WE420 Sodium Analyzer
The WE420 Sodium Analyzer is an online continuous analyzer that uses an ion selective electrode and reference electrode to measure sodium concentration. This instrument provides critical monitoring for water and steam quality, serving as an early indicator of condensate leakage and potential turbine corrosion. With turbine corrosion repairs costing up to $30 billion annually, sodium monitoring helps reduce power generation, transmission, and distribution costs.
Ideal for power generation water applications including:
- Feedwater systems
- Boiler water
- Deaerator inlet/outlet
- Condensate discharge
- Economizer inlet
Key Features
Process Guard
Calibration utilizes the online process sample with Double Known Addition for low range standards, ensuring the most accurate calibration and online measurement readings.
Expert Guide
The WE420 maximizes uptime with simple step-by-step scrolling instructions for setup, including calibration, operation, and diagnostics menus. The large backlit display provides clear visibility of measurements from any distance, even in low-light conditions.
Reduced Maintenance
The WE420 minimizes operator time and maintenance requirements by eliminating complicated moving parts or pumps that typically need frequent attention. Its efficient reagent consumption extends usage up to three months.
The ion selective sensor requires only quick etching in a low-dilution hydrofluoric acid (HF) sample - less concentrated than prescription toothpaste - unlike other units that need thorough soaking in high sodium concentrations followed by pure water rinsing.
Advanced Flexibility
Users can select from three different reagents to meet specific application requirements and environmental compliance standards.
The Importance of Sodium Measurement
Sodium is always present with highly corrosive elements like chlorides, sulfates, and hydroxide. At high pressures and temperatures, sodium becomes readily soluble in steam, potentially causing:
- Stress corrosion cracking of superheater tubes
- Turbine deposits
Sodium ions are the first to indicate exhaustion and leakages in reactions, making them particularly valuable for detecting contamination in condenser cooling water and preventing boiler water contamination.
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