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Plastic Flow Meter

Understanding Plastic Flow Meters


At APT Instruments, nestled right in the heart of Omaha, NE, we've always aimed to blend innovation with impeccable customer support, ensuring our clientele not just a plethora of options in technical instruments but also guidance in choosing what best suits their needs. This commitment extends vividly into one of our prime offerings: the plastic flow meter. Given the diverse applications and the critical role it plays across industries, understanding its nuances could significantly enhance operational efficiency and reliability.

Understanding Plastic Flow Meters

The world of flow measurement is vast, but within it, the plastic flow meter stands out for its resilience and versatility. Made to measure the flow rate of liquids or gases, these meters are particularly valued in environments where corrosion resistance and chemical compatibility are paramount.

Our journey at APT Instruments has taught us that selecting the right flow meter is not just a matter of technical specifications; it's about aligning with the operational ethos of our clients. Therefore, we delve deeply into the unique properties, uses, and benefits of plastic flow meters, offering a personalized approach to each inquiry we receive.

Advantages of Plastic Flow Meters

The allure of plastic flow meters can be attributed to their various advantages, which include:

  • Exceptional chemical resistance, making them suitable for aggressive media.
  • High durability and shock resistance, ensuring long-term utility.
  • Ease of maintenance and cost-effectiveness, providing an advantageous total cost of ownership.

These benefits position plastic flow meters as a go-to option for industries ranging from pharmaceuticals to wastewater management, where precision and reliability are not just required but essential.

Selecting the Right Plastic Flow Meter

Our experience at APT Instruments has highlighted the importance of careful selection based on specific criteria:

Application Needs

Considerations such as the fluid type, flow rate, and process temperature are critical in guiding our recommendations. Each parameter directly influences meter performance and longevity.

Installation Environment

The surrounding environment, including space constraints and exposure to harsh conditions, also plays a significant role in selecting the most suitable plastic flow meter.

Technological Innovations

Innovation drives progress, and at APT Instruments, we're constantly exploring advancements in flow measurement technology. Modern plastic flow meters are equipped with features like digital outputs and advanced diagnostics, offering unprecedented levels of accuracy and control.

One of the most exciting developments we've encountered includes smart metering solutions, enabling remote monitoring and data collection. Such innovations not only enhance operational efficiency but also pave the way for predictive maintenance strategies, significantly reducing the risk of unscheduled downtimes.

Real-world Applications

The versatility of plastic flow meters can be seen in their wide range of applications. In my own experience, assisting a local craft brewery in optimizing their water usage stands out as a testament to the adaptability and benefits of these meters. The brewery was facing challenges with their existing metal flow meters, which were corroding and affecting the taste of their product. Switching to a plastic flow meter resolved these issues, demonstrating the importance of material compatibility in flow measurement.

In another instance, a pharmaceutical company required a meter that could precisely measure highly aggressive chemicals without degradation. The polyamide and polysulfone components of certain plastic flow meters offered the perfect solution, showcasing their chemical resistance and ensuring accurate dosing in the manufacturing process.

Challenges and Solutions

Integrating plastic flow meters into existing systems can present challenges, particularly when dealing with older infrastructure or complex processes. At APT Instruments, we've navigated these waters by offering bespoke installation solutions and on-site support, ensuring seamless integration and minimal disruption to operations.

Another common challenge involves adapting to rapid technological changes. Our approach has been to provide continuous education and updates on the latest in flow measurement technology, empowering our clients to make informed decisions that future-proof their investments.

Future Outlook

The future of plastic flow meters is bright, with ongoing innovations aimed at increasing efficiency, accuracy, and ease of use. As these meters become smarter and more integrated with other industrial systems, their role in enhancing operational intelligence and sustainability will undoubtedly grow.

At APT Instruments, we're excited to be part of this journey, contributing our expertise and passion for excellence to the evolution of flow measurement. Our commitment to quality, innovation, and customer satisfaction will continue to guide us as we embrace the challenges and opportunities of the future.


The journey through the world of plastic flow meters is a fascinating one, filled with continuous learning and adaptation. From the wide range of applications to the challenges and solutions encountered along the way, these devices play a pivotal role in ensuring process efficiency and reliability across industries.

At APT Instruments, we pride ourselves on being more than just a supplier; we're a partner in our clients' success, offering tailored advice, innovative solutions, and unwavering support. As we look to the future, our dedication to advancing flow measurement technology remains steadfast, ensuring that our clients always have access to the best solutions the industry has to offer.

Technological Innovations

What is the most accurate flow meter?

