10 Best Liquid Level Sensors
#1 Best Pick
4-20mA Liquid Level Sensorďź12-32VDC Output Liquid Level Detector,Liquid Level Transmitter,for Water, Oil, Etc (Range 0-3 Meters)
Brand: Jectse
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- Input level transmitter, high diffusion of silicon, more accurate monitoring of water level.
- All digital conditioning circuit, 4-20mA output is more stable.
- IP68 multilayer waterproof , safer to use.
- 45 degree oblique angle anti-shock, detachable anti-blocking designed.
- The measured medium is water, oil and other liquids that do not corrode stainless steel.
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#2 Best Value
TL 136 Water Level Sensor Detector Liquid Level Sensor Transmitter 24VDC 4â20mA Output (Measuring Range 0-4 Meters)
Brand: YDuupxe
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- Stable Output ďź All digital conditioning circuit ensures a stable 4-20ma output for reliable performance
- Waterproof Design ďź Ip68 multilayer waterproof makes it safer to use in various environments
- High Precision Monitoring ďź Input level transmitter with high precision diffusion of silicon for more accurate water level monitoring
- Anti Shock Feature ďź 45-Degree oblique angle anti-shock design and detachable anti-blocking feature enhance durability
- Versatile Use ďź Suitable for measuring water and non-corrosive liquids, thanks to the stainless steel construction
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#3 Budget Pick
ULTECHNOVO Water Level Detection Module Sensor for Liquid Level Indicator Suitable for Water Tank Pump and Controller Automation Detection
Brand: ULTECHNOVO
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- Real time monitoring: provides accurate water level detection to ensure timely pump activation and deactivation, preventing dry running and extending equipment lifespan,tank water level indicator,water detection sensor
- Versatile applications: suitable for use in aquariums, industrial tanks, and other water systems, this liquid level sensor adapts to diverse settings,liquid level sensors,water level tool
- Efficient pump control: automatically manages water pump operations based on liquid levels, ensuring optimal performance and preventing equipment damage,water level supplies,water control detection sensor
- Sturdy material: this liquid level controller is crafted from plastic and alloy, ensuring lasting performance in various environments,liquid detection sensor,water level controller
- Broad usage scenarios: whether in fish tanks, water storage, or fountains, this liquid level controller fits seamlessly into various settings,liquid level transducer,water sensor
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#4 Top Choice
Liquid Level Sensor 4-20mA, Water Level Transmitter 12-32V DC 5m Cable, 304 Stainless Steel Level Transducer Detector, Input Type Waterproof Level Sensor (0-1m)
Brand: Sorandy
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- ăAccurate MonitoringăInput water level transmitter and high accuracy diffusion silicon for more accurate level monitoring.
- ăStable PerformanceăFull digital conditioning circuit and 4-20mA output ensure more stable sensor performance.
- ăIP68 WaterproofăThe water level sensor adopts IP68 multi-layer waterproof to ensure safe use and long service life.
- ăImpact ă45-degree inclined angle anti-impact, detachable probe anti-clogging design.
- ăWater Level MeasurementăMeasuring medium is water, please do not test the liquid that will corrode stainless steel.
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#5 Popular Choice
Liquid Level Sensor 4-20mA, Water Level Transmitter 12-32V DC 5m Cable, 304 Stainless Steel Level Transducer Detector, Input Type Waterproof Level Sensor (0-5m)
Brand: Sorandy
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- ăAccurate MonitoringăInput water level transmitter and high accuracy diffusion silicon for more accurate level monitoring.
- ăStable PerformanceăFull digital conditioning circuit and 4-20mA output ensure more stable sensor performance.
- ăIP68 WaterproofăThe water level sensor adopts IP68 multi-layer waterproof to ensure safe use and long service life.
- ăImpact ă45-degree inclined angle anti-impact, detachable probe anti-clogging design.
- ăWater Level MeasurementăMeasuring medium is water, please do not test the liquid that will corrode stainless steel.
