Water & Liquid Sensors

SKU: DF-SEN0368 | Brand: DFRobot

A non-contact capacitive liquid level sensor that detects whether liquid is present inside a non-metallic container or pipe without direct contact with the fluid. It works by measuring changes in capacitance through t...

SKU: EF-EF04027 | Brand: ElecFreaks

Octopus Soil Moisture Sensor Brick can read the amount of moisture present in the soil surrounding it. It's a low tech sensor, but ideal for monitoring an urban garden, or your pet plant's water level. This is a mu...

SKU: DF-DFR0300 | Brand: DFRobot

The Gravity EC (Electrical Conductivity) Sensor measures the conductivity of aqueous solutions, providing an analogue output for Arduino and compatible microcontrollers. EC measurement is essential for monitoring wate...

SKU: DF-SEN0193 | Brand: DFRobot

The Gravity Analogue Capacitive Soil Moisture Sensor measures soil moisture using capacitive sensing rather than resistive probes, providing significantly better corrosion resistance and longer service life. Made from...

SKU: DF-SEN0217 | Brand: DFRobot

INTRODUCTION   The Gravity Water Flow sensor measures the rate of a liquid flowing through it. The YF-S201 water flow sensor consists of a plastic valve body, flow rotor and hall effect sensor. It is usual...

SKU: DF-SEN0161-V2 | Brand: DFRobot

The Gravity Analog pH Sensor/Meter Kit V2 is designed to measure the pH of liquids, indicating acidity or alkalinity on a scale of 0–14. It's commonly used in aquaponics, aquaculture, hydroponics, and environmental wa...

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: PI-PPMB00113 | Brand: Pimoroni

The moisture sensor for micro:bit allows your micro:bit to detect moisture, so if your plant is thirsty you'll know about it! or how about using one and a couple of micro:bits to tell you when your bath has reached...

SKU: DF-SEN0165 | Brand: DFRobot

In the ever-increasing need and awareness for health and safety, water has become a focus point for proper disinfection treatment as aftereffects of industrialization can become a danger for contamination of water...

SKU: SF-SEN-13637 | Brand: SparkFun

A simple breakout board for measuring moisture in soil and similar materials. The two large exposed pads act as probes — functioning as a variable resistor where higher moisture means better conductivity, lower resist...

SKU: DF-SEN0370 | Brand: DFRobot

A non-contact capacitive liquid level sensor designed for small-diameter pipes (outer diameter ≤10 mm). Detects the presence or absence of liquid through the pipe wall without any physical contact with the liquid — ma...

SKU: EF-EF04024 | Brand: ElecFreaks

This is a Rain/steam sensor from ElecFreaks. 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.You even co...

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-SEN0509 | Brand: DFRobot

This capacitive pipeline liquid level sensor of high sensitivity is suitable for non-metallic pipes with a diameter of 6mm. The sensor outputs digital high/low level(low when liquid detected) and adopts 3-pin DuPont c...