The 10 Best Liquid Level Sensors to Buy – August 2022 Review

Looking for the best Liquid Level Sensors?

We did 12 hours of research and testing 11 products to create this review. We believe the best Liquid Level Sensors doesn’t have to be the most sophisticated to be exceptional. Our product selection lives up to its promise. Many different criteria were used for this comparison to be more relevant and more precise. Now discover our comparison !

TOP 10

No. 1
Generic Liquid Level Transmitter, Waterproof 5m Cable 12‑32VDC 4‑20mA Water Level Transducer, Liquid Level Sensor Detector(0-2m)
4 Reviews
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. 2
Taidacent Mini External Sticker Intelligent Non-contact Electronic Water Level Sensor High Low Level Output Liquid Level Sensor Switch for Water Tank Fish Tank
  • The non-contact liquid level sensor is suitable for the outer wall of non-metallic containers without direct contact with the liquid.
  • Water tank level sensor will not be corroded by strong acids and alkalis and other corrosive liquids, and will not be affected by scale or other debris.
  • The detection is accurate and stable, and the boiling water level can be detected, can be used for water level gauge.
  • High stability, high sensitivity non contact liquid level sensor , strong anti-interference ability, free from external electromagnetic interference, special treatment for power frequency interference and common mode interference, to be compatible with 5V power adapters on the market
  • Small liquid level sensor: High and low level output mode, suitable for connecting various circuits and product applications.
No. 3
EPTTECH 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. 4
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. 5
Madison M8000 Liquid Level Sensor, Miniature Vertical Float Switch, Polypropylene, 1/8" NPT
  • Approvals: CE, UL, CSA, NSF
  • Electrical Ratings: 240 VAC, 0. 14A; 120 VAC, 0. 28A; 120 VDC, 0. 07A; 24 VDC, 0. 28A
  • Stem Material: Polypropylene
  • Float Material: Polypropylene
  • Float SG: 0. 80
  • Lead Wires: 24", 22 AWG, MTW Insulated
  • Max Pressure: 100 PSI/221˚F (105˚C)
  • Mounting: 1/8" NPT
  • Switch Rating: 30 Watt, SPST
  • Note: Switches are rated for resistive loads. See our Electrical Considerations for UL guidelines for current (Amperes resistive) at different voltages
No. 6
EPTTECH Smart TLC 2101 Ultrasonic Level Controller Liquid Ultrasonic Continuous Detect Water Level Monitor with LCD Display Water Level Indicator Alarm for Home Use
  • 4mm high precision
  • 10cm blind zone
  • Adapt to strong acid, strong alkali, salt, high temperature occasions
  • No mechanical moving parts, high reliability
No. 7
Say When Liquid Level Indicator
  • Great tool for the Blind and Low Vision
  • Pocket-sized and easy to carry with you
  • Uses one 9-volt battery (included)
No. 8
Madison M8750 Liquid Level Sensor, Side Mount Float Switch, Polypropylene, 1/2" NPT
  • Approvals: CE, UL, CSA, NSF
  • Electrical Ratings: 240 VAC, 0. 14A; 120 VAC, 0. 28A; 120 VDC, 0. 07A; 24 VDC, 0. 28A
  • Stem Material: Polypropylene
  • Float Material: Polypropylene
  • Float SG: 0. 50
  • Lead Wires: 24", 22 AWG, MTW Insulated
  • Max Pressure/Temp: 100 PSI/221˚F (105˚C)
  • Mounting: 1/2" NPT
  • Switch Rating: 30 Watt, SPST
  • Note: Switches are rated for resistive loads. See our Electrical Considerations for UL guidelines for current (Amperes resistive) at different voltages
No. 9
CQRobot Ocean: Contact Water/Liquid Level Sensor Compatible with Raspberry Pi/Arduino. for Automatic Irrigation Systems, Aquariums, Plants, in The Garden, in Agriculture etc.
  • Contact Water/Liquid Level Sensor, This is a photoelectric water liquid level sensor that is operates using optical principles. Open collector output mode, suitable for connecting various circuits and product applications.
  • The sensor has no mechanical parts, requires no additional adjustment, and has high sensitivity, low power consumption, corrosion resistance, high pressure resistance, high temperature resistance and chemical stability.
  • This sensor probe is small in size and has a structure that can be placed up, down, laterally, and diagonally in multiple orientations to detect solution spillage, dryness and horizontal level. Can be used as a reminder and alarm function.
  • The sensor has a DIP switch. The DIP switch controls the output voltage (high level) of the signal terminal (green line). When the DIP switch is dialed to 5V, the high level is 5V. When the DIP switch is dialed At 3V, the high level is 3.3V.
  • Compatible with Arduino motherboard and Raspberry Pi motherboard. for Automatic Irrigation Systems, Aquariums, Plants, in The Garden, in Agriculture etc.
No. 10
ASHATA Water Level Sensor, DC 24V 4-20mA Throw in Type Liquid Level Sensor Transmitter for Detecting 0-5m Range Liquid Level (5m Range, 6m Wire)
  • 【Stable Design】: The Liquid Level Sensor shell is made of 316 stainless steel, high quality solid structure, Anti bending, high accuracy, high stability, and with waterproof cable, safe to use.
  • 【High Quality】: This level sensor adopts of anti corrosion material(measuring pipe is not), excellent anti corrosion performance and durable. At the same time, it also adopts anti clogging design, easy to clean.
  • 【Widely Application】: This Water Level Sensor is 4 20mA transmission output, can be used with digital display, PLC, inverter, recorder and other instruments.
  • 【Suitable For】: The liquid level sensor is suitable for detecting 0 5m range water level. It can be used for water tanks, river water levels, factory pools, etc.
  • 【The Best Service】: If you have any pre sale or after sale questions please feel free to contact us, we will be happy to assist you.

