Liquid pH Sensor With BNC pH Electrode Probe For Arduino

The Liquid pH Sensor with BNC pH Electrode Probe is a high-precision measurement tool designed to accurately determine the pH levels of liquids, identifying whether a solution is acidic, neutral, or alkaline. With a broad detection range of pH 0–14 and an accuracy of ±0.1 pH at 25°C, this sensor is perfect for Arduino projects, water quality analysis, chemistry experiments, hydroponics, aquariums, and environmental monitoring. Featuring a durable glass electrode and stable reference electrode, it provides fast, reliable readings and outputs an analog voltage signal for effortless integration with microcontrollers and data acquisition systems.

Key Features

• Heating Voltage: 5 ± 0.2V (AC/DC)
• Working Current: 5–10mA (low power usage)
• Detectable pH Range: 0–14 (full range measurement)
• Temperature Range: 0°C to 80°C (suitable for most liquid environments)
• Response Time: ≤ 5 seconds for quick measurement
• Settling Time: ≤ 60 seconds for stable output
• Power Consumption: ≤ 0.5W (energy efficient)
• Humidity Rating: up to 95% RH (nominal 65% RH)
• Module Size: 42 × 32 × 20 mm (compact design)
• Analog Voltage Output for easy Arduino/MCU interfacing

Specifications

• Working Voltage: 5V ± 0.2V (AC or DC)
• Current Consumption: 5–10mA
• pH Detection Range: 0 to 14
• Temperature Range: 0°C to 80°C
• Accuracy: ±0.1 pH at 25°C
• Response Time: ≤ 5 seconds
• Settling Time: ≤ 60 seconds
• Operating Temperature: -10°C to +50°C (nominal 20°C)
• Module Size: 42 × 32 × 20 mm
• Humidity Range: up to 95% RH
• Output: Analog voltage signal
• Mounting: 4 × M3 mounting holes
• Board Size: 43 × 32 mm
• Temperature Measuring Range: 0–60°C
• Gain Adjustment: On-board potentiometer
• Power Indicator: LED status light

Applications

• Arduino & microcontroller-based pH measurement
• Hydroponics nutrient monitoring
• Aquarium and fish tank water testing
• Environmental water quality assessment
• Chemistry and laboratory experiments
• Food processing and beverage quality control
• Swimming pool pH monitoring
• Industrial fluid measurement systems

Package Includes

• 1 × Liquid pH Sensor Module
• 1 × Liquid pH Probe with BNC Interface

Why Choose This BNC pH Sensor?

This reliable pH measurement kit delivers fast response times, high accuracy, broad pH detection range, and effortless Arduino compatibility. Ideal for research, automation, and water quality analysis, it ensures stable and accurate pH readings across a wide variety of applications. Its durable probe, stable analog output, and easy setup make it one of the best pH sensors for DIY electronics, laboratories, and industrial monitoring systems.