David W. Spitzer's E-Zine Archive - 2011

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December 2011 

• Ultrasonic Level Measurement (Part 3 of 3)
• Locating Pressure & Temperature Taps 
• QUIZ:  What is the Largest Line Size for Coriolis Flowmeters? 

November 2011 

• Ultrasonic Level Measurement (Part 2 of 3)
• Analog Signal Conversion; Understanding the Accuracy of DCS & PLC Inputs 
• QUIZ:  What is the Flowrate of a Pump Operating at 60% Speed? 

October 2011 

• Ultrasonic Level Measurement (Part 1 of 3)
• The Cards You're Dealt; When a Backwards Flowmeter is the Best Option 
• Tap Orientation for DP Flow Element in Gas Service

September 2011 

• Non-Contact Radar Level Measurement (Part 3 of 3)
• Backwards Flow Measurement; An Odd Installation Produces Successful Results
• Tap Orientation for DP Flow Element in Liquid Service   

August 2011 

• Non-Contact Radar Level Measurement (Part 2 of 3)
• Flowmeter Installation Considerations: Understanding Factors That May Effect Accuracy
  
• Quiz:  Orifice Plate Installation Factors   

July 2011 

• Non-Contact Radar Level Measurement (Part 1 of 3)
• Better to Be Safe:  Selecting Instruments for Vacuum Service
• Calibrating a Differential-Pressure Transmitter (Part II)  

June 2011 

• Laser Level Measurement (Part 2 of 2)
• On the Right Flow Path:  Material Considerations to Ensure Smooth Straight-Run Piping
• Calibrating a DP Transmitter  

May 2011 

• Laser Level Measurement (Part 1 of 2)
• Stating the Facts: Considering Flow Turndown in Terms of Flow 
• Which Flowmeter Exhibits the Highest Turndown? 

April 2011 

• Non-Contact Level Measurement (Part 2 of 2)
• Beginner’s Guide to Differential Pressure Level Transmitters
• Accuracy of Orifice-Plate Differential-Pressure Flowmeters 

March 2011 

• Non-Contact Level Measurement (Part 1 of 2)
• Of Turndown & Velocity;  What Flowmeter Turndowns Mean In Terms of Flowrate
• Matching the Transmitter to Maximum Capsule Span 

February 2011 

• Level Measurement (Part 2 of 2)
• Flowmeter Turndown Overkill: Is 10,000-to-1 Really Better Than 100-to-1
• Measuring Forward & Reverse Flow 

January 2011 

• Level Measurement (Part 1 of 2)
• Technically Speaking:  Of Reynolds Numbers, Laminar Flow & Straight-Pipe Requirements 
• Variable-Speed Energy Savings

November 2011 

• Ultrasonic Level Measurement (Part 2 of 3)
• Analog Signal Conversion; Understanding the Accuracy of DCS & PLC Inputs 
• QUIZ:  What is the Flowrate of a Pump at 60% Speed?

December 2011 

• Ultrasonic Level Measurement (Part 3 of 3)
• Locating Pressure & Temperature Taps 
• QUIZ:  What is the Largest Line Size for Coriolis Flowmeters?

December 2011 

• Ultrasonic Level Measurement (Part 3 of 3)
• Locating Pressure & Temperature Taps 
• QUIZ:  What's the Largest Line Size for Coriolis Flowmeters?