
Overview
This is a photoelectric water liquid level sensor that operates using optical principles.
The advantages of this photoelectric water liquid level sensor are good sensitivity and no need for mechanical parts - meaning less calibration!
The corrosion resistant probe is easily mounted and can handle high temperature and high pressure.
The arduino liquid sensor is equipped with an interface adapter for compatibility with the DFRobot "Gravity" interface.To ease the difficulty of using this arduino liquid sensor, a Gravity Interface is adapted to allow plug&play.
The Arduino IO expansion shield is the best match for this sensor connecting to Arduino, as this liquid sensor is able to work at 3.3V which makes it compatible with Raspberry Pi, intel edison, joule and curie.
Note: Avoid placing the sensor near bright lights or in direct sunlight as these can cause interference.
Tech specs
- Operating voltage: 5 VDC
- Output current: 12 mA
- Working temperature: - 25 ~ 105 ℃
- Low level output: < 0.1 V
- High level output: > 4.6 V
- Liquid level detection accuracy: ±0.5 mm
- Material: PC
- Measuring range: No limit
- Life: 50,000 hours
Get Inspired

… them with the new and improved version: if you need help, just follow our dedicated tutorial. After the launch of the Nano ESP32 earlier this year, it’s the perfect addition to the “tiny footprint, mighty features” family that has proven time and time again that we can ramp up features and performance while scaling down size. Don’t believe us? Check out the classic Arduino Nano or upgrade to the Nano 33 BLE Sense Rev2 if you want to include a complete set of sensors, too. For full tech specs, tutorials and inspiration on the Nano 33 BLE Rev2, head to the dedicated Arduino Docs page. Ready to get your own? The Nano 33 BLE with headers and without headers are now available on our Store. With headers Without headers