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NEXI-PHG-406 Online pH Sensor ,Water treatment industry/Chemical production/Food and beverage industry/Environmental monitoring,12–24VDC

Brand: Nexisense

Model: PHG-406

Output: RS-485 (Modbus/RTU)

Power: 12–24VDC

IP Rating: IP68

Range: 0–14 pH

Description: The Nexisense PHG-406 online pH sensor is designed for environmental water quality monitoring and industrial production processes. With its high accuracy, high stability, and easy installation, it is your ideal online pH measurement solution.

Products Description

Nexisense PHG-406 Online pH Sensor  Product Definition

The Nexisense PHG-406 Online pH Sensor is a high-performance measurement device specifically designed for real-time monitoring of liquid acidity and alkalinity. Its design meets the needs of various industrial applications, including water treatment, chemical reaction processes, and other scenarios requiring precise pH measurements.

Working Principle

The PHG-406 sensor utilizes an advanced dual high-impedance differential amplifier, offering strong anti-interference capabilities and fast response characteristics. Its patented pH probe slowly releases internal reference solution through a microporous salt bridge, ensuring stability and accuracy under a pressure of at least 100 kPa. This probe design extends the electrode's lifespan to twice that of conventional industrial electrodes.

Structural Analysis

The Nexisense PHG-406 sensor features a reasonable structural design that ensures stability and reliability in various environments. Its main structural components include:

  • Probe: Made from high-quality materials to ensure corrosion resistance and durability.

  • Signal Output Module: Supports RS-485 (Modbus/RTU protocol) for easy connection with third-party devices such as PLCs and DCS.

  • Protective Housing: IP68 protection grade, ensuring the sensor operates normally underwater or in harsh environments.

Measurement Method

The PHG-406 features automatic temperature compensation (NTC) technology, providing accurate pH measurements within a temperature range of 0 to 65°C. Its measurement range is from 0 to 14 pH, with a resolution of 0.01 pH and an accuracy of ±0.1 pH and ±0.3°C. Through two-point calibration, users can ensure the reliability of measurement results.

Nexisense PHG-406 Online pH Sensor  Product Parameters

ParameterSpecification
ModelNexisense PHG-406
Measurement Range0–14 pH
Resolution0.01 pH
Accuracy±0.1 pH, ±0.3°C
Working Temperature0–65°C
Working Pressure<0.2 MPa
Temperature CompensationAutomatic temperature compensation (NTC)
Power Supply12–24VDC
Signal OutputRS-485 (Modbus/RTU)
Wetted MaterialPOM
Mounting MethodImmersion mounting, 3/4 NPT thread
Cable Length5 meters (other lengths can be customized)
CalibrationTwo-point calibration
Power Consumption0.2W@12V
Protection GradeIP68

Nexisense PHG-406 Online pH Sensor  Applicable Fields

The Nexisense PHG-406 Online pH Sensor is widely used in the following fields:

  • Water treatment industry

  • Chemical production

  • Food and beverage industry

  • Environmental monitoring

  • Laboratory research

Summary Description

The Nexisense PHG-406 Online pH Sensor, with its high precision, stability, and convenient installation method, is an ideal choice for environmental water quality monitoring and industrial applications. Whether in water treatment, chemical reactions, or other scenarios requiring real-time pH measurement, the PHG-406 provides reliable solutions, helping users achieve efficient production management and environmental monitoring. Choose Nexisense PHG-406 for an exceptional measurement experience and long-term value.

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