UPW-Q700CRY Fully Automatic Chemical Oxygen Demand Analyzer Introduction: The fully automatic chemical oxygen demand analyzer fully complies with the HJ828-2017 standard and uses potassium dichromate method to determine the chemical oxygen demand in water. Advanced automation technology is applied to automatically add reagents, reflux digestion, quantitative titration, endpoint discrimination, and sample concentration calculation. The entire measurement process fully meets the standard requirements and is suitable for batch automatic determination of chemical oxygen demand in surface water, domestic sewage, and industrial wastewater Compliant with standards: GB11914-89 "Determination of Chemical Oxygen Demand in Water Quality - Dichromate Method" HJ828-2017 "Determination of Chemical Oxygen Demand in Water Quality - Dichromate Method" Features: 1. Fully automated measurement: automatic addition of reagents, automatic reflux digestion, automatic quantitative titration, automatic dilution, and automatic generation of data reports; 2. In situ determination of batch samples: With multiple sample grades, batch samples can be directly digested and titrated in situ without transfer, greatly improving detection efficiency; 3. Precise automatic dosing and titration device: using a precision reagent pump for precise automatic dosing and titration, ensuring measurement accuracy and consistency 4. Efficient automatic cooling device: high-power fan, efficient cooling of samples, improving detection efficiency 5. Automatic color recognition, precise endpoint determination: Imported high-precision color sensors are used to accurately identify color changes, and endpoint determination is fully based on national standard requirements; Not using indirect endpoint judgment methods such as chemical electrodes, and not affected by environmental color, turbidity, impurities, etc 6. Self cleaning system: Start self-cleaning after sample testing to prevent cross contamination, and the cleaning frequency can be flexibly set 7. Closed design of the whole machine: isolates high temperature environment and harmful reagents, effectively protects operators and prevents environmental pollution 8. Comprehensive data processing system: automatic calculation of measurement completion, data can be exported to Excel spreadsheets, PDF version of detection reports can be generated, LIMS can be integrated, real-time uploading of detection data, optional shopping networking system, remote viewing and retrieval of detection data 9. Automatic measurement of various reagents, liquid shortage warning alarm to remind users, ensuring effective operation of experiments 10. The built-in printer supports automatic printing after testing, making it convenient for data traceability 11. Integrated design of the whole machine, reasonable structure, and space saving Technical Specifications: Sample grade: 24/32/customized quantity; Dissolving position: 24/32/customized quantity; Drop positioning: 24/32/customized quantity; Titration arm: 1/2/customized quantity; Measurement range: 16-70000mg/L (over range automatic dilution) Detection limit: 4.0mg/L; Measurement error: ≤ 5.0%; Precision: RSD ≤ 3%; Chlorine gas calibration: modular design, added as needed Sample volume: 10mL
Introduction: The fully automatic chemical oxygen demand analyzer fully complies with the HJ828-2017 standard and uses potassium dichromate method to determine the chemical oxygen demand in water. Advanced automation technology is applied to automatically add reagents, reflux digestion, quantitative titration, endpoint discrimination, and sample concentration calculation. The entire measurement process fully meets the standard requirements and is suitable for batch automatic determination of chemical oxygen demand in surface water, domestic sewage, and industrial wastewater Compliant with standards: GB11914-89 "Determination of Chemical Oxygen Demand in Water Quality - Dichromate Method" HJ828-2017 "Determination of Chemical Oxygen Demand in Water Quality - Dichromate Method"