●Performs all online monitoring tasks of a water quality auto-monitoring station within the footprint of a single instrument.
●Simultaneously measures multiple large-scale water quality parameters, reducing operational costs.
●Flexible calibration with standard solutions ensures high accuracy.
●Adjustable reaction time guarantees precise monitoring for any water sample.
●IP55 waterproof/dustproof rating ensures 10-year durability in outdoor conditions.
●Supports customized access control systems (face recognition, fingerprint, QR code).
●Compact size (≤1 m²) for easy relocation or monitoring point adjustment.
●Simple operation and maintenance with a maintenance cycle ≥1 month.
Monitoring Factor |
Parameter |
Technical Specifications |
pH |
Principle |
Glass electrode method |
Range |
0–14 pH |
|
Resolution |
0.01 pH |
|
Accuracy |
< 0.1 pH |
|
Dissolved Oxygen (DO) |
Principle |
Fluorescence method |
Range |
0–20 mg/L |
|
Resolution |
0.01 mg/L |
|
Accuracy |
0.3 mg/L |
|
Conductivity |
Principle |
Four-pole graphite electrode method |
Range |
0–200 mS/cm |
|
Resolution |
0.1 μS/cm (range-dependent) |
|
Accuracy |
< ±1% FS |
|
Turbidity |
Principle |
90° scattering method |
Range |
0–4000 NTU |
|
Resolution |
0.1 NTU |
|
Accuracy |
<5% |
| Monitoring Factor | Parameter | Technical Specifications |
Permanganate Index (CODMn) |
Method |
Potassium permanganate oxidation-ORP titration |
Range |
0–10/20 mg/L (extendable) |
|
Indicated Error |
±10% |
|
Repeatability Error |
±5% |
|
Glucose Test |
±5% (measurement error) |
|
Zero Drift |
±3% |
|
Span Drift |
±5% |
|
Insulation Resistance |
>2 MΩ |
|
Detection Limit |
0.5 mg/L |
|
Ammonia Nitrogen (NH3-N) |
Method |
Salicylic acid spectrophotometry |
Range |
0–2/10/50/150 mg/L (extendable) |
|
Indicated Error |
±6.0% (2.0 mg/L); ±3.0% (5.0 mg/L); ±2.0% (8.0 mg/L) |
|
24h Low Conc. Drift |
≤0.02 mg/L |
|
24h High Conc. Drift |
≤1% |
|
Repeatability |
≤2.0% |
|
Voltage Influence |
±5.0% |
|
pH Influence |
±6.0% |
|
Detection Limit |
0.02 mg/L |
| Monitoring Factor | Parameter | Technical Specifications |
Total Phosphorus (TP) |
Method |
Ammonium molybdate spectrophotometry |
Range |
0–2/10/50 mg/L (extendable) |
|
Indicated Error |
±10% |
|
Repeatability Error |
±5% |
|
Zero Drift |
±5% |
|
Span Drift |
±10% |
|
Total Nitrogen (TN) |
Method |
Alkaline persulfate digestion-UV spectrophotometry |
Range |
0–5/20/100 mg/L (extendable) |
|
Indicated Error |
±10% |
|
Zero Drift |
±5% |
|
Repeatability Error |
±5% |
|
Span Drift |
±10% |
|
Detection Limit |
0.1 mg/L |