Online COD BOD Analyzer Online Cod Analyzer Wastewater High Qualtiy

Product Overview

1) Product overview

Product Features

- BOQU online total nickel analyzer (model TNiG-3051) — an optical spectrophotometric heavy‑metal online analyzer designed to meet national environmental protection standards.

Product Value

- Intended for continuous online monitoring of heavy metals in surface water, industrial process water and industrial wastewater as part of heavy‑metal pollution prevention and control.

Product Advantages

2) Product features

Application Scenarios

- Working principle: sample oxidation with ammonium persulfate followed by color development with dimethylglyoxime in alkaline conditions; color change is measured spectrophotometrically and converted to total nickel concentration.

- Measurement ranges: 0.00–2.00 mg/L and 0.10–10.00 mg/L (selectable).

- Performance: accuracy ≤±10% (≥0.2 mg/L) and ≤±0.02 mg/L (

- Flexible operation: minimum measurement period ~50 minutes; digestion time adjustable 5–120 minutes; sampling interval 55–9999 min; calibration interval 1–99 days.

- Outputs and interface: two 4–20 mA outputs plus RS232/RS485; touch‑screen display and command input; data saved during alarms and power loss.

- Maintenance and safety: typically monthly maintenance (~30 minutes); instrument automatically purges residual reagents and resumes operation after reset/power on.

3) Product value

- Enables continuous, automated monitoring for regulatory compliance and rapid detection of heavy‑metal excursions.

- Reduces dependence on manual laboratory tests, lowering operational cost and turnaround time.

- Provides actionable data for process control, pollution prevention, and environmental reporting.

- Improves safety and consistency with automated reagent handling and self‑purge after faults.

4) Product advantages

- Stable, repeatable optical measurement with good low‑level accuracy.

- High automation and configurability (adjustable digestion, sampling and calibration intervals).

- Multiple industry‑standard communication outputs for integration into SCADA/DCS.

- Robust design suitable for indoor installation; manufacturer backing with experienced R&D and production capability.

- Fast recovery after alarms/power cycles due to automatic reagent discharge and restart routines.

5) Application scenarios

- Continuous monitoring in industrial wastewater treatment plants.

- Process and effluent control in electroplating, mining, metal finishing and metal‑processing facilities.

- Chemical plants and other industries producing nickel‑containing waste streams.

- Surface water quality monitoring and river/lake surveillance for heavy‑metal pollution control projects.

- Environmental regulatory stations and on‑line compliance monitoring tied to national heavy‑metal prevention programs.