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Multi-Parameter Online Water Quality Detection, pH, Conductivity, Turbidity, Residual Chlorine Sensor, ORP, Conductivity and Cod Analyzer1
ElectrodepHConductivityTurbidityResidual Chlorine SensorORPConductivity and Cod AnalyzerElectrode of Water Quality AnalyzerDigital Sensor
Wuxi Chaoda Electronic Technology Co., Ltd.
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Product Description Water Quality Analyzer Electrodes: Technical Overview1. pH ElectrodesCore Structure: Composed of a low-impedance glass membrane (e.g., GFT EST-701Y) and an Ag/AgCl reference system with gel electrolyte, ensuring stable potential and anti-pollution performanceFeatures:Wide measurement range (0-14 pH) with linear response.Suitable for harsh environments, including wastewater and high-temperature applications (e.g., -5°C to 135°C) .Requires regular calibration with standard buffer solutions (e.g., pH 4.01, 7.00) for accuracy 2. Dissolved Oxygen (DO) ElectrodesDesign: Utilizes Clark-type membrane technology or optical sensors (e.g., SWAN A-87 series), often integrated with automatic temperature compensation (ATC) for real-time monitoring Applications:Ideal for aquaculture, environmental monitoring, and industrial water systems.Maintenance involves periodic membrane replacement and calibration with zero-oxygen solutions (e.g., sodium sulfite)3. Conductivity ElectrodesConfiguration: Features multi-ring (e.g., 4-ring) or graphite sensors with epoxy resin bodies for wide-range measurement (0-2000 μS/cm to 20,000 μS/cm) Key Parameters:Temperature compensation (NTC10K/PT1000) ensures accuracy across varying conditions.Used in pure water systems, boiler water, and chemical processes 4. Ion-Selective Electrodes (ISE)Function: Measures specific ions using ion-sensitive membranes. Examples include calcium hardness electrodes (Bsens740) for industrial water monitoring Advantages:Direct measurement without reagents; minimal maintenance.Calibration requires standard ion solutions (e.g., 0.1M HCl for electrode reactivation)5. ORP (Oxidation-Reduction Potential) ElectrodesStructure: Platinum or gold sensing elements with a double-junction reference system to prevent contamination Usage: Critical in disinfection (e.g., chlorine monitoring) and redox reaction analysis.6. Multi-Parameter ElectrodesIntegration: Combines pH, DO, conductivity, and ion sensors (e.g., ThermoFisher Eutech PCD650) for comprehensive analysis Features:Waterproof housing (IP65/IP67) for field use.Supports RS485/Modbus communication for data logging and remote control .Maintenance Guidelines:Calibration: Use certified standards (e.g., NIST-traceable solutions) and follow manufacturer protocols .Cleaning: Remove contaminants with deionized water or specific solvents (e.g., 4% HF for glass membrane scaling) Storage: Keep electrodes hydrated (e.g., in 3M KCl for pH electrodes) to prolong lifespan For detailed specifications, refer to technical manuals from brands like SWAN 6, GreenPrima , or HANNA
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