Online Sulfide Analyzer

 

Measurement principle

The measurement method of HH-1084 online sulfide analyzer is that through pretreatment, the sulfide was converted into H₂S → H₂S reacted with a specific reagent to generate blue methylene blue → the absorbance of methylene blue at 665nm was measured → the concentration of sulfide was quantified by combining Lambert-Beale law and standard curve.

• It has the function of separating clean liquid and waste liquid, and automatically distributes the cleaning liquid and waste liquid to different collection barrels;
• It has automatic calibration function and can be set to execute periodically;
• It has the functions of equal time interval measurement, whole point measurement and controlled measurement to meet the different needs of various fields. It has the automatic standard sample verification function, which can be set to execute on a daily schedule. When the verification is not qualified, it will automatically calibrate and then verify after calibration to ensure the linear accuracy of the equipment;
• It has the automatic cleaning function, and the pipeline and digestion tank will be cleaned before and after the measurement, and can also set regular additional cleaning to ensure the cleanliness of the pipeline and digestion tank;
• It has power-on self-test and abnormal reset functions to ensure that the equipment automatically restores to normal state after power-on after abnormal power failure;
• It has the alarm function of insufficient reagent, heating failure and photoelectric abnormality, which can sound the alarm in real time and record the alarm information;
• It has three levels of permission management function, and different personnel are assigned different operation permissions to prevent non-professionals from misoperation leading to distortion of equipment data or failure;
• It has the function of recording operation logs and process logs, so as to facilitate the view of equipment operation status and personnel operation records.

• Supports customized range, with multiple options;
• Using multi-point metering module, the quantity is faster and more accurate;
• The new type of discharge valve was jointly developed, which effectively reduced the interference of liquid extraction and improved the service life of the discharge valve; 24-bit high-precision AD chip was used to greatly improve the measurement accuracy;
• The initial signal measurement and measurement can be automatically initialized without manual adjustment, improving the operation and maintenance efficiency;
• The amount of reagent used is greatly reduced, about 40% less than before;
• The data stability is improved, which is relatively increased by 30%-50% compared with the previous;
• System upgrade supports USB drive upgrade, no need for remote, improve operation and maintenance efficiency.

The HH-1084 online sulfide analyzer is widely used in surface water, drinking water, industrial wastewater, automatic monitoring stations of water environment, regional water boundary points, industrial wastewater treatment process, sewage treatment plants, and online monitoring of sulfide in water environment by environmental regulatory agencies at all levels.

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