Water Quality PH Sensor & EC Sensor & DO Sensor & ORP Sensor Series
Water quality sensors can measure a wide range of parameters, including pH level, dissolved oxygen, conductivity, turbidity, temperature, salinity, total dissolved solids (TDS), and various contaminants.
DFRobot offers a wide range of liquid sensors, catering to both lab grade and industrial grade. Our sensors are designed to meet the highest quality standards and provide accurate and reliable measurements. Whether you need a sensor for research purposes or for integrating into industrial systems. Feel free to explore our selection and reach out to our customer service team for any further inquiries.They can be used with Arduino or other microcontrollers for various applications, such as water quality monitoring, hydroponics, aquariums and smart home.
Grade
Lab Grade
Industrial Grade
Fast response, practical range
High quality, enhanced endurance
Product Name
Figure
SKU
SEN0161
SEN0169
SPECIFICATION
Supply Voltage: 5V Range: pH 0-14
Supply Voltage: 5V Range: pH 0-14
FEATURES
Quick-start pH Meter
Cost-effective pH Meter Pro Kit
Add to Cart
Add to Cart
Add to Cart
Grade
Lab Grade
Industrial Grade
Fast response, practical range
High quality, enhanced endurance
Product Name
Figure
SKU
SEN0161-V2
SEN0169-V2
SPECIFICATION
Supply Voltage: 3.3V, 5V Range: pH 0-14
Supply Voltage: 3.3V, 5V Range: pH 0-14
FEATURES
Upgraded circuit, more easy-to-use
Highly suitable for long-term pH monitoring
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Add to Cart
Add to Cart
Grade
Lab Grade
Industrial Grade
Fast response, practical range
High quality, enhanced endurance
Product Name
Gravity: Analog Electrical Conductivity Sensor /Meter V2 (K=1)
Figure
SKU
DFR0300
SEN0451
SPECIFICATION
Supply Voltage: 3.3V, 5V Range: 0-20ms/cm
Supply Voltage: 3.3V, 5V Range: 0-2ms/cm
FEATURES
Quick-start EC Meter
All-metal probe, temperature & pressure resistance, more durable
Add to Cart
Add to Cart
Add to Cart
Grade
Lab Grade
Fast response, practical range
Product Name
Gravity: Analog Electrical Conductivity Sensor / Meter(K=10)
Figure
SKU
DFR0300-H
SPECIFICATION
Supply Voltage: 3.3V, 5V Range: 10-100ms/cm
FEATURES
Wide range, good for testing various water quality.
Add to Cart
Add to Cart
Grade
Lab Grade
Fast response, practical range
Product Name
Gravity: Analog Dissolved Oxygen Sensor / Meter Kit for Arduino
Figure
SKU
SEN0237-A
SPECIFICATION
Supply Voltage: 3.3V, 5V Range: 0-20mg/L
FEATURES
Great helper for ecological aquaculture
Add to Cart
Add to Cart
Grade
Lab Grade
Industrial Grade
Fast response, practical range
High quality, enhanced endurance
Product Name
Figure
SKU
SEN0165
SEN0464
SPECIFICATION
Supply Voltage: 5V Range: -2000mV ~ +2000mV
Supply Voltage: 5V Range: -2000mV ~ +2000mV
FEATURES
Combing with other water quality sensors for multi-parameters sensing
Industrial probe, 24-hour monitoring
Add to Cart
Add to Cart
Add to Cart
Here are some items you might be interested in for liquid sensors：
Project 1. Arduino Project: pH sensor Working, application & Calibration "Water Quality Monitoring"
Introduction: This tutorial is about how to use the pH sensor with Arduino and find the pH value of different liquids “Water, Milk and Cold rink”, and display the pH value on the serial monitor.
Project 2. Build KnowFlow: automatic water monitor
KnowFlow is the name of this water quality monitoring device, based on Arduino Uno. It can automatically monitor 5 parameters of water: pH, Temperature, Dissolved Oxygen, Electronic Conductivity, ORP.
Project 3. Analog Dissolved Oxygen Sensor Tutorial | DIY Arduino D.O. Meter
Introduction: Since measuring the parameter of water quality is a complex task, so measuring the dissolved oxygen in water is also not an easy task. That is why the Dissolved Oxygen Meter (DO Meter) available in the market is very expensive. That is why it is important to make your own Dissolved Oxygen Meter. So the Gravity Analog Dissolved Oxygen Sensor from DFRobot is one of the most popular and best Dissolved Oxygen Sensors that are available in the market.
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