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| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | TCU/A111 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Ammonia Gas-Sensing Electrode |
| Measurement Range | 0.1–1000 mg/L NH₃–N |
| Accuracy | ≤ ±5% FS |
| Detection Limit | 0.1 mg/L NH₃–N |
| Analysis Time | 3 minutes per sample |
| Sample Throughput | 1 sample per cycle |
| Compliance | Certified per China EPA Environmental Protection Product Certification (HJ 758–2015) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | Alyza IQ |
| Instrument Type | Online Analyzer |
| Measurement Principle | Colorimetric Method |
| Measurement Range | 0.02–20 mg/L NH₄–N |
| Detection Limit | 0.02 mg/L |
| Accuracy | MR1: ±2% ±0.02 mg/L (0.02–5 mg/L) |
| MR2 | ±3% ±0.10 mg/L (0.1–20 mg/L) |
| Integration | Fully compatible with IQ Sensor Net platform (supports IQ System 2020, 282, and 284) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Sensor Models | AmmoLyt, NitraLyt, VARiON |
| Type | Online ISE-based sensor system |
| Measurement Principle | Potentiometric ion-selective electrode (ISE) method |
| Measurement Ranges | NH₄⁺-N: 1–2000 mg/L (1 mg/L resolution) or 0.1–100 mg/L (0.1 mg/L resolution) |
| NH₄⁺ | 1–2580 mg/L (1 mg/L) or 0.1–129.0 mg/L (0.1 mg/L) |
| NO₃⁻-N | 1–1000 mg/L (1 mg/L) or 0.1–100 mg/L (0.1 mg/L) |
| NO₃⁻ | 5–4500 mg/L (1 mg/L) or 0.5–450.0 mg/L (0.1 mg/L) |
| Accuracy | ±5% of reading ±0.2 mg/L |
| Detection Limit | NH₄⁺-N: 0.1 mg/L |
| NO₃⁻-N | 0.1 mg/L |
| Response Time | 0–3 min |
| Compliance | Designed for continuous operation in wastewater treatment environments per DIN EN ISO 5667-3, ASTM D1426, and EPA Method 350.1 |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | TresCon |
| Instrument Type | Online Analyzer |
| Measurement Principle | Gas-Sensing Electrode (NH₄⁺-N), Optical Absorption (NO₃⁻-N), Diazotization Colorimetry (NO₂⁻-N) |
| Measurement Range | NH₄⁺-N: 0.1–1000 mg/L |
| NO₃⁻-N | 0.1–60 mg/L |
| NO₂⁻-N | 0.005–1.200 mg/L |
| Detection Limit | NH₄⁺-N: 0.1 mg/L |
| NO₃⁻-N | 0.1 mg/L |
| NO₂⁻-N | 0.005 mg/L |
| Accuracy | NH₄⁺-N: ±5% of reading ±0.2 mg/L (<1.0 mg/L) |
| NO₃⁻-N | ±2% of reading ±0.4 mg/L |
| NO₂⁻-N | ±2% of reading ±0.05 mg/L |
| Cycle Time | Minimum 30 s per parameter |
| Batch Capacity | 3 independent measurement channels |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | TresCon (NH₄-N + TP) |
| Instrument Type | Online Analyzer |
| Measurement Principle | Ammonia Gas-Sensing Electrode (NH₄-N) |
| Measurement Range | NH₄-N: 0.1–1000 mg/L |
| TP | 0.01–3.00 mg/L (standard), up to 6.00 mg/L with external dilution module |
| Accuracy | NH₄-N: ±5% of reading ±0.2 mg/L (<1.0 mg/L) |
| TP | ±3% of reading ±0.05 mg/L |
| Detection Limit | NH₄-N: 0.1 mg/L |
| TP | 0.01 mg/L |
| Minimum Cycle Time | 3 min (per parameter, configurable) |
| Sample Throughput | Up to 2 independent sample streams (expandable via multi-channel inlet manifold) |
| Compliance | Designed for continuous operation in accordance with EN ISO 15839, ASTM D1426 (ammonia), and ISO 6878 (total phosphorus) |
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