Water & Liquid Sensors

SKU: DF-SEN0603 | Brand: DFRobot

##Introduction The soil electrical conductivity (EC) and pH sensor operate within a wide voltage range of 5-30V, transmit data via RS485 using the MODBUS-RTU protocol, and deliver quick, reliable responses with minima...

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: AF-5587 | Brand: Adafruit

If you're like me and have trouble keeping your calatheas and pepperomias happy and not overwatering them to root rot ruin, why not take a gander at the Plant Monitor from Ada-friend Monk Makes. Its a super easy and f...

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: DF-SEN0454 | Brand: DFRobot

A relay-output water leak detector with NO/NC (normally open/normally closed) switching. When water contacts the two sensing probes, the built-in relay triggers — suitable for activating alarms or shutting off equipme...

SKU: DF-SEN0507 | Brand: DFRobot

Different from our previous liquid level sensors, this capacitive liquid sensor can be used to detect high-viscosity and low-corrosive liquids, such as glue, lubricating oil, grease, ink, engine oil, powder and other ...

SKU: AF-5066 | Brand: Adafruit

Measure liquid/water flow for your solar, computer cooling, or gardening project using this handy basic flow meter featuring a fully clear plastic body. This sensor sits in line with your water line and uses a pinwhee...

SKU: AF-3397 | Brand: Adafruit

The Optomax is an optical liquid level sensor that detects the presence or absence of almost any liquid — oil or water based. Inside the polysulfone housing, an infrared LED and matching phototransistor work together:...

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: AF-464 | Brand: Adafruit

The eTape Liquid Level Sensor is a solid-state resistive sensor that measures fluid level without mechanical floats. As the liquid level rises, the hydrostatic pressure compresses the sensor envelope, decreasing its r...

SKU: SF-KIT-30716 | Brand: SparkFun

Add another automated planting zone to your AgXRP setup with this expansion for the AgXRP Starter Kit. It lets students and educators add a second pump and soil moisture sensor, so they can water a second plant indepe...

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-SEN0508 | Brand: DFRobot

This flexible capacitive liquid level sensor detects liquid through the wall of a non-conductive container, so it does not need to touch the liquid itself. It is designed for containers with a wall thickness of less t...

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...