Ammonia Nitrogen Analyzers
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| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | MC/NH500/TC |
| Type | Replacement Gas-Permeable Membrane for Ammonia Ion-Selective Electrodes |
| Material | PTFE (Teflon®) |
| Compatibility | WTW NH4+/NH3 electrode systems (e.g., IQ Sensor Net, SenTix 900 series, and legacy Multi 3410/3420 analyzers) |
| Recommended Replacement Interval | Every 7 days under typical wastewater or surface water monitoring conditions |
| Regenerable | Yes, via standardized citric acid and deionized water reconditioning protocol |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | NH500/TC |
| Measurement Range (NH₄⁺) | 0.00–1280 mg/L |
| Measurement Range (NH₄–N) | 0.03–1000 mg/L |
| Compatible Analyzers | TresCon+ OA110, TresCon UNO A110 |
| Configuration | Complete electrode assembly including sensor body, three ammonia-selective membranes, and internal electrolyte solution |
| [Brand | WTW |
|---|---|
| Origin | Germany |
| Model | 821210 |
| Instrument Type | Online |
| Measurement Principle | Gas-Sensing Ion-Selective Electrode (ISE) |
| Range | NH₄⁺–N: 0.1–1000 mg/L |
| Accuracy | ±5% of reading |
| Detection Limit | 0.1 mg/L NH₄⁺–N |
| Response Time | <3 minutes |
| Operation Mode | Continuous online monitoring |
| Compliance | Designed for integration with WTW TresCon®+ OA110 and TresCon® UNO A110 analyzers] |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | 821210 |
| Instrument Type | Online Sensor Module |
| Measurement Principle | Gas-Sensing Ammonia Electrode (NH₃-selective membrane with pH detection) |
| Range | 0.02–1000 mg/L NH₄⁺-N |
| Accuracy | ±2% of reading or ±0.02 mg/L (whichever is greater) |
| Detection Limit | 0.02 mg/L NH₄⁺-N |
| Response Time | ≤2 minutes |
| Compliance | Designed for integration with WTW TresCon and TresCon UNO online analyzers |
| 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 | 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) |
| 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 | Imported |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Online Analyzer |
| Measurement Principle | Ammonia Gas-Sensing Electrode (NH₃-Selective Electrode) |
| Measurement Range | 0.05–1000 mg/L NH₄–N (dual-range: low range 0.05–10 mg/L, high range 0.1–1000 mg/L) |
| Accuracy | ±5% of reading |
| Detection Limit | 0.05 mg/L NH₄–N |
| Analysis Time | ≤3 minutes per sample |
| Sample Throughput | 3 samples per cycle |
| Compliance | Designed for continuous operation in EPA-compliant and ISO 5667-3 / ISO 15839 environmental monitoring applications |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | TresCon UNO |
| Ammonia Nitrogen Range | 0.05–1000 mg/L NH₄–N |
| Nitrite Range | 0.05–1.200 mg/L NO₂–N |
| Orthophosphate Ranges | 0.05–3.00 mg/L PO₄–P (Range 1), 0.10–10.0 mg/L PO₄–P (Range 2), 0.10–25.0 mg/L PO₄–P (Range 3) |
| Calibration | Automatic 2-point calibration |
| Measurement Interval | Continuous, or programmable intervals from 5 min to 24 h |
| Sample Handling Options | PF105, PurCon, or PurCon IS pre-treatment modules |
| Power Supply | 230 VAC ±10%, 50 Hz / 115 VAC ±10%, 50/60 Hz |
| Operating Temperature | 0–40 °C |
| Dimensions (Analyzer) | 612 × 775 × 329 mm |
| Weight (Analyzer) | 35 kg |
| Reagent Tray Dimensions | 590 × 50 × 360 mm |
| Weight | 17 kg |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Manufacturer Authorization Status | Authorized Distributor |
| Origin Category | Imported |
| Model | Wpack/A111 |
| Price | USD 398 (excl. VAT & shipping) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | ZBK/NH500/TC |
| Measurement Principle | Gas-Permeable Membrane Potentiometry (Ammonia-Selective) |
| Package Contents | 3 Ammonia-Sensing Membrane Caps + 1 Bottle of Electrolyte Solution (NH₄⁺-specific) |
| Compatible Instrument | TresCon OA110 Online Ammonia Analyzer |
| Application Scope | NH₄⁺: 0.00–1280 mg/L |
| NH₃-N | 0.03–1000 mg/L |
| Compliance Context | Designed for continuous compliance monitoring per ISO 7888, EN 27888, and EPA Method 350.1 |
| Brand | Zming Environmental Technology Co., Ltd. |
|---|---|
| Origin | Jiangsu, China |
| Model | HQ-3100 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Colorimetric Method (Nesslerization or Salicylate-based) |
| Measurement Range | 0–2 mg/L and 0–10 mg/L (switchable), extendable up to 500 mg/L |
| Cycle Time | 40 minutes per analysis |
| Optical Design | Dual-beam photometry |
| Sample Handling | Capacitive volumetric dosing |
| Turbidity & Color Compensation | Automatic real-time correction |
| Reagent Shelf Life | Up to 3 months under standard storage conditions |
| Brand | Zming Environmental Technology Co., Ltd. |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Models | HQ6017, HQ6018, HQ6019 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Colorimetric Method (DPD-based) |
| Optical Path Length Options | 2, 5, 10, 20, 30, 40 mm |
| Sample Reaction Volume | ≤ 0.4 mL per assay |
| Reagent Dispense Precision | 0.03 mL |
| Repeatability | ±0.1% RSD |
| Communication Interface | RS-485 |
| Analog Output | 4–20 mA |
| Power Consumption | Low |
| Footprint | 0.3 m² (Standard Cabinet-Sized Enclosure) |