Introduction to Industrial Pressure, Level, and Density Measurement Technologies (EI05E)

Introduction to Industrial Pressure, Level, and Density Measurement Technologies (EI05E)

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Length: 6 weeks
CEU Credits: 1.8
Course Hours: Online course – refer to syllabus

ISA’s CyberU online instructor-led training courses offer the benefit of a high quality ISA training course with the added advantage of studying at your own pace in the office, at home, or while traveling.

This online course utilizes online training modules, additional text materials, online evaluations, and e-mail discussions. Students will have access via email to an instructor and an opportunity to participate in live Q&A sessions with the instructor and other class participants.

This CyberU course runs for six (6) weeks. You will have access to seven online modules for the web/audio sessions. Each module takes approximately 60 minutes. Your course syllabus will guide you through the course modules and provide assignments and the schedule for the live Q&A sessions.


This course presents an overview of the principles and applications of modern pressure, level, and density measurement systems, emphasizing underlying instrument technologies; device performance and design; and specification, selection, installation, and maintenance requirements for instruments and transmitters.

You will be able to:

  • Identify the importance of measurement for monitoring, control, and custody applications
  • Apply the characteristics of fluid properties that relate to pressure and level measurement
  • Identify various types of transducers used in pressure and level measurement
  • Describe the operation of various types of level measurement devices
  • Use specified criteria in the selection of a method for pressure and level measurement
  • Apply general maintenance, calibration, and safety requirements for specification and selection of various types of pressure and level measuring instruments
  • Engineer fundamental level and pressure measurement installations
  • Calculate calibration data for different process and installation conditions
  • Explain the signal generation and conditioning involved in pressure, differential pressure, and level transmitters
  • Select and apply devices and systems for industrial pressure and level measurement
  • Specify and use smart transmitters in level and pressure measurement processes


You will cover:

Each course modules has been pre-recorded by your instructor, so that you can access on your schedule. Each module is a web/audio session that takes approximately 60 minutes.

Week/Module 1: Measurement Principles

Covers Hydraulic Principles, Pressure Measurement, Pressure Scales, Manometric Principles, Introduction to Calibration Principles, Calibration Standards, Types of Error, and Calibration Adjustments

Week/Module 2: Primary and Secondary Pressure Transducers

Covers Pressure Transducers and Transmitters; Pressure-Responsive Elements; Differing Technologies for Pressure Measurement; Mechanisms for Isolating Pressure Instruments from Dangerous, Hot, or Corrosive Fluids; Pressure Switches; Differential Pressure Measurements

Week/Module 3: Technologies for Communication and Introduction to Level Measurement

Covers Concept of Representing Analog Measurements as Electrical Signals, Transmitter Technology, Digital “Smart” Transmitters and Bus Standards, Fieldbus and HARTTM, Level Measurement Issues, Tank Gauging Technologies, Level and Relate to the Need for Measurement, Visual Measurement and Types, Automatic Tank Gauging, Definitions and Applications

Week/Module 4: Level Measurement Technologies

Covers Head Level Measurement, Open and Closed Tank Applications, Electrical Measurement of Level, Signal Conditioning and Configurations, Ultrasonic Level Measurement Technologies, Radar Level Gauges

Week/Module 5: High-Tech Level Measurement and Hydrostatic Tank Gauging

Covers Laser Level Measurement, Other Optical Technology, HTG and ATG Definitions, Applications, Tank Calibration Methods, HTG Measurements, HTG Accuracy

Week/Module 6: Transmitters and Density Measurement

Covers Definitions, Technologies Used in Electrical Transmitters, Pneumatic Transmitters, Applications

Course Materials:

Course materials will be provided to all course registrants prior to the course start date.

Lab and Classroom Exercises:

  • Evaluate pressure/level instrument performance vs. published specifications
  • Design, test, and operate a level measurement system
  • Evaluate level instrument performance and accuracy
  • Specify pressure and level instruments for a variety of specific application requirements
  • Calculate calibration ranges for DP and other level transmitters
  • Calculate effects of fluid property changes on pressure, level, and density measurement

Features of ISA CyberU online course:

Online Pre-recorded Course Modules

Your instructor has pre-recorded each course module so that you can access the course presentations on your schedule. Each module is a web/audio session that takes approximately 60 minutes.

Ask the Expert

Interact with your expert instructor via email throughout the course and through scheduled live Q& A sessions. You can expect a reply to your email within 24 hours. This email address is active during the entire course duration.

The Q&A sessions provide an opportunity for you and your classmates to speak one-on-one with the instructor. You will have an opportunity to ask any questions you may have about the course material and interact with your fellow classmates.

Class Discussions

You will be invited to subscribe to a course listserve that includes course participants. You can use this listserve to post questions and share experience relevant to the course with other class members.

Course Assignments and Exams

  • Take the course pre-test before you begin studying the course material to get a better understanding of areas that you will want to focus on more during the course.
  • Homework assignments for all modules will be indicated on the syllabus. The homework assignments are designed to help expand your understandinCheck upcoming courses
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