Water & Liquid Sensors

SKU: DF-SEN0237-A | Brand: DFRobot

This is a dissolved oxygen sensor kit, which is compatible with Arduino microcontrollers. This product is used to measure the dissolved oxygen in water, to reflect the water quality. It is widely applied in many wa...

SKU: DF-SEN0169 | Brand: DFRobot

This is a professional Arduino pH Sensor Meter Kit with industrial electrode. It has built-in simple, convenient , practical connection and long life (up to 1 year), which makes it very suitable for long term onli...

SKU: DF-SEN0216 | Brand: DFRobot

The Water Flow sensor measures the rate of a liquid flowing through it. The YF-S401 water flow sensor consists of a plastic valve body, flow rotor and hall effect sensor. It is usually used at the inlet end to det...

SKU: AF-828 | Brand: Adafruit

An inline flow sensor for measuring liquid or water flow in solar heating, computer cooling, irrigation, and other fluid projects. The sensor uses a pinwheel with a magnet and an external hall effect sensor to count r...

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: DF-DFR0300-H | Brand: DFRobot

Gravity: Analog Electrical Conductivity Sensor / Meter(K=10) OverviewDFRobot Gravity: analog electrical conductivity sensor/meter(K=10) is particularly used to measure the high electrical conductivity liquid, such as ...

SKU: DF-SEN0464 | Brand: DFRobot

As an upgraded version of Industrial Gravity: ORP Sensor Meter For Arduino, this new generation ORP probe employs platinum indicator electrode and silver-silver chloridereference electrode, which makes it available fo...

SKU: DF-SEN0485 | Brand: DFRobot

This small 5V non-contact liquid level sensor with Gravity Interface is able to detect 0-100°C conductive liquid levels in non-metallic containers in sensing range of 3mm. Provided with digital quantity output(low), t...

SKU: SF-SEN-13322 | Brand: SparkFun

The SparkFun Soil Moisture Sensor is a simple breakout for measuring the moisture in soil and similar materials. The soil moisture sensor is pretty straight forward to use. The two large exposed pads function as probe...

SKU: DF-SEN0223 | Brand: DFRobot

The Gravity Conductivity Sensor Switch module can be used to detect if an object has electrical conductivity. Its maximum detection value is 10MΩ. It can detect not only coins, wires, metal and other good conducto...

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-SEN0550 | 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 ensure good waterproofness. Also, it embraces high anti-...

SKU: DF-SEN0549 | Brand: DFRobot

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

SKU: DF-SEN0545 | Brand: DFRobot

This smart rain sensor offers a fast way to detect rainfall change on glass in real-time free from effects like sunlight, dust, leaves, etc., and feeds back information (no rain, light rain, moderate rain, or heavy ra...

SKU: AF-4414 | Brand: Adafruit

The Adafruit LPS33HW is a water-resistant barometric pressure sensor designed for use in harsh environments. The sensing element is housed in a ceramic package with waterproof gel protection, making it suitable for lo...

SKU: DF-SEN0249 | Brand: DFRobot

The Gravity Spear Tip pH Sensor Kit is designed for measuring the pH of semi-solid materials such as wet soil, fruit, meat, and vegetables. The stainless steel spear tip protects the glass electrode and allows the pro...

SKU: DF-SEN0121 | Brand: DFRobot

This is a steam(water)sensor from DFRobot. This steam sensor can be connected to the Arduino IO Expansion shield directly. The output voltage will increase when the humidity of the sensor surface goes up. Notic...

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: AF-833 | Brand: Adafruit

This brass liquid flow meter measures water or other liquid flow using a pinwheel and Hall effect sensor. As liquid passes through the 1/2" threaded brass body, it spins an internal pinwheel with a magnet attached. A ...