When it comes to accuracy in flow meters, it significantly depends on the specific application and fluid characteristics. Here at APT Instruments, we've seen Coriolis flow meters often touted as the most accurate, especially for liquid measurement. They directly measure mass flow by using the Coriolis effect, providing exceptional precision and reliability across various industries. However, it's crucial to note that "the most accurate" can vary based on what you are measuring. For instance, in applications involving aggressive chemicals or where corrosion resistance is key, a high-quality plastic flow meter designed for that purpose might deliver the most accurate measurements, given the context. Remember, the right tool for the job is always the most accurate one in the real-world scenario.

How accurate is a DP flow meter?

Differential Pressure (DP) flow meters have been the backbone of fluid measurement for decades, offering a reliable method of measuring flow rate based on changes in pressure across an obstruction. The accuracy of a DP flow meter can vary but typically ranges from ±0.5% to ±5% of the rate depending on the design, installation, and flow conditions. It's worth mentioning that achieving the higher end of accuracy with DP meters often requires careful calibration and compensation for factors like temperature and pressure. In our experience at APT Instruments, for applications that require high accuracy under variable conditions, it may be beneficial to explore options like plastic flow meters with digital outputs that can offer more consistent accuracy across a broader range of conditions.

How can I measure flow without a flow meter?

In scenarios where a flow meter is not available, there are alternative methods to estimate flow rate. One common approach involves using a container and a stopwatch to measure the time it takes to fill the container to a known volume. This method, while rudimentary, can provide a basic measure of flow rate in liters per minute or gallons per minute. Another approach could be to utilize a known diameter pipe and apply the Bernoulli equation to calculate flow based on pressure differences, though this method requires a bit more mathematical calculation and understanding of fluid dynamics. At APT Instruments, while we advocate for the precision and ease of use offered by flow meters, we understand there might be circumstances that call for these kinds of inventive solutions. It's the ingenuity in problem-solving that keeps industries moving forward.

What is the difference between a flow meter and a flow gauge?

A flow meter and a flow gauge, while related in their function to measure fluid movement, serve distinct roles. A flow meter is designed to measure the quantity of a fluid moving through a system, providing data in terms of volume or mass per unit of time, such as liters per minute or kilograms per hour. This information is crucial for precise control, monitoring, and management of fluid systems. On the other hand, a flow gauge typically refers to a device that provides a visual indication of flow, often without precise quantitative values. Flow gauges are more about indicating presence or absence of flow and relative flow rate rather than providing exact measurements. At APT Instruments, we cater to both needs, providing sophisticated plastic flow meters for accurate measurements and flow gauges for quick checks and balances in your systems.

What are the unique benefits of using plastic flow meters in corrosive environments?

Plastic flow meters offer distinct advantages in corrosive environments where metal meters would suffer degradation. Their exceptional chemical resistance means they can handle aggressive chemicals without corroding, maintaining both their structural integrity and measurement accuracy over time. Additionally, plastic meters often come with a lower cost of ownership since they require less maintenance and have a longer lifespan in corrosive conditions. From our extensive work at APT Instruments, we've found that industries like pharmaceuticals and wastewater management greatly benefit from the adoption of plastic flow meters, not just for their durability but also for their cost-effectiveness and ease of maintenance.

How does APT Instruments approach the selection process for the right flow meter for a client?

At APT Instruments, our approach to selecting the right flow meter for a client is grounded in understanding their specific needs and operational conditions. We start by examining the type of fluid being measured, its flow rate, viscosity, temperature, and any chemical compatibility requirements. Further, we take into account the installation environment, including space constraints and any exposure to harsh conditions that could impact meter performance. Our goal is not just to sell a product but to provide a solution that enhances our client's operational efficiency and reliability. By considering these various criteria and maintaining a dialogue with our clients, we tailor our recommendations to ensure they receive the most suitable and effective flow measurement solutions for their unique circumstances.


  • Environmental Protection Agency (EPA) - The EPA website provides valuable information on environmental regulations, including guidelines for monitoring and managing flow rates in various industries.
  • World Health Organization (WHO) - The WHO offers insights into the importance of accurate flow measurement in ensuring water quality and safety standards around the world.
  • National Science Foundation (NSF) - The NSF's research and funding initiatives contribute to advancements in flow measurement technology, including materials used in plastic flow meters.
  • National Institute of Standards and Technology (NIST) - NIST sets the standards for measurements in the United States, providing crucial calibration guidelines for flow meters used in industrial applications.
  • U.S. Geological Survey (USGS) - The USGS website offers data and research on water resources, emphasizing the importance of accurate flow measurement for sustainable water management.
APT Instruments
(217) 498-0342
Plastic Flow Meter
14520 Grover St
Omaha NE 68144 US

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