Water Level Sensor

Water level sensors, often known as the level sensors, are used to detect the level of substances that can flow. The water level sensor is restricted to check the level of water. Though it may also be used to check the level of other fluids that can flow, including the slurries, granular materials, and also powders, you will need a water level sensor when you need to check the level measurements inside a container or even a river or a lake. It’s a simple way to determine the number of materials that are found within a closed container or even the water flow in an open channel.

Water Level Sensor

There are many types of water level sensors that you can choose from the market! They all do what every water level sensor should do. Notably, the primary water level sensors can be used to identify that point at which a liquid falls or rises above the maximum. They have unique features that make the water sensing to be possible. Some will use a magnetic float that can rise or fall with a liquid in a container. The liquid rises with a magnet until a specific point where a magnetic reed switch is activated.

A water level sensors exist in a myriad of types. They can come in several variations, including the ultrasonic sensors, the bubblers, the float sensors, and pressure transducers. All these are the options that you can expect a water level sensor to be! Many forms may be available, but they still do the same.

If you intend to acquire one of the best water level sensors, then you can always choose the best from the best-selling platforms! It will be wise to check the price, the features, and more so what the buyers are saying about the water level sensor! A cost-effective water level sensor will be an excellent investment!

 

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Best Water Level Sensor Deals

SwitchBot WiFi Water Leak Detector, Smart Water Sensor with 100dB Adjustable Alarm&App Alerts, IP67 Waterproof, Detector for Home with Cable, No Hub Required (Support 2.4G) (White, Pack, 1)

Image of SwitchBot WiFi Water Leak Detector, Smart Water Sensor with 100dB Adjustable Alarm&App Alerts, IP67 Waterproof, Detector for Home with Cable, No Hub Required (Support 2.4G) (White, Pack, 1)

$19.99 @ Amazon.com (Save 9%)

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Key Features

  • ✅ Real-time Notifications (No Hub Needed): After connecting to Wi-Fi, you will be able to receive real-time email and app notifications remotely when dripping, leaking, or flooding is detected, without the need to purchase an additional hub. Share devices with family, and they can also check home status at any time. (2.4Ghz Wi-fi Only)
  • ✅ High Sensitivity Drip Alarms: This device is equipped with four sensor probes at the top and bottom, which can detect a low water level of just 0.5mm. If water pipes drip, and your floor is submerged, or gets wet, it will sound an alarm. Water Leak Detector is compact and convenient in size, suitable for placement in laundry rooms, water heaters, dishwashers, sinks, and other places.
  • ✅ Water Level Detection: Equipped with a 1-meter extended probe, you'll be able to detect changes in water levels of places like swimming pools, bathtubs, and fish tanks. It can also be placed in narrower areas, such as inside refrigerators or washing machines. And is suitable for homes, warehouses, basements, sinks, water heaters, pipelines, and more.
  • ✅ Includes Loud Alarm Sounds: To help you stay alert, we've included 100dB high pitched alarms, which means even if there is a leak in basements or places a little further away, you'll know in a timely manner. Once discovered, you can manually set it back to mute without worrying about noise issues.
  • ✅ IP67 Waterproof, Up to 2 Years Battery Life: Water Leak Detector is designed with a fully sealed waterproof shell and can easily handle high humidity working environments. It comes with 2 x AAA batteries and has a battery lifespan of up to 2 years. When battery is low, our app will also send notifications to remind you to replace them in a timely manner.

Product Details

Brand:SwitchBot
Model:W4402010
Color:White
Dimensions:1.3 X 1.3 X 3.1 inches

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

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

Key Features

  • ✅ 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.

Product Details

Brand:CQRobot
Model:CQRSENYW001
Size:Non-Contact
Color:Non-Contact
Dimensions:N/A X N/A X N/A in

yeesport 3 PCS SS2 AC Float Switches, L Shape AC Float Switch with 3/4 in Adapter & 6 Ft Wire, Water Level Sensor Switch for Air Conditioner Drain, Condensate Overflow Detection, HVAC Safety Accessory

Image of yeesport 3 PCS SS2 AC Float Switches, L Shape AC Float Switch with 3/4 in Adapter & 6 Ft Wire, Water Level Sensor Switch for Air Conditioner Drain, Condensate Overflow Detection, HVAC Safety Accessory

Key Features

  • ✅ Quick L-Shaped Installation: Designed with L shape and 3/4 inch slip socket adapter; simplifies direct mounting to most air conditioner drain lines; supports SCH 40 PVC connections for secure, leak-proof fit; saves time and labor in tight spaces
  • ✅ Reliable Water Level Detection: For stable, accurate overflow monitoring; helps prevent water spillage by triggering auto shutoff when condensate rises; increases system safety in residential and commercial HVAC setups
  • ✅ Long Reach Wiring: 6 ft (72 in) pre-wired, 18 AWG cable; offers flexible routing and placement for diverse installation scenarios; ensures connection to control panels, alarms, or auxiliary shutoff circuits; minimizes need for wire extension or splicing
  • ✅ Reliable Construction: Crafted from quality material; anti-corrosion and wear-resistant materials withstand prolonged use in damp environments; maintains dependable sealing, electrical isolation, and float performance after repeated cycles
  • ✅ Great for Multiple Units: Set contains 3 float switches, each with adaptor and wire; great for large installations, building maintenance, or HVAC service providers; enables simultaneous setup for several units and for emergency response

