Product Introduction

The KH.SZ-PHG Industrial Online pH Sensor is a high-precision digital water quality monitoring instrument designed for continuous pH measurement in industrial, environmental, and chemical process applications. Utilizing advanced glass electrode technology combined with integrated microcontroller digital processing, it provides accurate, stable, and reliable pH data with automatic temperature compensation.

Its IP68-rated waterproof design allows continuous submersion up to 60 meters, making it suitable for industrial tanks, reservoirs, wastewater systems, and chemical process control. Real-time pH readings are transmitted via RS485 Modbus RTU, enabling seamless integration with PLC, DCS, SCADA, and IoT monitoring platforms, supporting smart water management, environmental compliance, and industrial process optimization.

Key Features

• High-Precision Measurement: Glass electrode sensing ensures accurate and reliable pH readings across the full 0–14 pH range
• Automatic Temperature Compensation: Maintains high accuracy from 0–60°C, providing stable long-term operation under variable environmental conditions
• Fast Response Time: Provides stable pH readings within 30 seconds, suitable for real-time industrial process monitoring
• Excellent Repeatability and Low Drift: Resolution of 0.01 pH with drift controlled within ±0.1 pH, ensuring consistent water quality data
• Long-Term Stability: MTBF ≥720 hours per cycle, with calibration intervals up to 6 months, reducing maintenance and operational costs
• IP68 Waterproof Design: Supports long-term submersion up to 60 meters, ideal for harsh industrial, wastewater, and chemical environments
• Easy System Integration: RS485 Modbus RTU output is compatible with PLC, DCS, SCADA, and IoT platforms, enabling smart monitoring and automated control

Application Scenarios

• Industrial Tanks and Process Systems: Continuous pH monitoring for chemical production, manufacturing, and industrial water treatment
• Environmental Water Quality Monitoring: Rivers, reservoirs, and lakes for industrial water management and compliance
• Wastewater Treatment Plants: Real-time monitoring of effluent pH and industrial wastewater
• Chemical Process Control: pH measurement in acidic, alkaline, and saline solutions for process optimization and safety
• Laboratory and Online Monitoring: High-precision real-time pH measurement for research, environmental studies, and quality control
• IoT and Smart Water Networks: Integration into telemetry, SCADA, and remote monitoring systems for continuous water quality management

Technical Specifications