Product Introduction

The KH.SZ-PHG Online pH Sensor is a high-precision digital instrument designed for continuous monitoring of water quality in rivers, reservoirs, and other freshwater systems. Using advanced glass electrode technology with integrated digital processing, it delivers stable and accurate pH readings with automatic temperature compensation.

Its IP68-rated waterproof design ensures reliable long-term operation even in harsh outdoor conditions. The sensor supports real-time data transmission via RS485 Modbus RTU, making it fully compatible with telemetry systems, SCADA platforms, and IoT-enabled environmental monitoring networks.

This sensor is ideal for hydrological monitoring, smart water management, flood early warning systems, and environmental research, providing actionable water quality data for decision-making and resource management.

Key Features

• High-Precision pH Measurement
  Advanced glass electrode ensures accurate readings across the full pH range (0–14) for consistent environmental monitoring.
• Automatic Temperature Compensation
  Maintains stable accuracy across 0–60°C water temperatures.
• Fast Response and Low Drift
  Delivers reliable pH readings within 30 seconds; resolution 0.01 pH, drift ≤ ±0.1 pH.
• Long-Term Stability
  Extended maintenance cycles with MTBF ≥720 hours, minimizing operational interruptions.
• IP68 Waterproof Design
  Suitable for long-term deployment in rivers, reservoirs, and environmental monitoring stations.
• IoT & SCADA Integration Ready
  Supports RS485 Modbus RTU communication for seamless integration into smart water monitoring platforms.
• Compact and Easy Installation
  Lightweight design allows easy deployment on hydrological poles or monitoring stations.

Application Scenarios

• Rivers and Streams: Real-time pH monitoring for water quality assessment and ecological studies.
• Reservoirs and Lakes: Continuous water quality measurement for resource management and environmental protection.
• Hydrological Monitoring Stations: Integration into telemetry networks for automated water quality monitoring.
• Flood Early Warning Systems: Supports environmental sensors for comprehensive hydrological risk assessment.
• Smart Water Networks: IoT-enabled monitoring for continuous environmental data collection and analysis.

Technical Specifications