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The 8 Best electronic component flow sensors of 2025

Are you trying to find electronic component flow sensors among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling electronic component flow sensors on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 26 hours of research and did 20 electronic component flow sensors tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best electronic component flow sensors you can buy today

No. 1
Pressure Sensor Display Module, Rp-C Mk01-1 3.3V-4.2V Electronic Components, Used for The Measurement Of Flexible Sensors
  • FUNCTION: Used for the measurement and display of flexible sensors (flexibility, membrane pressure, force sensors).
  • LOW POWER CONSUMPTION: Low power consumption, lithium battery power supply, long battery life, can be charged by mobile phone charger. Charging time is 3.5 hours, working time is 12 hours when fully charged.
  • PLEXIGLASS DISPLAY: Plexiglass display, the reading is clearer, accurate, efficient, beautiful and .
  • SERIAL PORT PARAMETERS: Baud rate 9600, data length 8 bits, stop bit 1 bit, no parity.
  • COPPER CLAD LAMINATE: Using copper clad laminate material, strict quality control and quality assurance, high safety factor, you can use it with confidence.
No. 2
EC Buying 10PCS IR Infrared Sensor Module Slotted Optical Optocoupler Speed Measuring Sensor Module Photo Interrupter Sensor Motor Speed Detection Robot for Arduino
  • Adopting a slot type photoelectric sensor, it consists of an infrared light-emitting diode and an NPN photoelectric transistor, with a slot width of 5.9mm.
  • As long as a non-transparent object passes through the slot, it can trigger to output a low TTL level.
  • Using Schmidt trigger to jitter pulses is very stable and can be used for small car speed measurement, distance measurement, and other applications!
  • Install holes with M3 screws at both ends.
  • Working voltage: 3.3V-5V, output form: digital switch output (0 and 1)
No. 3
SENSTREE G1/2 ’’ Flow Hall Sensor with NPT Thread, 1-30L/Min Flow Meter, Flowmeter Counter, Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible
  • NPT Thread
  • 1-30L/min
  • The Water Flow Sensor is light, has a nimble outline, small, and is easy to install—the bearings used in the rotating part.
  • There is an integrated magnetic hall effect sensor that outputs an electrical pulse with every revolution. The hall effect sensor is sealed from the water pipe and allows the sensor to stay safe and dry.
  • Installed by flow direction in the product, otherwise, there is no signal output.
  • It is mainly used in water heaters, coffee machines, water purifiers, drinking fountains, beverage machines, campus smart card equipment, etc.
No. 4
HiLetgo 3pcs APDS-9930 ALS IR RGB and Proximity Sensor APDS-9930 Digital Proximity and Ambient Light Sensor for Arduino
  • Optical modules integrated with ALS, infrared LEDs and proximity detectors
  • Ambient Light Sensing (ALS)
  • Approximate human visual response
  • Programmable interrupt capability with upper and lower thresholds
  • Up to 16-bit resolution
No. 5
WMYCONGCONG 10 PCS TCRT5000 Infrared Reflective Sensor Module IR Barrier Line Track Photoelectric Switch with Jumper Wires for Arduino Smart Car Robot
  • Using infrared reflective sensor TCRT5000, designed with many adjustable precision potentiometer to adjust sensitivity.
  • Wide Application: For obstacle detection, Watt meter pulse data sampling, Detecting black and white line, Detecting Fax machine and shredder paper, for limits of movement on robotic arm.
  • Working Voltage: 3.3V-5V; Detecting Reflection Distance: fit for 1mm-25mm.
  • VCC-pin: Connect the positive pole of the power supply (3-5V); GND-pin: Connect the negative pole of the power supply; DO-pin: switch signal output; AO-pin: analog signal output.
  • Package Content: 10 * TCRT5000 Infrared Reflective IR Sensor Module + 1 * 10Pin Female to Female Jumper Wire + 1 * 10Pin Male to Female Jumper Wire + 10Pin Male to Male Jumper Wire.
No. 6
DIGITEN G1/4" Water Flow Sensor, Food-Grade Hall Effect Sensor Flow Meter Flowmeter Counter Connect Hose 0.3-6L/min - Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible
  • ★Waterproof, heat resistance, pressure resistance, cold resistance.
  • ★Suitable for 1/4" tube. Small size, easy to install, all materials are in line with ROHS testing standards.
  • ★Flow range: 0.3-6L/min, working voltage range:DC 5-18 V.
  • ★Application: Water heater thermostat, water purifier, boiler, water dispensers, coffee machines, smart card equipment, the boiler and so on.
  • ★Sensor: Hall effect.
No. 7
DIGITEN G3/4" Water Flow Sensor, Food-Grade Hall Effect Sensor Flow Meter Flowmeter Counter 1-60L/min - Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible
  • ☺Work for Arduino, Raspberry Pi, and Reverse Osmosis Filter. Small size, waterproof, easy to install, heat resistance, pressure resistance, cold resistance.
