Level sensors are precision instruments designed to measure and monitor liquid levels across various industrial and hobbyist applications. At Robu, we offer a comprehensive range of high-quality level sensors including ultrasonic, float switches, capacitive, and pressure-based sensors. These advanced devices find extensive applications in water management systems, aquariums, industrial tanks, and automated brewing setups. Our level sensors deliver accurate, reliable measurements ensuring optimal performance in both commercial and personal projects.
Robu’s level sensor collection caters to engineers, hobbyists, and professionals seeking durable solutions for continuous or point-level detection. Whether you require non-contact ultrasonic sensors for dusty environments or traditional float switches for straightforward applications, Robu provides precisely calibrated options to suit your requirements. All our level sensors meet international quality standards and come with comprehensive technical documentation. Experience seamless integration with Arduino, Raspberry Pi, and other microcontrollers through our carefully selected product range at Robu.
Level Sensors
Showing 1–48 of 124 results
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Best Prices, Level Sensors
Anti-Corrosion Water Level Sensor with Ball Float Switch
SKU: 28661- Rating contract (Max.): 10 W
- Switching power supply (Max.): 110VDC
- Resistance contract (Max.): 100 Ω
- Appro. Float Ball Size (mm) : 24×17 (LxD)
- Body Total Length (mm) : 85
- Cable Length (cm) : 37
- Total Float opening: 70°
- Switch ON/OFF angle Approx. betn 15° to 20°
SKU: 28661 -
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Level Sensors
Side Mounted Small Float Level Control Switch Plastic Float Switch 55mm
SKU: 610757- Rhodium reed switch
- Special handling reed switches in high temperature
- Overall performance and reliable float switch
- Long-lasting life: Up to 100 million times
- Switch Length: 55 mm
- Cable Length: 300 mm
SKU: 610757 -
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Level Sensors
XH-M203 12V 10A Water Level Controller Module
SKU: 1794279- Current: Operating – 200mA Relay Switch – 10A (Please note this is not the actual current that can handle the relay. we recommended up to 3A. If you are looking for higher current switching please add another high current switch with module relay.)
- Type: LED indicator for water level.
- I/O Pins: Water Level High input & Water Level Low input.
- Operating Voltage: AC12V DC12V.
SKU: 1794279 -
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Level Sensors
Square 10M Float Switch For Industry Pump Tank Sensor
SKU: 1150817- Product: 10M Float Switch For Industry Pump Tank Sensor
- Rated current/voltage: 10(8A) 250V ~ 10(4A) 380V
- Wire Length:10m
- Protection class: IP68
- Working pressure:0.1MPa
- Operating temperature: 0~75℃
- Electrical life: 1 x 100 000 times
- Mechanical life: 5 x 100 000 times
SKU: 1150817 -
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Level Sensors
Square 15M Float Switch For Industry Pump Tank Sensor
SKU: 1364651- Product: 15 M Float Switch For Industry Pump Tank Sensor
- Rated current/voltage: 10(8A) 250V ~ 10(4A) 380V
- Wire Length:15m
- Protection class: IP68
- Working pressure:0.1MPa
- Operating temperature: 0~75℃
- Electrical life: 1 x 100 000 times
- Mechanical life: 5 x 100 000 times
SKU: 1364651 -
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Level Sensors
HS-S37A , Water Depth Sensor
SKU: R223419- Analog Signal Output – Measures water depth via voltage changes.
- Wide Compatibility – Supports 3.3V/5V, works with Arduino & ESP32.
- Simple 3-Pin Interface – Easy to connect: VCC, GND, Signal.
- Depth Calculation – Formula: (Current – Initial) / 100.
- Buzzer Integration – Triggers alarm when water exceeds set level.
SKU: R223419 -
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Level Sensors
DFRobot Non-contact Capacitive Liquid Level Sensor for Container ODgreater than 11mm
SKU: 1495703- Pure electronic circuit structure, non-mechanical structure, stable performance, and long working life
- High sensitivity and strong anti-interference ability, not affected by external electromagnetic interference
- Special treatment for power frequency interference, and common mode interference.
- Strong compatibility, penetrate all kinds of non-metallic container pipes, such as plastic, glass, ceramic, and other containers.
- Suitable for all types of detection of curved or flat surfaces, arcs, cylindrical containers or piping fluids
- Suitable for various circuits or applications
SKU: 1495703 -










































