. Versatile this meter is capable of measuring flow in line sizes from 12 to 2. Turbine meters can consist of a single rotor or dual rotors. They are used in industrial,waterworks,water distribution,water monitoring and agricultural applications. Fluid lines should also be checked and cleared of all debris. Flow through the turbine meter is from left to right. Industry standard the trg series flow meter comes with a standard npt end connection for universal applications.
The model 1100 turbine flow meter is designed to withstand the demands of the most rigorous flow measurement applications. A lightweight turbine wheel carried concentrically in the tube body is rotated by the fluid. Helical turbine the typical helical turbine for kinetic and ultra low head hydropower systems is shown in. Turbine meters began to be applied extensively in the petroleum industry in the mid1960s.
Flotech turbine flow meters measure the flow rate of hydraulic and compatible liquids. The frequencies thus produced are processed by digital electronics. The forward and rear suspension act as flow guides, ensuring fluid motion through the meter is parallel to the meter s centerline. 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 volume of gas passing through the meter, at the operating pressure and temperature, is indicated on a counter in units of volume m3. Fml250 user manual universal flow monitors flow meters. 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. 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. 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. Daniel series 1200 and 1500 liquid turbine flow meter systems combine turbine. Flow monitors highly accurate cryogenic flow measurement the tmc series cryogenic turbine flow meter is specifically engineered for extreme temperature applications.
Jun 09, 2016 arduino flow meter circuit flow meter pcb layout. The piping is implemented in two sections, an upstream section and a downstream section. The volume registered can be converted to a reference volume by application of a volume integrator. Piping should be the same size as the meter bore or port. 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. Gpi g2 turbine flow meter turbine flow meters instrumart. The turbine flowmeter better described as an axial turbine translates the mechanical. The industrial grade gpi g2 turbine flow meter offers durable, compact, and high precision fluid measurement. We are using timerone library for display scan time generation. Hoffer oval gear positive displacement flow meters. The helical turbine, in particular, is one of the most efficient of those cross flow machines. As the turbine blades pass the magnetic field, generated by the pickoff, a frequency signal is generated.
Turbine flow meter working principle instrumentationtools. Publishers pdf, also known as version of record includes final page, issue and. 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. Please notify the onicon customer service department if any documents are missing. 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. Fluid then passes through the turbine, causing the turbine to rotate at a speed proportional to fluid velocity. Turbine flowmeters measure volumetric flow, where flow passing through the tube is measured by the mean velocity of the streaming fluid. 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. Archived pdf from the original on 25 september 2015. 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. The instromet q 75 turbine gas meter is an integrating flow meter for the measurement of gases. 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. Fluid flow through the meter impinges upon the turbine blades which are. Select with your maximum flow at 50% to 100% of the max flow listed above to have sufficient rangeability.
Brief description of thermal flow meter technology. Consequently all the important measurement parameters are available at one measuring location. The sturdy construction of this turbine flow meter means high performance and longer service life at an affordable price. The turbine meters also minimize fiscal measurement uncertainty by delivering highfrequency pulse resolution to account for minute increments of the flow rate. 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. Pcb layout downloadable pdf files are provided at bottom of the page. Flow impinging upon the angular blade causes the rotor to spin at an angular velocity proportional to flow rate. Pdf design and fabrication of a turbine flow meter researchgate. 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.
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. Sensus metering systems turbometers markii and autoadjust. The fundamental design goal of a turbine flow meter is to make the turbine element as freespinning as possible, so no torque will be required to sustain the turbines rotation. The unit has optional temperature compensation which makes adjustments to the flow calculations as needed with temperature fluctuations. 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.