Product Details

Brand:yeesport
Model:1
Color:Transparent
Dimensions:2.38 X 1 X 2.56 Inches

MySpool Water Level Alert with Text Message and Email Notifications, Battery Powered with a Float Sensor

Image of MySpool Water Level Alert with Text Message and Email Notifications, Battery Powered with a Float Sensor

Key Features

  • ✅ Email and text message notification when water level change is detected. All services are free.
  • ✅ Battery powered wireless water level detector using your WiFi, no app to install and no hub is required. Perfect as a standalone high or low water alarm. Mounting bracket is included.
  • ✅ Waterproof float sensor with a 5 ft wire connected to a rugged enclosure protecting smart electronics. This float sensor can be used to detect high or low water levels, the default setting detects high water levels. Flip the float ring and use this device to detect low water levels in aquariums, ponds, and storage tanks.
  • ✅ Alert is sent if the float rises to signal high water level. Flip the float ring to send alert when water level falls. 3 AAA batteries are included. Batteries are good for 500 alerts or more. Remaining battery charge information is included with every message sent. Batteries are not used at all unless your device is sending an alert. They are shipped with an estimated shelf life of at least 7 years.
  • ✅ Rugged enclosure supports up to 250 lbs, designed to operate in dusty and moldy environments. Avoid costly repairs by keeping MySpool Water Detector anywhere that has the potential for flooding or developing a leak.

Product Details

Brand:MySpool
Model:MYSPOO
Color:white
Dimensions:2 X 2 X 4 inches

Ximimark 3 pc Water Level Sensor Horizontal PP Side Mount Float Switch for Tank Pool Arduino

Image of Ximimark 3 pc Water Level Sensor Horizontal PP Side Mount Float Switch for Tank Pool Arduino

$8.99 @ Amazon.com

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Key Features

  • ✅ A float switch is a device used to sense the level of liquid within a tank, it may actuate a pump, an indicator, an alarm, or other device.
  • ✅ Use them with hydroponics, saltwater tank, freshwater tank, gardening, aquariums for power head control, pet bowls, fish tanks, filtration, heating etc.
  • ✅ Good quality, Not easily damaged and good quality.
  • ✅ Package Indluced:3 pc Water Level Sensor Horizontal PP Side Mount Float Switch For Tank Pool Arduino
  • ✅ Thank you so much for your purchasing from our store.Any question ,please feel free to contact us.

Product Details

Brand:Ximimark
Model:LY1653
Dimensions:N/A X N/A X N/A in

Risinglink Smart Water Level Monitor, WiFi-Enabled, Text/Email Alerts, Indoor/Outdoor Detector, Battery Powered, Stainless Steel Float Sensor

Image of Risinglink Smart Water Level Monitor, WiFi-Enabled, Text/Email Alerts, Indoor/Outdoor Detector, Battery Powered, Stainless Steel Float Sensor

Key Features

  • ✅ Easy Setup: No need for apps or hubs, simply connect the device to your WiFi network(Note: only 2.4GHz WiFi supported). No monthly fees or subscription costs.
  • ✅ Multiple Notifications: Receive alerts via email and text message for high or low water levels, water level returning to normal, low battery, and device offline (WiFi connection lost). Unlike typical systems that only alert during abnormal conditions, ours also notifies you when the water level returns to normal—providing a complete picture and added peace of mind.
  • ✅ Enhanced Alert Reliability: Risinglink allows you to register 2 phone numbers and 4 email addresses per device. Be cautious of competitors claiming to support multiple phones; some restrict direct text alerts to only one phone number, relying on unreliable Email-to-SMS services for the 2nd phone. Others depend entirely on Email-to-SMS for all alerts. If you and an additional contact, such as a spouse or coworker, need timely and reliable text alerts, Risinglink is the right choice for you!
  • ✅ Durable Construction: The stainless steel float sensor offers superior reliability and durability compared to plastic alternatives, and it features a 10-foot long cable for added convenience.
  • ✅ Effortless Installation: Easy to install the stainless steel float sensor. With its own weight, just hang the float sensor without the need for a mounting bracket.

