Flow Solutions | Tek-Trol Technology Solutions

May 30, 2017

by the_admin in Flow Measurement

Flow and Level Measurement

Instrumentation technology has witnessed dramatic developments in past few decades. Numerous techniques have been researched and developed using various physical phenomena to fulfill demand of flow and level measurement of thousands of industrial process control applications and these advancements will continue to go on. However, stipulating a flow or level meter that can consistently perform satisfying all anticipated process conditions is still a complex and challenging task. Instrumentation technology has witnessed dramatic developments in past few decades. Numerous techniques have been researched and developed using various physical phenomena to fulfill demand of flow and level measurement of thousands of industrial process control applications and these advancements will continue to go on. However, stipulating a flow or level meter that can consistently perform satisfying all anticipated process conditions is still a complex and challenging task. Almost all the conventional flow and level meters used complex mechanical designs with multiple moving parts. Involvement of mechanical design naturally comes with wear-and-tear and thus additional maintenance cost. Automatically users prefer to avoid such mechanical and electromechanical instruments and opt for more robust electronic devices which have minimum or no moving parts. The base theory behind latest technology existed even back in a decade or two. But advancement in electronics, materials and manufacturing methods has improved the sustainability of products in rigorous environment and pre-integration of assemblies has made its installation easier. This is the main reason of growing popularity of latest flow meters such as Coriolis, ultrasonic and Vortex. Ultrasonic technology has widened its […]

Accuracy and Uncertainty in Measurements

May 17, 2017

by the_admin in Flow Measurement

Accuracy and Uncertainty in Measurements

Accuracy and Uncertainty in Measurements Process control systems involve measurement of a number of parameters outcome of which is reflected in control action taken by the system. Therefore correctness of measurement has utmost importance and manufacturer of process measurement instruments is committed to ensure and provide accuracy that is claimed to be. Accuracy and uncertainty closely affect the performance but unfortunately, these terms are often used inappropriately in specifications and thus can be misguiding. Therefore, it is essential to know the reference of these terms. When mentioned in percentage it is important to know whether it is based on full scale (FS) or actual reading (AR). Let’s consider an example of the ultrasonic flow meter to understand its performance dependencies. Ultrasonic flow meters are widely used in pipe flow measurement, custody transfer, and flow survey. These meters are considered to be advantageous over conventional flow meters. The ultrasonic metering technique works on the physical characteristic of a sound wave that changes frequency when it gets reflected by particles in motion in process media. Hence, the performance of ultrasonic flow meters depends on two major factors: the nature of the process fluid and the meter’s linkage. It requires an acoustically conductive process fluid through which a sound wave can be transmitted and its reflections can be detected. Linkage of the meter is nothing but the connection between the adjacent mediums. For example, a linkage between the transducer – pipe wall, pipe wall – lining (if present) and lining – process fluid. […]

What calibration means for your Flowmeter

April 10, 2017

by the_admin in Flow Measurement

What calibration means for your Flow Meter?

A calibration process involves correctly setting up the measuring instrument so that it enables accurate reading on the scale. In other words, the comparison of an instrument or a measuring device to a standard reference is known as Calibration. INTRODUCTION: A calibration process involves correctly setting up the measuring instrument so that it enables accurate reading on the scale. In other words, the comparison of an instrument or a measuring device to a standard reference is known as Calibration. So, in nutshell, the concept of calibration basically conveys that a measuring device ought to be tested initially and then adjusted so that it reads correctly. CALIBRATION VS. RECALIBRATION After the manufacturing process is over, flow meters like any other measuring device must first be calibrated before putting them out to use. Majority of the manufacturers own, self-calibration facilities for carrying out initial testing. Though, for exceptional cases where flow meters require to be tested under extreme conditions that cannot be managed by the manufacturer, they are sent to a big independent facility. For example, to calibrate large line size gas ultrasonic flow meters for custody transfer applications, the calibration facility must be equipped to handle high-pressure conditions with high speed flowing natural gas that usually costs millions of dollars to build. Hence, in such cases, manufacturers delegate this task to specialized calibration units. However, when we calibrate a Flow Meter that has already been in application for quite some time, the process happens to be known as Recalibration. Various techniques […]

Tag Archives: Flow Solutions

Flow and Level Measurement

Accuracy and Uncertainty in Measurements

What calibration means for your Flow Meter?

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