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The 8 Best electronic component liquid level sensors of 2024

Are you trying to find electronic component liquid level 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 liquid level 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 25 hours of research and did 30 electronic component liquid level 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 liquid level sensors you can buy today

SaleNo. 1
12V Liquid Level Controller Control Sensor Sensors Module Water Level Detection Electronic Components
  • EASY TO CONTROL - This product is based on the actual needs of the family factories and pumping and the detection of the pool (water tower) to control the water level to achieve control.
  • EASY TO USE - With a small, simple wiring, low power consumption, high switching capacity, interference is strong, functional stability characteristics.
  • FUNCTION - Automatically open when you can stably pool (water tower) water pump (solenoid) pumping,automatically stops the pump (solenoid) when full of water.
  • APPLICATION - Local flooding can also be used for automatic rain drainage, such as garages, basements, etc
  • MATERIAL - Electronic Components. Board Size: 7cm x 4cm(L*W)
No. 2
Water Liquid Level Sensor Optical Infrared Liquid Water Level Control Switch
  • No mechanical moving parts, high reliability
  • High precision level control
  • Meet the safety standard requirements
  • Easily mounting method with locking nut
  • Equipped with 50 cm cable length
No. 3
Liquid Water Level Sensor Liquid Level Probe Sensor for GRL8 Relay Blue 1.5 Meter + Red 3 Meter + White 3.5 Meter
  • ? Easy To Operate : This product is a probe used to detect liquid level, easy to use and practical.
  • ? Application : This liquid level probe can be used with liquid level relay GRL8, the effect is better.
  • ? 3 Styles : The product has 3 styles of blue, white and red, which can meet most of the needs of use.
  • ? Small Size : Small size, easy to carry and store, convenient to use and with good performance.
  • ? High-Quality : Made of high-quality materials, strong and durable, has a long service life.
No. 4
Taidacent Non-Contact Liquid Level Sensor Contactless Water Level Sensor Externally Attached Liquid Induction Level Switch Water Level Switch (NPN Output(24V))
  • The intelligent non-contact liquid level sensor uses advanced signal processing technology and high-speed signal processing chip to break through the influence of the wall thickness of the container and realize the true non-contact detection of the liquid level in the closed container.
  • The liquid level sensor has intelligent liquid level reference adjustment and liquid level memory function, liquid level status display mode, which can realize multi-point series connection; can support high and low level output, NPN, PNP signal output and RS485 communication interface output ;Open collector output mode, wide voltage range (5~24V), suitable for connecting various circuits and product applications(Please Choose the appropriate model for your usage).
  • High stability, high sensitivity, strong interference capability, free from external electromagnetic interference, special treatment for power frequency interference and common mode interference, to be compatible with all 5~24V power adapters on the market.
  • Strong compatibility, through a variety of non-metallic containers, such as plastic, glass, ceramics and other containers, the sensing distance can reach 20mm; liquid, powder, particles can be detected.
  • Open collector output mode, wide voltage range (5~24V), suitable for connecting various circuits and product applications.
No. 5
Liquid Level Transmitter 5m Cable Water Level Sensor Detector Pressure Transmitter for Water Gas Oil 1232VDC 420mA(0-3m)
  • Great Performanc: Full digital conditioning circuit, 420mA output ensure more stable performance. Input level transmitter and highprecision diffusion of silicon for more accurate monitoring of water level.
  • Great Performanc: Full digital conditioning circuit, 420mA output ensure more stable performance. Input level transmitter and highprecision diffusion of silicon for more accurate monitoring of water level.
  • Practical Tool: IP68 multilayer waterproof protection ensure safe use and long service time. 45 degree oblique angle antiimpact, probe detachable antiblocking design.
  • Measured Medium: The measured medium is water, do not test liquids that will corrode stainless steel. Absolutely cannot measure the liquid corrosive to stainless steel, except water, it is not recommended to measure other liquids
  • Product Brief: Air Guide Cable Length: Approx. 5m / 16.4ft, Measurement Accuracy: 0.5%FS, Output : 4-20mA, Power Supply Voltage: 12-32VDC, Medium Temperature: -40-70, Environmental Temperature: -40-80, Temperature Compensation: -10-70.
  • Notice: As a reliable seller, we always do our best to provide good quality and excellent service for our customers. Your trust and your business is so important to us.
