GR-2116 Online CODCr Analyzer Introduction: GR-2116 is an online CODCr automatic analyzer based on potassium dichromate high-temperature closed digestion-spectrophotometry. It adopts an integrated digestion/colorimetric module, photoelectric non-contact metering, and bubble agitation mixing technology. It features automatic chromaticity/turbidity compensation, liquid leakage alarm, and fault self-diagnosis functions, and is suitable for compliance monitoring and process control of various sewage discharge outlets. Features: 1. Compliance and Precision: Fully compliant with HJ/T 399-2007, meeting the validity requirements for online monitoring data of pollution sources. 2. Low operation and maintenance costs: The total amount of liquid measured per instance is small, resulting in minimal reagent consumption, with approximately 60 minutes of maintenance required per month. 3. Stable and reliable: Integrated digestion/colorimetric module ensures complete digestion; bubbles agitate and mix evenly, without cross-contamination. 4. Smart and Convenient: One-button operation via a color touch screen, automatic calibration, automatic cleaning, and fault self-diagnosis. 5. Safety protection: Automatic leakage alarm, high-pressure closed digestion to prevent corrosive gas leakage. 6. Flexible expansion: Multiple measurement ranges are available, and customization for high-concentration ranges is supported. The communication interface is rich and compatible with mainstream industrial control systems. Technical Specifications: Measurement principle: High-temperature closed digestion of potassium dichromate - spectrophotometry (to detect the amount of Cr³⁺ generated) Measured wavelength: 440 nm Measuring range: Standard: 0–100/200/500/1000 mg/L; Extensible to 0–5000 mg/L (customized) Detection limit: ≤5 mg/L Accuracy: ＞100 mg/L: ≤±10% of measured value; ≤100 mg/L: ≤±6 mg/L Repeatability: >100 mg/L: ≤±5% of measured value; ≤100 mg/L: ≤±5 mg/L Zero drift: ≤±5 mg/L Span drift: ≤±10% of full scale Digestion time: 15/30/120 min (standard); 3/5/20/40/60/80/100 min (optional) Measurement interval: continuous, scheduled between 1–24 hours, or triggered via serial port Batch processing capacity: 15/30 samples/batch Anti-interference: Automatic chromaticity and turbidity compensation
GR-2116 Online CODCr Analyzer Introduction: GR-2116 is an online CODCr automatic analyzer based on potassium dichromate high-temperature closed digestion-spectrophotometry. It adopts an integrated digestion/colorimetric module, photoelectric non-contact metering, and bubble agitation mixing technology. It features automatic chromaticity/turbidity compensation, liquid leakage alarm, and fault self-diagnosis functions, and is suitable for compliance monitoring and process control of various sewage discharge outlets.
