Practical aspects of turbine flow meters calibration and uvc. Turbine flow meters troubleshooting instrumentationtools. Alternate pairs across the two lmes are also 90 electrically out of phase. We provide best solutions that will meet the extreme conditions. Its output frequency has a linear relationship to gas velocity over a wide flow range. The model mcii flow analyzer was designed to be mounted either directly atop its companion flow meter or, with optional hardware, on vertical or horizontal 2 pipe. These meters are used in multiple industries to reliably measure the velocity of a variety of liquids, gases and vapors. Turbine flow meter paddled wheel flow meter 1 rotation 367l turbine 1 rotation 367l turbine. As liquid flows through the meter and over the rotor, the rotor turns at a speed that is directly proportional to the flow rate. The angular velocity of the rotor results in the generation of an electrical signal ac sine wave type in the pickup. With comparatively low pressure drop for inline meters, turbine flow meters deliver unprecedented accuracy. Flow signal can be divided into pulse signal and current signal 420ma. List of approved closed conduit flow meters idaho department of.
Nuflo liquid turbine flow meters turbine meter company. The rotational speed of the rotor is directly proportional to the velocity of the fluid travelling through the meter. Fluid flow through the meter impinges upon the turbine blades which are free to rotate. Combined p, t and q measurement possible with additional sensors. Meter designs are of the variablearea type and operate with a relatively low, pressure drop. The frequency is a representation of the water current traveling through the flow meter. Each meter is precisely calibrated before shipment. It is widely used for liquids which are not corrosive to stainless steel, and do not have fibre or particles. The frequencies thus produced are processed by digital electronics. Flow rate and total may be simultaneously displayed on a two line 16 line character alphanumeric display that indicates unit of measure. Blancett 1100 turbine flow meter turbine flow meters. Meter is a leading marketer and manufacturer of flow measurement and control devices since 1905. Find manuals, installation sheets, and other technical documents here for you to download.
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. Reassembling the hexbody meter an arrow indicating direction of flow is cast or engraved on the meter body, rotor, and vanes. The nuflo gas turbine flow meter provides accurate gas flow measurement by utilizing a lightweight, low inertia rotor to sense gas velocity. Flow through the meter is caused by differential pressure across the measuring chamber. Flow meter is a device that measures the rate of flow or quantity of a moving fluid in an open or closed conduit. Operating manual flow meters vsi upgrade high definition download.
When choosing flow meters, one should consider such intangible factors as familiarity of plant personnel, their experience with calibration and maintenance, spare parts availability, and mean time between failure history, etc. A turbine flow meter is a liquidgas velocity measurement device. It features a rugged 316 stainless steel housing and rotor support assemblies, cd4mcu stainless steel rotor, and abrasiveresistant tungsten carbide rotor shaft and journal bearings. Flow measuring devices are generally classified into four groups. Practical aspects of turbine flow meters calibration and uvc principles by. Data based on h 2o for liquidsair for gases model description chart lc 14 mbnla4htx gross pressure drop psid min. The working principles and design of turbine flow meters are well documented. That is, if the flow area decreases, the flow velocity must increase to maintain the same volumetric flow rate and viceversa. Due to the laws of physics, for optimum results any flow meter including turbine flow meters should be operated as high up in their turndown range as possible. As our valued customer, our commitment to you is to provide fast reliable service and. This meter has low price, integrated high quality, small volume.
Turbine flow meter manufacturers and suppliers iqs directory. The basic theory behind daniel liquid turbine meters is relatively simple. The rpm of the wheel is in proportion to the mean flow velocity. Each mcii is calibrated for operation with a particular flow meter at the factory, but it can be recalibrated for any compatible flow. July 2006 ft series turbine flowmeters installation, operation and maintenance manual the specifications contained in this. Nuflo liquid turbine flowmeter sky eye measurement. No gas in a liquid meter will cause the meter to read high and can cause catastrophic failures. A flow meter is an instrument used to measure linear, nonlinear, mass or volumetric flow rate of a liquid or a gas. The meter tracks the flow rate continuously, offers little resistance to flow and has a unique cartridge.
Sonic 207i transittime ultrasonic flow meter is the. Use with blancett turbine flow meters as well as other flow meters with a frequency output battery 1. Peak flow meters come in two ranges to measure the air pushed out of your lungs. Tfxl flow meter an economical meter designed to replace mechanical flow meters, tfxl flow meter outputs square wave or turbine meter simulated signals or 420 ma. These meters are typically ordered with attached flow monitor display see fml250 data sheet. The angular rotational velocity of the turbine rotor is. Meter size and flow range selection detailed below are the considerations that should be taken into account when sizing a flow meter. The blade will rotate as the friction moment and the fluid resistance are overcome andit willreachastable speedwhen themomentsare at balance. Under certain conditions, the rotation speed of blade will be in direct proportion to the flow velocity. Badger meter europa gmbh is responsible for the international operations worldwide, except for the united states, mexico, canada and latin. Series 1200 and 1500 liquid turbine flow meters can be fabricated with adjacent tube sections.
Turbine flow meter installation and operation guide. Nuflo turbine flow meters indicate flow rate and measure total throughput. Turbine flow meter working principle instrumentationtools. The model 2000 is a volumetric flow rate indicatortotalizer that provides local display and transmits flow data for control capability. Iqs directory is a top industrial directory listing of leading industrial turbine flow meter manufacturers and suppliers.
