Best Flowmeters of 2025

The RESTMO Flow Meter offers a user-friendly 360° rotatable control panel, allowing you to easily read measurements from any angle, whether it's attached to a hose or faucet. The large 1.3-inch LCD screen and one-touch button make it simple to track your water usage and flow rate across four different modes. Its durable brass fittings enhance longevity, minimizing the hassle of frequent installations. Additionally, the meter features a built-in sensor for precise measurements, helping you monitor your water consumption effectively and avoid over-watering your plants.

The Nascool Flow Meter is designed to help you accurately monitor your respiratory health. It features a highly precise pressure differential sensor, ensuring that you get consistent and reliable readings without the need for recalibration. The device automatically displays your forced expiratory volume (FEV1) and peak expiratory flow (PEF), making it easy for you to track your lung function. Its portable size allows for convenient use anywhere, while the easy-to-clean design eliminates the need for disposable mouthpieces. Additionally, the accompanying app helps you keep an asthma diary, allowing you to record triggers, symptoms, and medications for better management of your condition.

The HARRIS Flowmeter Regulator is designed for medium to heavy-duty applications, making it a reliable choice for various tasks. The 1.5-inch steel gauges provide accurate readings, ensuring you can monitor flow with confidence. With a compact package size of 7.0 inches in length, 7.5 inches in width, and 7.75 inches in height, it is easy to fit into your workspace. Weighing just 2.96 pounds, this regulator is lightweight, allowing for easy handling and installation. Whether you need it for professional or personal use, this flowmeter regulator offers convenience and durability.

The Uniweld Nitro Vue Flowmeter is designed for precise control over nitrogen gas flow. Its easy-to-read flow indicator allows you to monitor the flow effortlessly, while the adjustable valve lets you fine-tune the flow rate. You’ll appreciate the bright orange float ball, which provides a clear visual confirmation of gas flow, ensuring you’re on track. Additionally, this flowmeter helps you purge copper lines effectively and adjust the flow for brazing, making your work smoother and more efficient. With safety in mind, it features a reseatable safety blow-off that activates at 200 psi, protecting you from overpressure.

The Hilitand Gas Flowmeter LZQ-7 is a high-quality acrylic flow meter designed for measuring unidirectional gas flow. With its transparent construction, it can withstand pressures up to 0.6MPa and is simple to use. The flow meter features 8mm barbs for easy connection to hoses, making it convenient for various applications. It can measure a wide range of gases, including blast furnace gas, coal gas, nitrogen, and oxygen. The main purpose of this flow meter is to detect and control oxygen flow in industrial settings. With its reliable performance and user-friendly design, the Hilitand Flowmeter is a reliable tool for gas flow measurement and control.

The GRYVOZE Flow Meter is designed to deliver accurate measurements for various liquids, including water and fuels. With a precision of ±1%, you can trust the readings to help manage your liquid usage effectively. The digital LCD display provides real-time flow rates and total accumulated volume, making it easy for you to monitor your consumption. You can choose from multiple units of measurement, adding flexibility for your specific needs. Additionally, its durable construction ensures it can withstand tough conditions, promising long-lasting performance for your applications.

The UwinVwin Flow Meter ensures accurate measurement of various liquids like water, diesel, and gasoline with a precision of up to ±1%. You can easily track your liquid usage thanks to its clear digital display, which shows both real-time flow rates and cumulative totals. It offers flexibility in measurement units, allowing you to switch between gallons and liters based on your needs. Built with durable materials, this meter is designed to withstand different environments, ensuring long-lasting performance wherever you use it.

This turbine flow meter comes with a digital LCD display that shows both instantaneous and cumulative flow with NPT Counter. It has a modular design that makes it suitable for use with output modules, sensors, and remote transmitters. The measuring accuracy is ±1%, and it can measure water, diesel, kerosene, and gasoline with a 3/4" flow range of 15-120L / Min. It is lightweight, compact, and easy to install with included adaptors. Maximum working pressure is 20BAR, and it can work in temperature ranging from -10°C to +60°C.

This Blue-White Flowmeter is designed for 2 in. PVC Pipe and can be installed horizontally. It is available for purchase on Amazon and falls under the category of flowmeters.

The Yawhew Flow Meter offers precise measurements with an impressive accuracy of ±1%. This ensures you get reliable data for various liquids, including water and fuels like diesel and kerosene. You can easily switch between different measurement units such as gallons, liters, and cubic meters, making it adaptable to your specific needs. Built with a durable aluminum alloy casing and stainless steel turbine, it is designed to last in tough environments. Additionally, it features an auto-off function that helps conserve battery life while maintaining dependable performance in both factory and off-road settings.