Why do I need a precision flow meter?
You might not! Precision flow meters are used to provide accurate monitoring and/or flow control. Some industrial applications require precise calculation of quantity, such as precision servo-valve development for the aerospace industry. On the other hand, an application to measure water flow to a vineyard may only require a measurement accuracy of 5% to 10%.
What type of flow meter is best?
There are no "universal" flow meters which are suitable for all applications. Selecting the proper technology for your application requires writing a flow specification which covers the use of the meter. There are usually trade-offs with each meter type, so knowing the critical specifications will be important.
Things you must know:
- What is the Gas or Liquid being measured?
- Minimum and maximum flow rates.
- What are the accuracy requirements?
- The fluid temperature and viscosity.
- Fluid compatibility with the materials of construction (See our materials compatibility guide)
- The maximum pressure at the location.
- What pressure drop is allowable?
- Is the meter mounted in a hazardous location where explosive gases may be present?
- Is the fluid flow continuous or intermittent?
- What type of output signal or readout do you need?




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