No. 6
Aopin Water Level Sensor Switch Stainless Steel,Liquid Level Sensor Float Switch, Ball Float Controller for Water Pump Fish Tank Cistern Sump Filter Aquarium Swim Pool Garden Pond Liquid 2 Pcs
  • ★Specification★: Max Switching Current : 0.5 A ; Max Breakdown Voltage : 220V ; Max Carry Current : 1.0 A ; Max Pressure: 100 PSI / 248˚F (120˚C) ; Wire Length : 300mm ; M10 Metric Thread. Model: ZSL7810:.
  • ★Application★: Liquid level sensor is a device used to sense the liquid level in the storage tank. This product can be used for liquid level sensing, alarm, signal transmission in water dispensers, water purifiers, water heaters, coffee machines, small refrigerators and other home appliances. Specially used for fish tanks, water pumps, cooling barrel, ponds, agricultural equipment, cistern alarm, sump filter aquarium swim pool, garden, well, water towers and other fields.
  • ★HIGH QUALITY MATERIALS★: The liquid level switch is made of high quality stainless steel as a whole, seamless laser welding, no burrs, compact & durable. High temperature resistance. Stainless steel even can work at temperatures up to 248˚F(120°C). The maximum pressure resistance of the stainless steel float can reach 30kg/cm2. Contacts are plated with rhodium, its life span can reach 2 million times. Switch liquid controller can be installed above or on side of the liquid level as required.
  • ★HIGH SENSITIVITY★: Our ring magnet inside the float accurately controls the on and off of the reed switch. Sealing gasket can prevent water from leaking from the mounting hole. High temperature resistant wire copper plated with silver, surface braided layer insulation, high temperature resistant, prevent oxidation, greatly extending the service life. Connection part adopts waterproof solid glue, which has better waterproof performance and good sealing effectand to protect the safety of users!
  • ★DIY CAN BE ADJUSTED★: Normally Closed (NC) and Normally Open (NO) can be adjusted manually, you need to use a vise to pull down the circlip under the float switch, Then adjust the direction of the float to realize the conversion between "NC" and "NO". The normal state is "NC". The liquid with high viscosity, generally should choose a larger outer diameter Float. If you want to control a large liquid range, you can use 2 different length combinations, or buy a double float level switch.
No. 7
Gikfun Non-Contact Liquid Level Sensor Water Level Switch XKC-Y25-NPN for Arduino EK1954
  • Intelligent non-contact liquid level sensor uses advanced signal processing technology and high-speed signal processing chip to break the influence of container wall thickness and achieve a true non-level Contact detection.
  • Non-contact liquid level sensor is not afraid of affecting water quality, does not need regular cleaning, long service life
  • The liquid level sensor can detect the level of various toxic substances, strong acids, strong alkalis and various liquids in high-pressure closed containers, has no special requirements on the material of the liquid medium and the cont
  • The liquid level sensor has instruction, please find on the product information.
  • Brown wire : VCC(DC 5-12V connects power positive) Yellow wire:OUT( signal output) Blue wire: GND(connects power negative) Black wire:M(mode of NO/NC)
No. 8
Generic Liquid Level Transmitter, Waterproof 5m Cable 12‑32VDC 4‑20mA Water Level Transducer, Liquid Level Sensor Detector(0-2m)
  • [Liquid level transmitter]Input level transmitter and high-precision diffusion of silicon for more accurate monitoring of water level.
  • [4-20mA]Full digital conditioning circuit, 4-20mA signal output ensure more stable performance.
  • [IP68 waterproof]IP68 multi-layer waterproof protection ensure safe use and long service time.
  • [Practical design]45 degree oblique angle anti-impact, probe detachable anti-blocking design.
  • [Water level transmitter]The measured medium is water, do not test liquids that will corrode stainless steel.
  • Power source type: PowerSource
No. 9
CYNERGY3 RSF78Y100RN Liquid Level Sensor
  • Price For: Each Output Current: 600mA Approval Bodies: UL Body Material: Polypropylene Circuitry: SPST-NO Connection Size: 1/8" Features: User configurable contacts Float Material: Polypropylene Fluid Specific Gravity Min: 0.85 RoHS Compliant: Yes
No. 10
Taidacent Non Contact Liquid Level Sensor Contactless Water Tank Water Level Sensor for Tank Water Level Control with Low and High Level Output
  • The intelligent non-contact liquid level sensor uses advanced signal processing technology and high-speed signal processing chip to break through the influence of the wall thickness of the container and realize the true non-contact detection of the liquid level in the closed container.
