Analog pH Sensor Electrode with Amplifier Circuit

The Analog pH Sensor Electrode with Amplifier Circuit is a high-precision pH measurement module designed for monitoring the acidity and alkalinity of liquids. It consists of a pH electrode probe and a signal conditioning amplifier board that converts the weak electrode signal into an analog voltage output, making it easy to interface with Arduino, ESP32, STM32, Raspberry Pi (via ADC), and other microcontrollers. Ideal for water quality monitoring, hydroponics, aquaculture, laboratories, and industrial applications, this module is available at Directronics and is perfect for students, hobbyists, makers, educators, and professional engineers.

Features:

• High-Precision Analog pH Measurement Module

• Includes pH Electrode and Amplifier Circuit

• Analog Voltage Output

• Adjustable Calibration Potentiometer

• High Sensitivity and Stability

• Wide pH Measurement Range

• BNC Connector for Easy Probe Connection

• LED Power Indicator

• Compact and Durable PCB Design

• Easy Integration with Popular Microcontrollers

• Replaceable pH Electrode

• Suitable for Continuous Water Quality Monitoring

Why Choose Analog pH Sensor Electrode with Amplifier Circuit?

• Provides accurate and reliable pH measurements

• Easy analog interface for microcontroller projects

• Adjustable calibration for improved accuracy

• Replaceable probe extends product lifespan

• Ideal for laboratory, industrial, and DIY applications

• Perfect for beginners, students, hobbyists, and professionals

Applications:

• Water Quality Monitoring

• Hydroponic Systems

• Aquaculture and Fish Farming

• Swimming Pool Water Testing

• Laboratory Experiments

• Environmental Monitoring

• Smart Agriculture Projects

• IoT Water Monitoring Systems

• Educational Electronics Projects

• Prototype Development

Technical Specifications:

• Product Type: Analog pH Sensor Module

• Sensor Type: Glass pH Electrode with Amplifier Circuit

• Measurement Range: pH 0–14

• Measurement Accuracy: ±0.1 pH (Typical, After Calibration)

• Output Type: Analog Voltage

• Operating Voltage: 5V DC

• Interface: Analog Output (AO)

• Probe Connector: BNC

• Calibration Method: Onboard Potentiometer

• Operating Temperature: 0°C to +60°C (Probe Dependent)

• Compatible Controllers: Arduino, ESP32, STM32, Raspberry Pi (with ADC)

Package Includes:

• 1 × Analog pH Sensor Amplifier Module

• 1 × pH Electrode Probe

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• TDS Water Quality Sensor

• Water Turbidity Sensor Module

• DS18B20 Waterproof Temperature Sensor

• ESP32 Development Board

• Arduino Uno

• Raspberry Pi Pico

• Breadboard

• Jumper Wire Kit

• 16×2 LCD Display Module

• OLED Display Module

Why Buy from Directronics?

Directronics provides quality development boards, communication modules, sensors, electronic components, robotics modules, power management solutions, and IoT products for students, makers, educational institutions, startups, and industry professionals. Explore our complete range of Arduino, ESP32, ESP8266, Raspberry Pi, power modules, motor drivers, programming tools, and embedded development products to bring your ideas to life.

Note:

Product images are for illustration purposes only. Actual probe design, PCB layout, and connector placement may vary depending on the manufacturing batch. The pH sensor must be calibrated using standard buffer solutions before use for accurate measurements. Always keep the electrode moist using an appropriate storage solution and avoid prolonged exposure to dry conditions to maintain sensor performance.