HPW7000 pH Measurement System

Field of Application :

The HPW7000 HiPurity Water pH Measurement System is designed for accurate and stable pH measurement in low-conductivity water samples (<10 mmho/cm). It is an industry benchmark for accuracy, offering a cost-effective, easy-to-install, and reliable solution for critical applications such as power generation, where maintaining water purity is essential for equipment longevity.

What Is It? :

The HPW7000 is a specialized electrode mounting assembly optimized for low-conductivity water pH measurement. It features:

• A stainless steel flow chamber that ensures precise pH readings
• A measuring/reference electrode system designed for stability and accuracy
• An integral temperature sensor and solution ground for improved temperature sensitivity
• Shielded electrode cables up to 36 feet, eliminating the need for mounting preamplifiers and enhancing noise immunity
• Compact design, ideal for installation in water sample panels with space constraints

The HPW7000 seamlessly integrates with Honeywell’s UDA2182 and DirectLine® Series for enhanced pH monitoring.

Features :

The HPW7000’s specially designed flow chamber optimizes sample flow volume, ensuring proper mixing patterns for precise pH measurement. The flowing reference electrode enhances accuracy while minimizing calibration offset errors.

Key operational features include :

• Fixed electrode positioning, ensuring consistent results during calibration and replacement
• Clamp mechanism, allowing quick electrode removal and reinstallation
• Noise-resistant design, preventing streaming potentials and drift common in low-conductivity water

Key Benefits :

• Accurate and stable pH measurement, even in ultra-pure water applications
• Reduced maintenance and calibration errors, lowering operational costs
• Compact and easy installation, suitable for space-constrained environments
• Improved noise immunity, minimizing signal drift and ensuring reliable readings

Applications :

Measuring pH in high-purity water is challenging due to low conductivity, which can cause noise, drifting, and unstable readings. The HPW7000 HiPurity Water pH Measurement System overcomes these issues with its optimized flow chamber and advanced electrode design, delivering highly accurate and stable measurements while reducing maintenance efforts and costs.