  • The liquid level of various toxic substances, strong acids, strong alkalis and various liquids in the high-pressure closed container can be detected.
  • The liquid to be tested is required to be electrically conductive, the contact surface is non-metal, and the pipe is easy to install and can be widely used.
  • High and low level output: If there is induction, the output is high level; no induction, the output is low level. Specially designed for non-metallic pipe liquid level detection
  • You can adjust sensitivity: Remove the plastic cover of the sensors and turn the very small screw, clockwise decrease sensitivity, counter clockwise to increase the sensitivity.
No. 11
Liquid Level Sensor,TL?136 Throw-in Type Submersible Level Sensor 5 Optional Measuring Range Liquid Level Transmitter,24VDC 4?20mA Output(0-2m)
  • 【High Precision And Accuracy】Input level transmitter, high precision diffusion of silicon, more accurate monitoring of water level.
  • 【Stable Output】All digital conditioning circuit, 4-20mA output is more stable.
  • 【Safe and Reliable】IP68 multilayer waterproof protection, safer to use.
  • 【Excellent Performance】45 degree oblique angle anti-shock, detachable anti-blocking designed.
  • 【Applicability】The measured medium is water, oil and other liquids that do not corrode stainless steel.
No. 12
Submersible Level Sensor 4-20mA, Throw-In Type Liquid Level Sensor,24V DC Input Liquid Level Transmitter,0-5M Measuring Range
  • Material : This level sensor adopts of anti- material, excellent anti- performance and durable,The shell is made of stainless steel and durable, and with waterproof cable, safe to use
  • Features: Anti - bending, high - quality solid structure, high reliability,Anti - blocking design, easy to clean
  • Used: 4-20mA transmission output, can be used with digital display, PLC, inverter, recorder and other instruments
  • Size: Probe size:10 x 2.8cm / 4.13 x 1.10in,Cable length: 6m/19.7ft
  • Detecting Range: The liquid level sensor is suitable for detecting 0-5m range liquid level
SaleNo. 13
Aopin Water Level Sensor Switch Stainless Steel,Liquid Level Sensor Float Switch, Plastic Ball Float Controller For Water Pump Fish Tank Cistern Sump Filter Aquarium Swim Pool Garden Pond Liquid 1 Pcs
  • ★Specification★: Max Switching Current : 0.5 A ; Max Breakdown Voltage : 220V ; Max Carry Current : 1.0 A ; Max Pressure: 100 PSI / 248˚F (120˚C) ; Wire Length : 300mm ; M10 Metric Thread. Model: ZS10010:.
  • ★Application★: Liquid level sensor is a device used to sense the liquid level in the storage tank. This product can be used for liquid level sensing, alarm, signal transmission in water dispensers, water purifiers, water heaters, coffee machines, small refrigerators and other home appliances. Specially used for fish tanks, water pumps, cooling barrel, ponds, agricultural equipment, cistern alarm, sump filter aquarium swim pool, garden, well, water towers and other fields.
  • ★HIGH QUALITY MATERIALS★: The liquid level switch is made of high quality stainless steel as a whole, seamless laser welding, no burrs, compact & durable. High temperature resistance. Stainless steel even can work at temperatures up to 248˚F(120°C). The maximum pressure resistance of the stainless steel float can reach 30kg/cm2. Contacts are plated with rhodium, its life span can reach 2 million times. Switch liquid controller can be installed above or on side of the liquid level as required.
  • ★HIGH SENSITIVITY★: Our ring magnet inside the float accurately controls the on and off of the reed switch. Sealing gasket can prevent water from leaking from the mounting hole. High temperature resistant wire copper plated with silver, surface braided layer insulation, high temperature resistant, prevent oxidation, greatly extending the service life. Connection part adopts waterproof solid glue, which has better waterproof performance and good sealing effectand to protect the safety of users!
  • ★DIY CAN BE ADJUSTED★: Normally Closed (NC) and Normally Open (NO) can be adjusted manually, you need to use a vise to pull down the circlip under the float switch, Then adjust the direction of the float to realize the conversion between "NC" and "NO". The normal state is "NC". The liquid with high viscosity, generally should choose a larger outer diameter Float. If you want to control a large liquid range, you can use 2 different length combinations, or buy a double float level switch.
