Water & Liquid Sensors

SKU: DF-SEN0257 | Brand: DFRobot

The Gravity Analog Water Pressure Sensor measures water or gas pressure and outputs a linear 0.5–4.5 V analogue signal proportional to the applied pressure (0–1.6 MPa). Using the DFRobot Gravity 3-pin interface, it co...

SKU: DF-KIT0139 | Brand: DFRobot

This throw-in type liquid level transmitter adopts high-performance pressure sensing chip, with advanced circuit processing and temperature compensation technology. The level transmitter receives different pressures a...

SKU: DF-SEN0551 | Brand: DFRobot

This Gravity: liquid flow sensor is designed based on the electromagnetic principle. It adopts O-ring rubber seal and uses silicone sealant at the outlet end to strength water-resistance. With high anti-interference a...

SKU: SF-SEN-13835 | Brand: SparkFun

The SST Liquid Level Sensor provides single-point liquid detection via a TTL-compatible push/pull output. Its miniature optical design allows installation in tight spaces where traditional float switches won't fit. A...

SKU: DF-SEN0554 | Brand: DFRobot

This non-contact turbidity sensor detects water quality by measuring the level of turbidity. Based on the optics principle, it is capable of detecting the light transmittance and scattering rate of the liquid in trans...

SKU: DF-SEN0451 | Brand: DFRobot

This industrial Gravity kit measures electrical conductivity in aqueous solutions, helping you evaluate water quality by tracking dissolved content or salinity. It is suited to hydroponics, aquaculture and environment...

SKU: DF-SEN0713 | Brand: DFRobot

This industrial-grade chlorophyll sensor measures chlorophyll concentration in water using the fluorescence principle, making it useful for algae monitoring in rivers, lakes, ponds, aquaculture systems and field resea...

SKU: DF-SEN0709 | Brand: DFRobot

This industrial-grade ORP (Oxidation-Reduction Potential) sensor is built for reliable water quality monitoring in demanding environments. Its integrated probe and housing measure ORP from -1999 to 1999mV, with RS485 ...

SKU: DF-SEN0716 | Brand: DFRobot

This industrial non-contact liquid level sensor uses capacitive sensing to detect liquid through non-metallic container walls, so it does not need to touch corrosive, viscous or contaminated liquids. It is suited to l...

SKU: DF-SEN0715 | Brand: DFRobot

This compact capacitive sensor detects the presence or level of liquid through non-metallic container walls, so it does not need to touch the liquid. That helps avoid corrosion, contamination and media adhesion when m...

SKU: DF-SEN0676 | Brand: DFRobot

This 80GHz millimetre-wave radar module is built for precise, non-contact liquid level detection. Using Frequency Modulated Continuous Wave (FMCW) radar, it measures from above the liquid surface, making it suitable f...

SKU: DF-SEN0708 | Brand: DFRobot

This industrial-grade water quality sensor is designed for continuous pH monitoring in demanding environments. Its integrated probe and housing provide a robust, streamlined setup for measuring pH in non-corrosive, we...

SKU: DF-SEN0712 | Brand: DFRobot

This industrial-grade residual chlorine sensor is designed for precise, reliable water quality monitoring in demanding environments. Its integrated probe and housing measure residual chlorine concentrations, specifica...

SKU: DF-SEN0706 | Brand: DFRobot

This industrial-grade water electrical conductivity sensor combines the probe and housing into a single integrated unit for straightforward installation and reliable measurement. It uses an electrode constant of K=1 a...

SKU: DF-SEN0710 | Brand: DFRobot

Designed for industrial water-quality monitoring, this turbidity probe measures suspended particles using the 90° light scattering principle. The probe and housing are integrated into a compact IP68 unit, so it can be...

SKU: DF-SEN0681 | Brand: DFRobot

This sensor is designed for monitoring dissolved oxygen in seawater and other high-salinity applications. It uses fluorescence quenching rather than a traditional electrochemical cell, so it does not consume oxygen du...

SKU: DF-SEN0680 | Brand: DFRobot

This optical dissolved oxygen probe is designed for measuring DO levels in freshwater environments such as aquaculture tanks, rivers, lakes, reservoirs and treatment facilities. It uses fluorescence quenching, measuri...

SKU: SF-SEN-27312 | Brand: SparkFun

This 50mm MagnetoPot provides potentiometric position feedback without needing a traditional external wiper or actuator. An outside magnet guides the built-in magnetic element, allowing the sensor to report position t...