The Best Liquid Level Sensors

Looking for the best Liquid Level Sensors?

Discover now our comparison of the best Liquid Level Sensors. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Liquid Level Sensors are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Liquid Level Sensors in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

EPTTECH Smart TLC2206 WiFi Water Oil Fuel Liquid Tank Level Monitor Indicator Controller Remote Water Level Sensor TUYA Intelligent Liquid Level Detector

LONG MEASURING DISTANCE: 10cm to 3.0m(4 to 118 inches) from the sensor, which is suitable for different tanks.
POWER ADAPTER: Input: 100-240V AC Output:9V DC.
WIFI SIGNAL:The sensor needs to connect to router to get wifi signal.Wifi range is 30m when no obstacle
SAFETY AND HIGH RELIABILITY:IP67 waterproof.CE,Rohs and Reach certification.
REMOTE OIL TANK MONITORING: Check your tank level from your smartphone – anytime, anywhere! No need to open the tank from time to time.
FULL AND LOW LEVEL ALERTS: You will receive message alerts when it is full or low level. Or set the alarm level by app
MULTI TANK MORNITORING:One app can monitor as many as 50 sensors.You can connect multi tanks easily
EASY TO INSTALL:There is a nut to install the sensor.Install the sensor on top of the tank.
OPERATING TEMPERATURE RANGE-10℃~+70℃: suitable for most weather conditions.

No. 2

EPTTECH TLC2206 Tuya Smart Life Mobile APP Wireless WiFi Remote Ultrasonic Contactless Indoor Waterproof IP64 Liquid Water Oil Fuel Level Tank Monitor Sensor Controller Automatic Alarm Indicator

LONG MEASURING DISTANCE: 10cm to 2.5m(4 to 98 inches) from the sensor, which is suitable for different tanks.
POWER ADAPTER: Input: 100-240V AC Output:9V DC.
WIFI SIGNAL:The sensor needs to connect to router to get wifi signal.Wifi range is 30m when no obstacle
SAFETY AND HIGH RELIABILITY:IP64 waterproof.CE,Rohs and Reach certification.
REMOTE OIL TANK MONITORING: Check your tank level from your smartphone – anytime, anywhere! No need to open the tank from time to time.
FULL AND LOW LEVEL ALERTS: You will receive message alerts when it is full or low level. Or set the alarm level by app
MULTI TANK MORNITORING:One app can monitor as many as 10 sensors.You can connect multi tanks easily
EASY TO INSTALL:There is a nut to install the sensor.Install the sensor on top of the tank.
OPERATING TEMPERATURE RANGE-10℃~+70℃: suitable for most weather conditions.
1 YEARS WARRANTY:EPTTECH has provided liquid detection solution for over 20 years.1 years gurranty for longterm service.

No. 3

CQRobot Non-Contact Water/Liquid Level Sensor Compatible with Arduino, Raspberry Pi and Other Motherboards. for Industrial Production, Aquarium, Chemical Solution, Agriculture, Gardening, etc.

The CQRobot non-contact liquid level sensor realizes non-contact detection of the liquid level in a closed container. It adopts advanced signal processing technology and high-speed signal processing chip, breaking through the influence of container wall thickness. It is simple to install and easy to use, and can detect the level of various toxic substances, strong acids, strong alkalis and various liquids in high-pressure airtight containers.
The principle is to use the inductive capacitance of water to detect whether there is liquid. When there is no liquid close to the sensor, the sensor has a certain static capacitance to the ground due to the existence of distributed capacitance on the sensor. When the liquid level slowly rises and approaches In the case of an inductor, the parasitic capacitance of the liquid will be coupled to this static capacitance, making the final capacitance value of the inductor larger.
The changed capacitance signal is then input to the control IC for signal conversion, which converts the changed capacitance into a change of a certain electrical signal, and then a certain algorithm is used to detect and judge the degree of this change. When the change exceeds a certain amount It is considered that the liquid level has reached the sensing point when the threshold is reached.
High stability, high sensitivity, strong interference ability, no external electromagnetic interference, special treatment for power frequency interference and common mode interference, strong compatibility, penetration of various non-metallic containers, such as plastic, glass, For ceramics and other containers, the sensing distance can reach more than 12mm; liquid, powder, and particulate matter can be detected.
The sensor comes with 2 DIP switches, the right DIP switch controls the output voltage (high level) of the signal terminal (green line); when the DIP switch is dialed up, the high level is 5V; when the DIP switch is facing When dialing down, the high level is 3.3V. Compatible with Arduino, Raspberry Pi and Other Motherboards.