No. 14
Introduction to Sensors for Electrical and Mechanical Engineers
  • Novák, Martin (Author)
  • English (Publication Language)
  • 314 Pages - 01/07/2022 (Publication Date) - CRC Press (Publisher)
No. 15
level transmitter
  • level transmitter
  • English (Publication Language)
SaleNo. 16
Marcy Pro Water Resistance Rower Rowing Machine for Home Gym LCD Monitor Tracks Time Distance Strokes and Calories NS-6023RW, Black/red/Silver
  • INNOVATIVE ROWER: Experience an efficient cardio workout that’ll give you the same benefits as rowing in water. Engineered with an ingenious water-resistance system, this rower provides a realistic rowing experience right in the comfort of home.
  • ADJUSTABLE WATER RESISTANCE: Engineered with a tank that utilizes water to adjust difficulty, this gear allows users to customize their training and turn up or down the resistance by using the included pump to add or remove water.
  • HANDY COMPUTER DISPLAY: The NS-6023RW is built with a user-friendly LCD monitor that shows useful information such as time, total count, distance, and calories burned. The monitor lets you easily track your progress during each training or workout.
  • SAFETY PEDALS: Equipped with large textured pedals, this machine prevents your feet from sliding during intense rides, allowing for safe workout. It's also furnished with adjustable loops that create the perfect fit to accommodate each user’s feet.
  • COMPACT EXERCISE MACHINE: Enhanced with wheels that enable easy transport, this gear removes the need to carry the equipment from one room to another. The rower’s space-saving design allows you to conveniently store it vertically when not in use.
No. 17
Taidacent Non Contact Liquid Level Sensor Contactless Water Level Sensor Externally Attached Pipe Water Float Switch NPN Output Capacitive
  • The intelligent non-contact liquid level sensor uses advanced signal processing technology and high-speed signal processing chip to break through the influence of the wall thickness of the container and realize the true non-contact detection of the liquid level in the closed container.
  • The liquid level sensor (probe) is installed above and below the outer wall of the container to be tested (the high and low positions of the liquid level). The non-metallic container does not need to be opened, and the installation is simple and does not affect the production.
  • The liquid level of various toxic substances, strong acids, strong alkalis and various liquids in the high-pressure closed container can be detected.
  • The liquid to be tested is required to be electrically conductive, the contact surface is non-metal, and the pipe is easy to install and can be widely used.
  • NPN output: If there is induction, the output is low level; no induction, disconnected
SaleNo. 18
Food Grade Optical Infrared Water Liquid Level Sensor 500mm Cable High Sensibility, Working with Liquid Level Controller(Pack of 3)
  • They have no moving parts and are ideal for point level sensing of water and other liquids.
  • Installation is simple and quick through the tank top, bottom or side.
  • The sensor offers ±1 mm accuracy and broad liquid compatibility.
  • They are suitable for high, low or intermediate level detection in practically any tank, large or small.
  • Cable length 500mm.Input 5VDC,Analog output,XH2.5 connector
No. 19
Gravity: Non-Contact Digital Water/Liquid Level Sensor
  • This is a non-contact water / liquid level sensor. It utilizes advanced signal processing technology by using a powerful chip (XKC-Y25-T12V) with high-speed operation capacity to achieve non-contact liquid level detection.
  • No contact with liquid makes the module suitable for hazardous applications such as detecting toxic substances, strong acid, strong alkali, and all kinds of liquid in an airtight container under high pressure.
  • There are no special requirements for the liquid or container and this liquid sensor is easy to use and easy to install.
  • The liquid level sensor is equipped with an interface adapter that makes it compatible with DFRobot "Gravity" interface. Four levels of sensitivity can be configured by pressing the SET button.
No. 20
D2CS-H Non Contact Type capacitive Water Level Sensor Easy Mounted Long Working Life Level Indicator(Pack of 3)
  • Low power consumption
  • Easy assembly, simply locate the sensor outside the liquid container (low temp) for detection
  • No mechanical moving components, long lifetime
  • Small size, Low cost

How to choose a good electronic component liquid level sensors

Does the idea of finding a fantastic electronic component liquid level 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 liquid level 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 liquid level 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 liquid level 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 liquid level 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 liquid level 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 liquid level 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 liquid level 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 liquid level sensors.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting electronic component liquid level 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 liquid level 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 liquid level 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 liquid level sensors.