  • ☺Material: All materials align with ROHS testing standards, and can be used for potable water.
  • ☺Cable length: 15cm. Flow range:1-60L/min, working voltage range:DC 5-18 V, allow compression:Water pressure 1.75 Mpa below.
  • ☺Hall effect sensor. Connect to G3/4 inch BSP male thread, if used for NPT, need thread seal tape. Output waveform: square wave, output pulse signal.
  • ☺Wide application: It is mainly used in water heater, coffee machine, water purifier, drinking fountain, beverage machine, campus smart card equipment, etc.
No. 8
DIGITEN G3/8" Quick Connect Hall Effect Sensor Water Flow Sensor Food-Grade Flowmeter Water Flow Counter Meter 0.3-10L/min - Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible
  • ★Food grade: Liquid passed through is safe to drink.
  • ★G3/8 inch Quick-Connect: Easy installation and removal, suitable for 3/8" tube and works with most Reverse Osmosis filtration systems.
  • ★Flow range:0.3-10L/min, working voltage range: DC 5-18V.
  • ★Waterproof, heat resistance, pressure resistance,cold resistance.
  • ★Sensor: Hall effect. Application: water heater thermostat, water purifier, boiler, water dispensers, coffee machines, smart card equipment, the boiler and so on.
SaleNo. 9
Intelligent Sensor Design Using the Microchip dsPIC (Embedded Technology)
  • Used Book in Good Condition
  • Huddleston, Creed (Author)
  • English (Publication Language)
  • 304 Pages - 12/11/2006 (Publication Date) - Newnes (Publisher)
SaleNo. 10
Water Pump Flow Sensor, HT30 11 110V G1" Thread Water Flow Sensor Switch Brass Electronic Pressure Automatic Control Switch for Booster Pump,Control Switch
  • This water pump start automatically, open the faucet the water pump works automatically, close the faucet the water pump stops working.
  • Start at low water pressure as long as the water flow speed is not less than 1.5L/min.
  • The sensor realize automatic water flow control, easy and practical to use.
  • Using high temperature resistant brass material, which can be used under both cold and hot water conditions.
  • Adopt electronic components as control devices, so that the switch has no sparks during use, totally enclosed with high safety.
SaleNo. 11
KUIDAMOS Pump Flow Sensor Automatic Control Flow Switch practical water flow control easy to use 110V G1in for liquid pressure system
  • Automatic Control - This water flow switch uses water flow magnetic control device and on-off control sensing elements, so as to achieve automatic control and switch on or off booster pump
  • High Temperature Resistant - gains materials allows the product to be used for both hot and cold water
  • High Sensitivity - low water pressure startup, return spring is made of high quality stainless steel; it can start up pump when the water flow speed is not less than 1.5L/min
  • Stable Performance - magnetic control chamber, induction chamber and electronic components are designed separately in order to avoid switch failure caused by iron matter in pipeline is magnetic adsorbed
  • Safe and easy to use - water flow switch with G1 thread brass connector, convenient to install; electronic components are used as the control devices to make the product no spark and completely enclosed in the work
No. 12
Water Flow Switch,G1/2-G1/2 Thread Water Pump Flow Sensor Electronic Pressure Automatic Control Switch 220V
  • ?Stable performance; induction chamber, magnetic control chamber and electronic components are designed separately in order to avoid switch failure caused by iron matter in pipeline is magnetic adsorbed.
  • ?High temperature resistant materials allows the product to be used for both hot(up to 70℃) and cold water.
  • ?Low water pressure startup; reset spring is made of high quality stainless steel; it can start up pump when water pressure is >0.03KG.
  • ?The electronic components as control device will not cause spark during work which is quite safe.
  • ?This product is widely used for low pressure area family, especially important for low water pressure ignition start-up of water heater, automatic water cycle of solar water heater.
No. 13
Flow Sensor Switch,G3/4-G3/4 Thread Water Pump Adjustable Flow Sensor Pressure Automatic Control Switch 220V(Model: HT-200)
  • Stable performance; induction chamber, magnetic control chamber and electronic components are designed separately in order to avoid switch failure caused by iron matter in pipeline is magnetic adsorbed.
  • Low water pressure startup; reset spring is made of Premium stainless steel; it can start up pump when water pressure is >0.03KG.
  • This product is widely used for low pressure area family, especially important for low water pressure ignition start-up of water heater, automatic water cycle of solar water heater.
  • The electronic components as control device will not cause spark during work which is quite safe.
  • High temperature resistant materials allows the product to be used for both hot(up to 70) and cold water.
No. 14
Bootuu Flow Switch for Intellichlor Ic40, 520736 Intellichlor Flow Sensor Switch Replacement Kit, for IC15, IC20, IC40, IC60 Salt Chlorinator Systems
  • IC40 Flow Switch: Our meticulously tested flow switch guarantees seamless compatibility with Intellichlor Salt Chlorinator IC-15, IC-20, IC-40, IC-60 Systems. As dedicated flow switch specialists, choose us for a reliable purchase—don't compromise with subpar alternatives.