Intro

Find out where you can get the best Liquid Level Sensors! Making your choice among different Liquid Level Sensors on the market is not always easy. It can also turn into a daunting task because of the many websites offering the same type of product. On this page, we will give you a comparison to get the best value for your money. This complete ranking provides you with a comprehensive view and allows you to pick the best Liquid Level Sensors. You will find a broad selection of models, brands, and prices. Whether you want to save money or find out what is the best Liquid Level Sensors for you, our comparison will help you make the right choice. To keep things practical and easy to understand, we created a Top 10 of the best Liquid Level Sensors. You won’t have to choose your products at random anymore.. On your marks! Compare! Pick your Liquid Level Sensors!

Our Picks

No. 1
Generic Liquid Level Transmitter, Waterproof 5m Cable 12‑32VDC 4‑20mA Water Level Transducer, Liquid Level Sensor Detector(0-2m)
4 Reviews
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. 2
Taidacent Mini External Sticker Intelligent Non-contact Electronic Water Level Sensor High Low Level Output Liquid Level Sensor Switch for Water Tank Fish Tank
  • The non-contact liquid level sensor is suitable for the outer wall of non-metallic containers without direct contact with the liquid.
  • Water tank level sensor will not be corroded by strong acids and alkalis and other corrosive liquids, and will not be affected by scale or other debris.
  • The detection is accurate and stable, and the boiling water level can be detected, can be used for water level gauge.
  • High stability, high sensitivity non contact liquid level sensor , strong anti-interference ability, free from external electromagnetic interference, special treatment for power frequency interference and common mode interference, to be compatible with 5V power adapters on the market
  • Small liquid level sensor: High and low level output mode, suitable for connecting various circuits and product applications.
No. 3
EPTTECH 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

Why you should trust us?

This guide is the result of more than 10 years of experience in researching, testing, and writing about various subject. Our team members are experts in their fields. We spent 12 hours reading all the articles we could find online and all the customer reviews on various retail websites such as Amazon, Ebay, Alibaba or Flipkart. We also found many websites that provided valuable resources such as purchasing guides and detailed information on Liquid Level Sensors. To help you make the best choice among the hundreds of products available, we decided to offer you a comparison in order to find the best value for your money. We searched different fields to find the best Liquid Level Sensors. We also looked at the best alternatives for reasonably priced and easy to use products. After we determined our main parameters, we conducted our research and tests.These parameters separate a great product from an average one:

  • Price
  • Ease of use
  • Customer reviews
  • Quality
  • Durability

Conclusion

We hope this ranking was helpful to you in choosing the Liquid Level Sensors that best suits you. We made it thoroughly and we will update it regularly, so that you get a real-time comparison. Our goal is to allow you to compare models and prices, to get an overview of what the market has to offer. We are here to make it easier for you and to make informed decisions. If our ranking gave you a clearer view on the different products available, feel free to let us know in the comments section. We will happily read them.

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Last update on 2022-08-18 at 17:46 / Affiliate links / Images from Amazon Product Advertising API