The PH-4502C Analog pH Sensor Module is a high-precision sensor designed for accurate pH 0–14 value measurement in water and liquid solutions. Perfect for Arduino, ESP32, STM32, and Raspberry Pi projects, this module is widely used in aquaculture, hydroponics, laboratory experiments, water purification systems, environmental monitoring, and industrial pH control. Featuring a standard BNC probe, it delivers fast, stable, and reliable real-time pH readings for both hobbyist and professional applications.

Features:

• Measures the full pH range from 0 to 14 for versatile water testing.

• Compatible with Arduino, ESP32, STM32, and Raspberry Pi for easy DIY and IoT integration.

• Ideal for aquariums, aquaculture, hydroponic systems, and water purification applications.

• Fast response time with high internal stability for accurate monitoring.

• Standard BNC probe interface ensures universal compatibility with most pH sensors.

• Cost-effective and simple to integrate into real-time water quality systems.

• Suitable for educational, laboratory, and industrial water quality testing.

Specifications:

• pH Measurement Range: 0 – 14 pH

• Operating Temperature: 0 – 60°C

• Temperature Range (Probe): 0 – 80°C

• Zero-Point Offset Voltage: 7 ± 0.25 pH

• Alkali Error: ≤ 15 mV

• Percentage Slope (Theoretical): ≥ 98%

• Internal Resistance: ≤ 250 MΩ

• Response Time: ≤ 1 minute

• Connector Type: BNC Plug

• Power Supply: 3.3V – 5V via signal module

• Analog Output: 0 – 5V linear signal

• Compatibility: Arduino, ESP32, STM32, Raspberry Pi

Applications:

• Aquaponics & Hydroponics: Maintain optimal pH levels for plant growth and fish health.

• Fish Tanks & Aquariums: Monitor water quality for aquatic pets.

• Water Purification Systems: Ensure proper chemical balance in treated water.

• Environmental & Industrial pH Monitoring: Track water pH in laboratories or industrial setups.

• Educational Science Kits: Ideal for STEM learning and student experiments.

• Laboratory pH Testing: Reliable solution for research and analysis.

How to Use:

• Connect the BNC probe to the sensor module securely.

• Power the module with a 3.3V–5V DC supply.

• Connect the analog output to the analog input of a microcontroller or Arduino board.

• Place the probe in the liquid solution and read the pH value in real-time.

• Calibrate using standard pH 4, 7, and 10 buffer solutions for maximum accuracy.

• Monitor the readings to maintain stable water quality in your system.

Package Includes:

• 1 x Liquid pH 0–14 Sensor Module (PH-4502C)

• 1 x pH Electrode Probe with BNC Interface

Why Choose PH-4502C?

• Provides stable and accurate pH readings for both DIY and industrial applications.

• Easy to integrate with microcontrollers and IoT projects.

• Fast response and low maintenance for aquaculture and water quality systems.

• Cost-effective solution for educational, laboratory, and real-time monitoring.

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