  • Part Number Compatibility: Tailored to replace Intellichlor's part number 520736, our replacement ensures uncompromising protection for your salt and chlorine equipment. Invest in a dependable solution for the long-term health of your system.
  • Cutting-edge Sensitive Detection Technology:The red and blue lines in this detection system monitor water flow, while the white and green lines detect temperature in Intellichlor salt systems. It exclusively addresses issues related to water flow and temperature, but does not measure salinity.
  • Effortless Installation Design: Engineered for Intellichlor ic40 with compatibility for 2, 3, and 4 wire battery systems. Refer to our product page picture for a straightforward connection method. The ic40 flow switch includes 4 button connectors, ensuring easy, waterproof, and moisture-proof wire connections. The "no flow" indicator extinguishes within minutes post-installation. Note: Follow the arrow on the switch for the correct water flow direction.
  • Exceptional After-sale Differentiation: Enjoy an exclusive 10-year after-sales guarantee. Should any issues arise during use, contact us promptly. Our commitment to your satisfaction, be it for replacement or a full refund, sets us apart. Purchase confidently and experience unparalleled customer support. Don't settle—choose excellence.
No. 15
Flow Control Switch,HT-800 G1 Thread 220V Flow Sensor Automatic Control Switch, Water Flow Switch,with Water Flow Magnetic Control Device and On-Off Control Sensing Elements
1 Consomer Reviews
Flow Control Switch,HT-800 G1 Thread 220V Flow Sensor Automatic Control Switch, Water Flow Switch,with Water Flow Magnetic Control Device and On-Off Control Sensing Elements
  • This water flow switch uses water flow magnetic control device and on-off control sensing elements, so as to switch on or off pump
  • Stable performance; induction chamber, magnetic control chamber and electronic components are designed separately in order to avoid switch failure caused by iron matter in pipeline is magnetic adsorbed
  • High temperature resistant materials allows the product to be used for both hot(up to 70¡æ) and cold water
  • Low water pressure startup; reset spring is made of high quality stainless steel; it can start up pump when water pressure is >0.03KG
  • The electronic components as control device will not cause spark during work which is quite
No. 16
Water Switch, DC5-18V Water Sensor 3in Flowmeter Induction Switch NPN Output for Irrigation, Electronic Component Sensors
  • WIDE APPLICATION: Can be used in water heaters, credit card machines, water vending machines, measurement equipment, etc., with a wide range of applications.
  • SENSOR SPECIFICATION: The water sensor has 3in male thread interface, the working voltage range is DC5‑18V, and the output NPN pulse .
  • EASY INSTALLATION: The water sensor is light in weight and small in size, with standard size and good sealing, easy to install and does not take up space.
  • SENSOR SPECIFICATION: The water sensor has 3in male thread interface, the working voltage range is DC5‑18V, and the output NPN pulse .
  • GOOD PERFORMANCE: The water flowmeter sensor is stable in operation, resistant to high temperature, and can be started at low water pressure, with strong practicability.
SaleNo. 17
HT-800 G1 Thread 220V Magnetic Wate Flow Sensor Switch Pipe Boosting Pump Laser Machine Automatic Electronic Switch Control for Shower Low Water Pressure Solar Heater Water Circulation
  • High Temperature Resistant --- gains materials allows the product to be used for both hot(up to 70) and cold water
  • Stable Performance --- induction chamber, magnetic control chamber and electronic components are designed separately in order to avoid switch failure caused by iron matter in pipeline is magnetic adsorbed
  • High Sensitivity --- low water pressure startup, return spring is made of high quality stainless steel; it can start up pump when water pressure is >0.03KG
  • Automatic Control --- This water flow switch uses water flow magnetic control device and on-off control sensing elements, so as to achieve automatic control and switch on or off booster pump
  • Safe and convenient to use --- water flow switch with G1 thread brass connector, convenient to install; electronic components are used as the control devices to make the product no spark and completely enclosed in the work
No. 19
Water Flow Switch Water Shortage for Protection Switch Stainless Steel Flow Sensor with G1/2in Double Female Thread Swit Water Flow Sensor Switch Water Flow Sensor Npt
  • Water shortage for protection switch of welding machine, stove & water flow switch.
  • 304 stainless steel, Great processing, non-fragile and long service life.
  • accuracy design, the liquid flow rate is greater than 1.2L/Min.
  • Can be used in water oil without filters. Applicable /
  • Minimal obstruction to liquid flow in the water which can improve efficiency.

How to choose a good electronic component flow sensors

Does the idea of finding a fantastic electronic component flow sensors make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in electronic component flow sensors. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top electronic component flow sensors products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top electronic component flow sensors on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top electronic component flow sensors brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top electronic component flow sensors based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the electronic component flow sensors were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good electronic component flow sensors, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your electronic component flow sensors.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting electronic component flow sensors for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our electronic component flow sensors. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what electronic component flow sensors should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on electronic component flow sensors.