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#6 Top Pick
Create idea 2pcs 3.3V-5V Non Contact Water Level Sensor for Handheld Sensing Device
Brand: Create idea
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- Wide Voltage Range: Operates on 3.3Vâ5V input, suitable for various low-voltage sensing and control applications.
- Non-Contact Design: Detects liquid level through plastic containers, ensuring Non-Contact and preventing corrosion or leakage issues.
- Easy Wiring: Red wire for positive, black for negative, and yellow as the signal output for clear connection.
- Versatile Applications: Ideal for handheld sensing devices, water dispensers, aroma diffusers, humidifiers, and similar equipment.
- Installation Note: Must be used near a plastic water tank or container to ensure accurate and reliable sensing performance.
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#7 Top Pick
Leopacat Non Contact Liquid Level Sensor, Contactless Water Sensor Externally Attached Induction Switch Tank Intelligent High Sensitivity Detection Tool for Airtight Non Metallic Container
Brand: Leopacat
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- Advanced Non-Contact Liquid Level Detection: Our state-of-the-art PNP output water level switch employs cutting-edge processing technology and a high-speed chip to deliver accurate liquid level detection without any physical contact. Perfect for airtight containers, it ensures precise measurements every time
- User-Friendly Installation: Designed for hassle-free setup, this innovative liquid level sensor can be easily positioned at both high and low levels beneath your container. With its intelligent high-sensitivity features, thereâs no need for drilling holes in non-metallic containers install with ease
- Wide-Ranging Versatility: Our contactless detection tool is adept at measuring liquid levels across an array of substances, including acids and various liquids housed in high-pressure airtight containers. Enjoy the flexibility to work with diverse mediums and container materials without restrictions
- Reliable and Long-Lasting: Built with an external liquid induction tool featuring a robust electronic circuit structure rather than mechanical parts, this sensor guarantees stable performance and longevity. Experience high stability, sensitivity, and exceptional resistance to electromagnetic, power frequency, and common mode interference
- Broad Compatibility: This liquid level sensor is compatible with most 5-12V power adapters and works seamlessly with a variety of non-metallic materials, such as plastic, glass, and ceramics. As long as there's an induction distance of 13mm or greater, our NPN output level sensor provides accurate and stable readings for liquids, powders, and even boiling water levels
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#8 Top Pick
2X Tank Pool Horizontal Water Level Float Switch Liquid Level Sensor Ball - 12V 220V 10W
Brand: KUNLONGSKY
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- 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 control, pet bowls, fish tanks, filtration, heating, or what ever your project may be
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#9 Top Pick
Liquid Level Sensor 4-20mA, Water Level Transmitter 12-32V DC 5m Cable, 304 Stainless Steel Level Transducer Detector, Input Type Waterproof Level Sensor (0-)
Brand: Sorandy
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- ăAccurate MonitoringăInput water level transmitter and high accuracy diffusion silicon for more accurate level monitoring.
- ăStable PerformanceăFull digital conditioning circuit and 4-20mA output ensure more stable sensor performance.
- ăIP68 WaterproofăThe water level sensor adopts IP68 multi-layer waterproof to ensure safe use and long service life.
- ăImpact ă45-degree inclined angle anti-impact, detachable probe anti-clogging design.
- ăWater Level MeasurementăMeasuring medium is water, please do not test the liquid that will corrode stainless steel.
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#10 Top Pick
Water Level Sensor, Stainless Steel Float Switch Vertical Mounted Liquid Level Sensor for Tank/Pump Water Level Control Fish Tank Aquarium Hydroponics System (1PC)
Brand: RUJUE
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- Float Ball Size : 75x28mm,Wire Length : 400mm,Screw : M10*1.5mm.
- Durable : Long service life and will help to save your repair costs.
- Easy to use : Vertical mounted liquid level sensor. It can be easily installed through a simple drill hole inside the container.
- Advantage : This float switch is a simple structure and easy installation of the liquid level regulator. It has no complex circulation and is not disturbed. Lightweight and simple operating principle, high reliability.
- Widely Applications : For tank / pump water level control,fish tank and aquarium system,water level control of household appliances,water level control of swimming pool, fountain, pond, waterfall, etc.
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