## EMERSON (2005) Flow Measurement

This manual discusses gas flow measurement based on philosophies expressed in AGA (American Gas Association) and API (American Petroleum Institute) guidelines. NOTE: AGA and API do not certify manufacturers’ equipment for flow measurement. Products of The Flow Computer Division of

## Pressure Temperature Compensation Formula

What is Flow Compensation? Why do you do process temperature and pressure flow compensation? In steam or gas flow measurement, the density of the steam or gas changes as pressure and temperature change. This change in density can affect the accuracy

## RESTRICTION ORIFICE SIZING VAPOR and GAS FLOW CALCULATOR (RO)

Sorry for the inconvenience! We are consolidating all of our calculators in a new section. Please click here to go !

## MCCROMETER(2011) V-CONE FLOW METER TECHNICAL BRIEF

The McCrometer V-Cone® Flow meter is a patented technology that accurately measures flow over a wide range of Reynolds numbers, under all kinds of conditions and for a variety of fluids. It operates on the same physical principle as other

## RESTRICTION ORIFICE SIZING LIQUID FLOW CALCULATOR (RO)

Sorry for the inconvenience! We are consolidating all of our calculators in a new section. Please click here to go !   1. Overview The restriction orifice (RO) is used basically to control or restrict the flow that flows through

## Spirax sarco (2000) Orifice plate flowmeters

In many of today’s industrial processes, it is essential to measure accurately the rate of fluid flow within a system as a whole or in part. This applies equally to gases and liquids (e.g. carbon dioxide, nitrogen, liquors etc.) which are an integral part

## Orifice Plate Installation Guidelines

1.Introduction – Installing an Orifice Meter At the end of this post you will find the EMERSON document who explains the basic orifice plate installation guidelines, including: orifice plate tap orientation orifice plate tapping locations orifice tapping etc… This post

## EMERSON (2015) Flow – DP Flow Introduction

This handbook is intended to help engineers and process technicians bring all the elements of DP Flow together in a comprehensive reference. The book will present enough theory and technical background to provide a solid context for engineering, procurement, and

## EMERSON (2014) How Differential Pressure Flow Works

In this video you will learn about different primary element types and how they work, the conventional to modern transition of installation practices, and the functionalities within a differential pressure transmitter.

## ABB (2011) Industrial Flow Measurement Basics and Practice

In the recent decades, the market for the products of the industrial process industries has changed greatly. The manufacture of mass products has shifted to locations where raw materials are available economically. Competitive pressures have forced a swing to specialization

## FOXBORO (1969) Gas Flow Computing

Very old manual from FOXBORO about gas flow computing using pneumatic computers! Basics about Flow compensation on Pressure and Temperature. Read it! FOXBORO-1969-Gas-Flow-Computing.pdf

## EMERSON (2015) Flow – Fluids Basics and Concepts

This chapter presents an overview of the physical properties of fluids, a review of basic concepts, and covers the fundamentals required to understand the theory of measuring flow, which is presented in Chapter 3. A fluid is a substance that

## EMERSON (2015) Flow – Theory of DP Flow

Chapter 3 covers the theoretical and computational details for DP Flow. Its purpose is two-fold: Introduce industry users to some of the general aspects of fluid flow and specifically DP Flow technologies Explain the underlying assumptions and approaches behind the

## How Multivariable Transmitters Work

This video provides an in depth explanation of how multivariable pressure transmitters combine three measurements into one to lower overall installation cost and make a more accurate flow measurement. The mass flow equation is altered by factors such as density

## Orifice Plate Calculator – FREE

1. Overview The intention of this general description is only to update the basic knowledge of your technical studies, it can also be an introduction to the topic, but the reader must have a basic knowledge about fluid dynamics

## EMERSON (2001) Fundamentals of Flow Metering

Measuring fluid flow is one of the most important aspects of process control. In fact, it may well be the most frequently measured process variable. This bulletin describes the nature of flow and factors affecting it. Devices commonly used to

## Emerson (2013) Rosemount DP Flowmeter Rangeability

One of the most common DP Flow Myths is that the rangeability of DP Flow technology is typically 3:1. This misperception is usually promoted by competing technologies that claim “high” rangeability of 20:1 or better. Rangeability is usually defined as

## Endress Hauser (2015) The Differential Pressure Flow Measuring Principle

Very interesting VIDEO about how Differential Pressure Flowmeters works! A must for any instrumentation technician! Watch it!

## Moore (1999) Reference Flow Measurement

Reference flow measurement concepts! Simple and good!   Moore (1999) Reference Flow Measurement

## DRESSER (2003) The Application of Temperature and Pressure Correction Factors in Gas Measurement

COMBINED BOYLE’S – CHARLES’ GAS LAWS To convert measured volume at metered pressure and temperature to selling volume at agreed base pressure and temperature. DRESSER (2003) The Application of Temperature and Pressure Correction Factors in Gas Measurement

## Smith Metering (2000) Fundamentals of Orifice

Throughout the oil and gas industry, there stems the need for accurate, economical measurement of process fluids. Orifice metering satisfies most flow measurement applications and is the most common flow meter in use  today. The orifice meter, sometimes called the head loss flow meter, is

## E+H (2014) Medicion Caudal Gases Líquidos y Vapores

Endress+Hauser es un proveedor global de soluciones para instrumentación y automatización. La empresa distribuye instrumentación a los sectores de producción y logística de la industria de procesos, desarrolla sensores y sistemas que obtienen información del proceso, transmiten los datos correspondientes

## Moore (1994) Pressure and Temperature Compensation of an Orifice Meter using the Model 352 Single-loop Controller

This application note focuses on the idea that orifice meters require compensation whenever they are used to measure gas flow in lines that have variable operating pressure and temperature.   Moore (1994) Pressure and Temperature Compensation of an Orifice Meter

## FOXBORO (1961) ORIFICE PLATES, FLANGES AND CONNECTIONS

FOXBORO (1961) ORIFICE PLATES, FLANGES AND CONNECTIONS

## HOFFER FLOW CONTROLS (2016) ESTIMATING ERRORS IN GAS MEASUREMENT SYSTEMS WHICH DO NOT USE TEMPERATURE AND PRESSURE COMPENSATION

HOFFER-FLOW-CONTROLS-2016-ESTIMATING-ERRORS-IN-GAS-MEASUREMENT-SYSTEMS-WHICH-DO-NOT-USE-TEMPERATURE-AND-PRESSURE-COMPENSATION.pdf

## SPIRAX SARCO (1997) M410 Orifice Plate Assemblies

SPIRAX SARCO (1997) M410 Orifice Plate Assemblies

## BRISTOL BABCOCK (1989) Flowmeter Applications

BRISTOL BABCOCK (1997) Flowmeter Applications

## Fluid Components International (2008) Comparison of Differential Pressure and Thermal Dispersion Technologies

As the costs of fuels and consumables (natural gas, hydrogen, oxygen, etc.) continue to rise, the ability to accurately measure the amount used in a process becomes significant in controlling costs and determining bottom line profits. It may have been

## DANIEL MEASUREMENT (2010) Fundamentals of Orifice Meter Measurement

What is an Orifice Meter? An orifice meter is a conduit and a restriction to create a pressure drop. An hour glass is a form of orifice. A nozzle, venturi or thin sharp edged orifice can be used as the

## TUVNEL (2010) Introductory guide to differential pressure flow meters

This is a basic guide to differential pressure flowmeters, it provides information about the different types of meters available and their main advantages and disadvantages. They also include fundamental background information to understand how the flowmeters work. TUVNEL (2010) Introductory