You must measure both to calculate density to measure mass flow and energy. Linear flow for estimating pressure drop on liquids other than water at room temperature. Introduction we, at onicon incorporated, would like to thank you for purchasing our quality, u. The blancett 1100 turbine flow meter is designed to withstand the demands of the most rigorous flow measurement applications. Media in category flow meters the following 104 files are in this category, out of 104 total. Our turbine meters are available in a range of materials including pvc, pvdf, nylon, stainless steel, aluminium and bronze. Slippage through the clearances of a pd meter can be characterized by the equation in figure. Pdf file f turbine catalog sheet pdf file f1500 insertion turbine flow meter catalog sheet. Flow meter body is a sturdy, onepiece construction, precision. A turbine flow meter is used for volumetric total flow andor flow rate measurement and has a relatively simple working principle. As liquid flows through the meter and over the rotor, the. Vanes are designed to fit into four notches inside the meter body. User manual pn 39008515, rev af march 2019 daniel series 1500 liquid turbine meter nps 3 through 24. Liquid going through a gas meter will cause erroneous.
The signal provided by a turbine meter also has a high frequency so it does not get distorted during transmission to data acquisition and monitoring systems. The flowing fluid engages the rotor causing it to rotate at an angular velocity proportional to the fluid flow rate. The hlwgy series turbine flow meters have a simple structure, high accuracy, good repetitiveness, fast response time and easy maintenance. By putting this fml250 part number at the end of the model selected, it will come installed on the meter. When the meter is assembled, all arrows must point in the direction that product will flow through the meter. The meter has a wide range and can accommodate very low flow rates as well as a high speed of flow. Since the turbine meter infers volume as a function of. Select with your maximum flow at 50% to 100% of the max flow listed above to have sufficient rangeability. Transducers for tfx ultra and tfxl multiple options are available for a variety of pipe sizes and. Turbine meters can consist of a single rotor or dual rotors. Flow through the meter not accounted for in the measurement chamber but which flows though these clearances is commonly known as slippage. Hm series turbine flow meters operating instructions quality system certified to din en iso 9001 general the measuring medium passes through the turbine flow meter in axial direction rotating the wheel. The book, principles and practice of flow meter engineering by l. Spink 1, first published in 1930, is generally recognised as the first, and for many years the only, definitive collected body of knowledge appertaining to industrial flow measurement.
Turbine flowmeter series f7002 general f7002 turbine flow meters f7002 turbine flow meters hereinafter referred to as turbines are used for the precise measurement of instantaneous flow of lowviscosity fluids rates and flow quantities such as. Total flow value kept for 10 years after power off. Hoffer oval gear positive displacement flow meters. B c d f e a installation and instruction manual for universal flow monitors, inc. Flow meter may be supplied with two lmes, offering up to four pulse outputs. Innovasonic the transittime ultrasonic flow meters for precise. The flow meter may be installed in any orientation vertical, horizontal, etc. If the volumetric flow rate being moved through a meter remains constant, a change in flow area will produce a corresponding inverse response in fluid velocity.
Hm series turbine flow meters operating instructions. In addition, the turbine meter design is both reliable and flexible in use. Align the meter bore with the pipe, ensuring that the direction of flow corresponds with the direction of the arrow engraved on the meter body. The turbine flow meter contains a free spinning turbine rotor that turns at a speed that is proportional to the flow velocity. A magnetic pickup senses the rotor blades as they pass and generates an electrical sine wave signal. Attach the meter to the end connections provided using customer. Turbine flow meter is a volumetric measuring turbine type. Most times the relationship between water current frequency and volume is not linear, and complex math must be used to derive the flow rate.
As fluid flows through the turbine meter, it impinges upon turbine blades that are free to rotate about an axis along the center line of the turbine housing. Turbine flow meters we offer a variety of turbine flow meters suitable for low to medium viscosity lubricating fluids, nonlubricating fluids and dry gas. Turbine flow meter manual 0514 072 518 page 4 section 1. Our pickups in the flow meter detect the rpm of the wheel through the body of. The frequency at which the blades turn represents a given flow because each blade sweeps out a fixed volume of fluid. Piping should be the same size as the meter bore or port. Telephone 480 2403400 fax 480 2403401 ft series turbine. Meter size selection flow meter size selection should be based on the instantaneous. The flow meter mounts directly in the flow line and consists of a cylindrically bored housing, a flow straightener and turbine assembly, and a magnetic pickoff, as shown in figure 1. Straight pipe length the required minimum length of straight. Halliburton turbine flow meters indicate flow rate halliburton liquid turbine flow meters and measure total throughput of a liquid line.
Although designed to measure volumetric flow, a turbine meter responds to the. Function explanation turbine flow sensortransmitter this type of flow meter has no function of live show, only transmit flow signal far away to output. Due to the laws of physics, for optimum results any flow meter including turbine flow meters should be. Undergoing nine revisions, the last addition was printed in 1978 21. A low range peak flow meter is for small children, and a standard range peak. 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. It offers an output frequency that has a linear relationship to gas velocity over a wide flow range tracking the flow rate continuously. Turbine flow meters use the mechanical energy of the liquid to rotate a rotor in the flow stream. For dongyang turbine flow meters, you should provide a backpressure downstream pressure of at least 1. Badger meter was a pioneer in flow measurement and can look back today at many patents in that field.