Product Details

Brand:Risinglink
Model:WD201W
Color:White
Dimensions:4.72 X 4.92 X 1.57 inches

Nestool Smart Water Leak Detector, WiFi Water Sensor with APP Push and Sound Alarm, Battery Replaceable (Included), Suit for Home Basement Kitchen, No Hub Required (Support 2.4G)

Image of Nestool Smart Water Leak Detector, WiFi Water Sensor with APP Push and Sound Alarm, Battery Replaceable (Included), Suit for Home Basement Kitchen, No Hub Required (Support 2.4G)

Key Features

  • ✅ 100dB Loud Alarm & Adjustable Volume: Be alerted immediately with a powerful 100dB siren and flashing red light the moment a leak is detected. Customize the volume easily via the app to fit your environment—set it loud for the basement or lower for the bedroom at night, ensuring you're always notified without the disturbance.
  • ✅ Instant Smartphone Alerts, No Hub Required: Get real-time notifications sent directly to your phone via the free Tuya Smart app as soon as water is detected, with no extra hub to buy. Whether you're at work or on vacation, stay connected and share access with family members for 24/7 peace of mind. (Requires 2.4GHz Wi-Fi only).
  • ✅ Versatile Placement for Whole-Home Protection: Our compact sensor and included 1-meter extended probe protect every corner of your home. Perfect for under sinks, behind washing machines, water heaters, basements, and even for monitoring fish tanks or sump pumps to prevent costly water damage.
  • ✅ Ultra-Low Battery Consumption & Reminders: Enjoy up to one year of continuous protection from just 2 AAA batteries (not included). The app will proactively send a low-battery alert, so you’ll never be caught off guard. It’s a truly wireless and worry-free solution.
  • ✅ Smart Integration & Easy Mute: Seamlessly works with Amazon Alexa and Google Assistant for voice control. If the alarm sounds, you can quickly mute it directly from the device or via the app, giving you full control to silence it the moment a leak is handled.

Product Details

Brand:Nestool
Model:SQ400C
Color:White
Dimensions:2.5 X 2.5 X 1 inches

WWZMDiB 12 Pcs Water Level Sensor for Arduino DIY, Compatible with Arduino, Electronic Component, Liquid Level Sensor

Image of WWZMDiB 12 Pcs Water Level Sensor for Arduino DIY, Compatible with Arduino, Electronic Component, Liquid Level Sensor

$6.99 @ Amazon.com

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Key Features

  • ✅ Water Level Sensor: Determine water level by measuring the volume of a drop/water with a series of exposed parallel wires
  • ✅ Working voltage: DC 3-5V
  • ✅ Operating current: less than 20mA
  • ✅ Commonly used in: HVAC, dehumidifiers, testing instruments, automobiles, automatic control, weather stations, humidity regulators and other related temperature detection and control

Product Details

Brand:WWZMDiB
Model:water level sensor
Dimensions:2.44 X 0.79 X 0.31 inches
Warranty:0

Moray Smart WiFi Water Level Sensor Water Tank Level Monitor Oil Tank Gauge Sensor , Automatic Alarm Indicator for Tuya Smart Life Mobile APP Smart Home Remote IP65 Waterproof (ME201W)

Image of Moray Smart WiFi Water Level Sensor Water Tank Level Monitor Oil Tank Gauge Sensor , Automatic Alarm Indicator for Tuya Smart Life Mobile APP Smart Home Remote IP65 Waterproof (ME201W)

Key Features

  • ✅ 【Smart Remote Monitoring】 Check your water or oil tank level anytime via Tuya Smart Life APP. Supports multi-tank monitoring (up to 10 sensors) for full remote control.
  • ✅ 【Long Range & High Accuracy】 Measures from 10cm–4m (4–157in) with precise ultrasonic detection. Perfect for which is suitable for different tanks.
  • ✅ 【Stable 2.4G WiFi Connection】 Connects easily to your home WiFi network. 30m signal range (no obstacles). Compatible with Gateway Smart Home Remote/Tuya smart systems.
  • ✅ 【IP65 Waterproof 】 Durable design with CE, RoHS, REACH certifications. -10℃ to +70℃: Suitable for most weather conditions.
  • ✅ 【Smart Alerts & Easy 】 Get full/low level notifications or set custom alarm limits. Simple top—Comes with all parts and mounts the sensor on the top of the tank.

Product Details

Brand:MORAYELEC
Model:Tank Level Sensor
Color:Orange
Dimensions:7.086614166 X 2.755905509 X 7.086614166 Inches

EPTTECH TLC2206 Tuya Smart Life Mobile APP Wireless WiFi Remote Ultrasonic Contactless Indoor Waterproof IP67 Liquid Water Oil Fuel Level Tank Monitor Sensor Controller Automatic Alarm Indicator

Image of EPTTECH TLC2206 Tuya Smart Life Mobile APP Wireless WiFi Remote Ultrasonic Contactless Indoor Waterproof IP67 Liquid Water Oil Fuel Level Tank Monitor Sensor Controller Automatic Alarm Indicator

Key Features

  • ✅ LONG MEASURING DISTANCE: 10cm to 3.0m(3.94 to 118.11 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.

Product Details

Brand:EPTTECH
Model:Smart TLC2206
Color:Black
Dimensions:3.62204 X 2.83464 X 2.83464 inches
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