PH-100 Digital pH Probe
Advanced digital pH electrode for general applications including industrial wastewater and environmental water monitoring. Features digital output for superior accuracy and stability.
Product Highlights
View all in Specifications tabOverview
The PH-100 is an advanced digital pH electrode designed for industrial wastewater treatment, environmental water monitoring, and general pH measurement applications. This intelligent probe features built-in digital processing for superior accuracy, stability, and noise immunity compared to traditional analog sensors.
Key Features
- Digital Technology: Superior accuracy and stability with digital signal processing
- Dual Output Options: Supports both RS485 Modbus RTU and 4-20mA current output
- Wide Temperature Range: Operates from -10.0 to 130.0°C
- Automatic Temperature Compensation: Integrated PT1000 sensor for precise measurements
- Direct Connection: Connect directly to computer or PLC without additional instrumentation
- Industrial Grade Construction: ABS exterior with NPT 3/4” thread for robust installation
- High Protection: IP68 waterproof rating ensures reliable operation
Applications
- Industrial wastewater treatment plants
- Municipal sewage treatment
- Environmental water quality monitoring
- Process water pH control
- Effluent discharge monitoring
- River and lake water quality assessment
- Aquaculture water monitoring
- Food and beverage processing
Technical Specifications
The PH-100 delivers exceptional accuracy with ±0.01 pH precision across the full -2.00 to 16.00 pH range. The integrated PT1000 temperature sensor provides automatic temperature compensation with ±0.3°C accuracy from -10.0 to 130.0°C, ensuring reliable measurements in varying environmental conditions.
Digital signal processing eliminates noise and interference common in industrial environments, providing stable and reliable measurements even in electrically noisy conditions.
Connectivity and Integration
With its RS485 Modbus RTU interface, the PH-100 seamlessly integrates into modern SCADA systems, IoT networks, and industrial automation platforms. The 4-20mA current output option ensures backward compatibility with traditional industrial controllers, PLCs, and data acquisition systems.
The probe operates on 9-24V DC power supply, making it compatible with standard industrial power systems.
Installation Notes
The NPT 3/4” threaded design provides secure installation in tanks, pipes, and process equipment. The larger Φ28mm diameter accommodates the digital electronics while maintaining a compact profile. The 5-wire/BNC connection ensures secure signal transmission and reliable operation.
Advantages of Digital Technology
Unlike analog pH sensors, the PH-100’s digital design offers:
- Superior noise immunity in electrically harsh environments
- Enhanced long-term stability and minimal calibration drift
- More accurate temperature compensation
- Simplified installation with reduced wiring complexity
- Better repeatability and precision
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