No. 4

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
1 YEARS WARRANTY:EPTTECH has provided liquid detection solution for over 20 years.1 years gurranty for longterm service.

No. 5

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 utilizes advanced signal processing technology and a high-speed signal processing chip to overcome the impact of container wall thickness, enabling accurate non-contact liquid level detection in sealed containers.
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

No. 6

4-20MA Output Integral Level Transmitter Liquid Oil Water Level Sensor Probe 304 Stainless Steel with 0-5M Measure Range 6M Cable Detect Controller Float Switch for Pump DC10-30V Power Supply

【Stable Design】: High quality solid structure, Anti-bending, high accuracy, high stability, anti-blocking hole design, easy to clean.
【Premium Quality】: This liquid level sensor adopts of anti-corrosion material, excellent anti-corrosion performance and durable.Anti blocking design, easy to clean.
【healthy to Use】: The shell is made of 304 stainless steel and durable, and with waterproof cable, healthy to use.The liquid level sensor is suitable for detecting 0-5m range water level.
【Excellent Performance】: With reverse polarity and current limit protection, laser proof temperature compensation,programmable adjustment.
【Fitment】:0-5M Measure Range+6M Cable, DC 10-30V Power Supply, 4-20mA transmission output, can be used with digital display, PLC, inverter, recorder and other instruments.

No. 7

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. 8

Water Level Sensor Transmitter Ultrasonic Water Liquid Depth Level Meter Sensor with Temperature Digital Display Multi Function Indoor

It can keep records of liquid level.Water Level Measure Rang: 0~15m. Resolution: 0.01m. Accurate: +/-0.03M.
Displays indoor temperature (℉ or ℃) and temperature (℉ or ℃) at the same time.Indoor Temperature Range: 0~50℃. Outdoor Temperature Range: -40~60℃.
This meter monitors liquid depth level, and displays on a 10 LCD bar graph.
Supports liquid level high/low alarm and liquid empty alert.
The receiver can be put standing on desk or hanging on wall.

No. 9

DC0-110V Liquid Water Level Sensor, Sensor Switch, Male Thread 1/2 NPT 304 Stainless Steel, Suitable for Liquids of Different densities, pressures and temperatures

【PROFESSIONAL】Working Voltage: DC0-110V; Working Current: 0-1A; Working Pressure: 0.2Mpa; Maximum Withstand Voltage: 0.2Mpa; Medium Specific : 0.7; Maximum Temperature : 150℃.
【NORMAL OPEN OR CLOSE】The male thread size of this liquid switch is 1/2NPT. Normally open or normally closed can be adjusted according to your needs. It can do multi-point control, the control switch can be fixed with the liquid level position.
【PREMIUM QUALITY】This switch for water is made of high quality stainless steel material, which is rustproof, wear resistant, high temperature It can be used in weak and alkali places.
【WIDE APPLICATION】This switch normally closed open is suitable for liquids of different densities, pressures and temperatures. Ideal for water dispensers, water heaters, solar energy, air conditioners, humidifiers, etc.
【QUALITY SUPPORT】A wonderful choice for you. If you have any questions with your stainless steel switch for , please us, we will you within 24 hours and provide a complete solution.

No. 10

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)

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Last update on 2025-04-02 / Affiliate links / Images from Amazon Product Advertising API

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