- Conventional Pollution Online Monitoring Instrument
- Drinking Water Online Monitoring Instrument
- Special Parameter Online Monitoring Instrument
- Heavy Metal Online Monitoring Instrument
- Industrial Process Water Online Monitoring Instrument
- Anodic Stripping Voltammetry Heavy Metal Monitoring Instrument
- Laboratory Online Testing Instrument
- Water Treatment Process Instruments
Product Model: T8000-HG
System Overview
The pre-treated water sample is injected into a special reactor by an injection pump and reacts with oxidizing reagents. All forms of mercury in the water sample are uniformly oxidized into divalent mercury ion, and then excess oxidant is reduced, and then the pH of the solution is adjusted, and the characteristic color developing agent is added for extraction and color developing reaction. The degree of color change is proportional to the total mercury concentration in the water sample, and the total mercury content in the water sample can be calculated by measuring the degree of color change. The on-line extraction technology is used to reduce the detection line of the on-line mercury analyzer in water, so that the instrument can be used for real-time continuous monitoring of mercury concentration in water in various industries.
Measurement Method
Photoelectric colorimetric method, the measurement results conform to GB 7469-87; All forms of mercury (including different valence states, organic states, complex states, etc.) are converted into the same valence state by acidification digestion at high temperature, and the total content of various mercury in surface water and industrial wastewater is measured by color development after other interfering ions are masked.
Multiple Options Are Available
Timing measurement enables the instrument to be started every day at any time the user wants to monitor; Isochronous measurement can automatically start the instrument for measurement every few hours at a fixed time interval every day; Continuous measurement can realize automatic sample measurement one by one, which can be used for product acceptance and related technical certification; Manual measurement can realize the user to start the measurement at any time, and can be used for field experiment comparison and equipment installation and debugging.
Technical Parameters
| Measuring range: | (0-0.1/0.5/1/2/5) mg/L mercury; |
| Measurement accuracy: | <10%; |
| Repeatability: | <5%; |
| Zero drift: | ±0.05mg/L; |
| Range drift: | ±10%; |
| Detection limit: | 0.001mg/L (special requirements can be customized); |
| MTBF (trouble-free running time) : | ≥720 h/ time; |
| Actual water sample comparison: | ±10%; |
| Measurement time: | can be arbitrarily set, generally 15min; |
| Correction mode: | automatic timing correction or manual correction; |
| Reagent consumption: | only 2-3mL of each reagent is consumed during each measurement; |
| Sampling inside the instrument: | injection pump is used, which has a long life compared with peristaltic pump; |
| External sampling: | submersible pump and self-priming pump are provided respectively; |
| Data transmission: | provide 4-20 mA, RS232, RS485, GPRS and other data transmission interfaces; |
| Ambient temperature: | +5°C to +40°C; |
| Mechanical size: | 530×1340×390mm; |
| Weight: | about 45 kg; |
| Power supply: | (220±20) VAC /(50±0.5) Hz; |
| Power consumption: | about 100W. |
System Characteristics
· On-line extraction technology reduces the lower limit of mercury detection in water by optical method and removes all kinds of interference substances;
· The chemical reaction time can be adjusted, the determination process and results meet the relevant standards;
· The adjustable quantitative sampling device ensures that the instrument can accurately measure various water samples by adjusting the reagent dosage and sampling amount;
· The use of non-contact injection pump to avoid direct corrosion of reagent reagent pump, which can extend the life of core components and reduce the user’s cost;
· All imported components and innovative analytical flow path design and reagent formulation ensure measurement reproducibility, which is currently up to 5%;
· Automatic operation, no personnel on duty, can achieve automatic zero, automatic calibration, automatic measurement, automatic cleaning, automatic maintenance, automatic protection, automatic recovery and other intelligent functions;
· On-line monitoring methods are diversified, which can realize manual measurement at any time, automatic timing measurement, automatic periodic measurement and other measurement methods;
· Automatic leakage warning function, when there is a reagent leak, the instrument automatically warns, prompting the user to maintain.
