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| Brand | ETI |
|---|---|
| Origin | Guangdong, China |
| Model | WCS100 |
| Instrument Type | Online Water Quality Analyzer |
| Measured Parameters | pH, Conductivity, Dissolved Oxygen (DO), Turbidity, Temperature, Phycocyanin (Blue-Green Algae), Chlorophyll-a, ORP |
| Conductivity Range | 0–20,000 µS/cm |
| Conductivity Principle | Two-Electrode Conductometry |
| Conductivity Resolution | 0.01 µS/cm (at 20 µS/cm), 0.1 µS/cm (at 200 µS/cm), 1 µS/cm (at 2000 µS/cm), 10 µS/cm (at 20,000 µS/cm) |
| Turbidity Range | 0–1000 NTU / 0–4000 NTU |
| Turbidity Principle | 90° Light Scattering |
| Turbidity Resolution | 0.01 NTU |
| DO Range | 0–20 mg/L |
| DO Principle | Fluorescence Quenching |
| pH Range | 0–14 pH |
| pH Resolution | 0.01 pH |
| Temperature Range | −5 to +80 °C |
| Temperature Compensation | Integrated NTC Sensor |
| Response Time (T90) | <60 s (Conductivity, Turbidity, DO), T95 <10 s (pH) |
| Enclosure Rating | IP68 (sensor + cable) |
| Brand | ETI |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic (China-Made) |
| Model | 2100Plus Online Water Quality Analyzer |
| Instrument Type | Online Water Quality Monitoring System |
| Measurable Parameters | Cu, Cr, Pb, Cd, Fe, Mn, Ni, Zn, Ag, Al, NH₃-N, CN⁻, Phenol, Total Phosphorus, Total Nitrogen, S²⁻, SiO₃²⁻, NO₃⁻, NO₂⁻, PO₄³⁻, K⁺, Na⁺, Ca²⁺, F⁻, Cl⁻ |
| Analytical Methods | Colorimetry (for most parameters), Ion-Selective Electrode (ISE) Potentiometry (for NH₃-N, K⁺, Na⁺, Ca²⁺, F⁻, Cl⁻) |
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