Variable Area/Purge Meters

Customized Retrofit Solutions for Replacing Legacy MT3601, MT3602 Angled Flowmeters

- 07/18/2025

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Why Use a Variable Area Flow Meter (Rotameter) to Measure Gas or Liquid Flow

Kostas Sklikas, MBA - 11/07/2023

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Obtain Accurate Measurement and Control of Liquid Levels with Repeatable Gas Flow and Pressure Management Using the "Bubbler Method"

- 12/27/2022

Application Note

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Purging the Sensing Lines of a Differential Pressure Transmitter

- 12/27/2022

Application Note

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Glass Tube Variable Area Flow Meters Save Costs and Maximize Process Uptime at Wastewater Treatment Plants

- 11/23/2022

Application Note

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Specifying the Right Variable Area Flow Meter: Part 3 of 3

Saskia Zobel - 04/22/2021

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Why Metal Tube Variable Area Flowmeters are the Best Solution for Accurate Combustion Gas Flow Measurement & Control in Flare Stacks

- 06/03/2020

Application Note

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Part 2 of 3: Replacing a HART Transmitter with a FOUNDATION™ Fieldbus Transmitter on Brooks Instrument MT3809 Metal Tube Flow Meters

Adrie Kelderman - 06/02/2020

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Part 3 of 3: Replacing a HART Transmitter with a Fieldbus Transmitter on Brooks Instrument MT3809 Metal Tube Flow Meters

Adrie Kelderman - 06/02/2020

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Part 1 of 3: Replacing a HART Transmitter with a FOUNDATION Fieldbus Transmitter on Brooks Instrument MT3809 Metal Tube VA Flow Meters

Adrie Kelderman - 06/01/2020

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How to Connect your MT3809 with FOUNDATION™ Fieldbus Transmitter to the Network

- 03/13/2018

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Troubleshooting: Is the Indicating Needle on Your Model MT3809G Off the Reference Mark? Try Re-zeroing.

- 01/11/2018

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FAQ: What is the straight run of pipe needed when installing a mass flow controller or variable area flow meter (rotameter)?

- 10/06/2017

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Selecting the Right Elastomer Seal Material for Mass Flow Controllers and Variable Area Flow Meters (Rotameters)

- 12/30/2015

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How do I correct my variable area flow meter for a gas with a different operating density? [FAQs]

- 09/27/2013

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How do I correct my variable area flow meter for a liquid with a different operating density?

Kostas Sklikas, MBA - 08/15/2013

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Specifying the Right Variable Area Flow Meter: Part 2 of 3

- 01/10/2012

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Specifying the Right Variable Area Flow Meter: Part 1 of 3

- 01/09/2012

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What gives with the rod guides in some variable area flow meters?

- 07/27/2010

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Gas Correction Factors for Variable Area Flow Meters

- 01/01/0001

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