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Pressure Measurement
Introduction
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| Pressure Measurement |
Accurate measurement of liquid, gas, and steam pressure is a basic requirement for many industrial processes to operate safely, efficiently, and with optimum quality control. Many plants use more pressure-measurement and control devices than all other types of measurement and control instruments combined.
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Some pressure-measurement devices use complex technology, while others are quite simple. The accuracy and precision of the different pressure-measurement instruments also varies widely. This module introduces you to the basic principles of pressure measurement and explains the benefits of accurate pressure measurement and control in process industries. In addition, descriptions of the different pressure-measurement and control devices available will be presented.
This module contains the following sections:
- What is Pressure?
- Why Measure Pressure?
- Pressure Terminology
- Pressure Based Measurements
- Pressure Measurement and Control
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Table Of Contents
Introduction
What Is Pressure?
The Pressure Equation
Pressure Variables
Why Measure Pressure?
Safety
Process Efficiency
Cost Savings
Pressure Based Measurements
Pressure Units
Reference Pressures
Measured Pressures
Pressure Based Measurements
Flow
Level
Density Measurement
Interface Measurement
Pressure Measurement and Control
Pressure Gauges
Pneumatic Pressure Cells
Electronic Pressure Transmitters
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Pressure Measurement
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