WE430 Hydrazine Analyzer
The WE430 Hydrazine Analyzer is an online continuous analyzer that uses an ion-selective electrode to measure voltage potential between the sensing element and reference electrode. Designed for ease of operation and calibration, the WE430 delivers accurate, precise measurements that are both repeatable and verifiable.
Hydrazine serves as a common oxygen scavenger. Elevated concentrations of dissolved oxygen accelerate corrosion, making online measurement essential for rapid control and effective alarming.
The WE430 is ideally suited for monitoring oxygen control in feedwater, boiler water, deaerator inlet/outlet, condensate discharge, and economizer inlet. It ensures optimal oxygen scavenger levels without disrupting system pH or incurring unnecessary costs.
Key Features
Process Guard - Trustworthy Measurements
The Yokogawa WE430 Hydrazine Analyzer delivers stable, drift-free measurements with minimal maintenance and reduced calibration frequency. Built-in online diagnostics and hardware calibration functions enhance operator confidence in analyzer performance.
Advanced Flexibility
The WE430 accommodates multiple oxygen scavengers beyond hydrazine, with simple electronic modifications required for:
- Hydrazine (N2H4)
- Elimin-ox™
- Sodium sulfite Hydroquinone
Expert Guide
The WE430 maximizes uptime through intuitive operation featuring step-by-step scrolling instructions for setup, calibration, operation, and diagnostics. The large, backlit display ensures clear visibility of measurements from any distance, even in low-light conditions.
Reduced Maintenance
Engineered to minimize operator intervention, the WE430 eliminates complex moving parts and pumps that typically require frequent attention and costly spare parts. Its efficient reagent consumption extends operational periods up to two months between refills.
Importance of Hydrazine Measurement
Hydrazine serves dual purposes in water treatment: removing dissolved oxygen and maintaining feedwater alkalinity. Due to its significant cost, precise dosing based on dissolved oxygen levels is critical. Insufficient dosing may leave residual oxygen, while excessive dosing results in unnecessary expense.
Hydrazine measurement applications include deaerator inlets, feed water systems, economizer inlets, and deaerator outlets - all requiring verification of proper dosage based on dissolved oxygen levels while preserving alkalinity.
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