Ammonia Nitrogen Analyzers
Filter
Showing all 29 results
| Brand | Ailun (Qingdao Ailun) |
|---|---|
| Origin | Shandong, China |
| Model | AL-AC130 |
| Measurement Principle | Colorimetric Method (Nesslerization or Salicylate-based) |
| Measurement Range | 0–500 mg/L NH₃–N (expandable) |
| Detection Limit | ≤0.15 mg/L (±30% error at LOD) |
| Accuracy | ±8.0% at 2.0 mg/L |
| Repeatability | ≤2% RSD |
| Low-concentration Drift | ≤0.02 mg/L/24h |
| High-concentration Drift | ≤1.0 mg/L/24h |
| Minimum Cycle Time | 20 min (color development time adjustable from 5–120 min) |
| Sample Throughput | 10 samples per batch |
| Sampling Interval | 10–9999 min programmable + on-the-hour mode |
| Calibration Interval | 1–99 days, user-defined start time |
| Maintenance Interval | >720 hours |
| Output Interfaces | RS-232, RS-485, 4–20 mA (optional) |
| Operating Environment | +5 to +28 °C, ≤90% RH (non-condensing) |
| Power Supply | AC 220 V ±10%, 50 Hz ±10%, 5 A |
| Memory Effect | ≤0.3 mg/L at 2.0 mg/L standard |
| Field Validation | ≤0.2 mg/L bias for samples <2.0 mg/L |
| Brand | ANJIE |
|---|---|
| Origin | Shanghai, China |
| Model | AJ-3150 Plus |
| Instrument Type | Laboratory Analyzer |
| Measurement Principle | Gas-Phase Chemiluminescence (GPC) with Onboard Oxidation |
| Measurement Range | 0.08–100 mg/L NH₃–N |
| Accuracy | ≤ ±5% of reading |
| Detection Limit | 0.02 mg/L NH₃–N |
| Analysis Time per Sample | 1–3 minutes |
| Batch Capacity | 80 samples |
| Air Supply | Integrated Clean Air Generator (Atmospheric Pressure, No High-Pressure Cylinders Required) |
| Onboard Functions | Integrated Oxidation Module, Heating Module (for Nitrate & Total Nitrogen), Homogenizing Sparging System, Refrigerated Water Trap, Sintered-Glass Gas–Liquid Separator, Real-Time Graphical Monitoring, Auto-Dilution (≥40×), Adjustable Lamp Current & Automatic Light Gain Control |
| Brand | AOE |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | WA755 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | Colorimetric Method (with Predefined Reagent-Based Reaction Chemistry) |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±0.5 nm |
| Photometric Accuracy (Transmittance) | <0.5% T |
| Photometric Repeatability | <0.2% T |
| Stray Light | <0.05% T |
| Optical Stability | ±0.002 A/h |
| Display | 65K-color TFT LCD |
| Interface | USB Data Export |
| Measured Parameters | COD, Ammonia Nitrogen (NH₃-N), Total Nitrogen (TN), Total Phosphorus (TP) |
| Measurement Ranges | COD: 0.02–100 mg/L |
| NH₃-N | 0.01–30 mg/L |
| TN | 2–15,000 mg/L |
| TP | 1–10 mg/L |
| Detection Limits | NH₃-N: 0.01 mg/L |
| COD | 0.02 mg/L |
| TN | 2 mg/L |
| TP | 1 mg/L |
| Measurement Time per Parameter | NH₃-N: 15 min |
| TP | 40 min |
| TN | 50 min |
| COD | 20 min |
| Batch Capacity | 16 samples (COD/TN/TP) |
| Digestion Temperature Control | COD: 165 °C ±0.5 °C |
| TN | 122 °C ±0.5 °C |
| TP | 120 °C ±0.5 °C |
| NH₃-N | adjustable (sealed or open-mode) |
| Digestion Duration | COD/TN/TP/NH₃-N: 10–40 min (parameter-specific) |
| Digestion Mode | Sealed (TN, TP), Sealed or Open (NH₃-N, COD) |
| Calibration Curve Storage | 200 preloaded & user-defined curves |
| Data Storage Capacity | 40,000 test records |
| Compliant Standards | GB/T 11893–1989 (TP), GB/T 11894–1989 (TN), HJ 535–2009 (NH₃-N), HJ 399–2007 (COD) |
| Brand | AVVOR |
|---|---|
| Origin | Canada |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | AVVOR 9000 |
| Pricing | Available Upon Request |
| Brand | AVVOR |
|---|---|
| Origin | Fujian, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | AVVOR 9000 NH4-N |
| Instrument Type | Online Analyzer |
| Measurement Principle | Ammonia Gas-Sensing Electrode Method |
| Measurement Range | 0.05–1000 mg/L (multi-range configurable) |
| Accuracy | ±3% FS |
| Detection Limit | 0.01 mg/L |
| Measurement Cycle | 5 min per sample |
| Batch Capacity | 10 samples |
| Compliance | HJ/T 101–2003 (China EPA Standard) |
| Brand | AVVOR |
|---|---|
| Origin | Germany |
| Model | TresCon OA110 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Ammonia-Selective Gas-Sensing Electrode |
| Measurement Range | 0.01–2 mg/L NH₄–N |
| Accuracy | ±0.5% of reading |
| Detection Limit | 0.1 mg/L NH₄–N |
| Cycle Time | 30 min |
| Batch Capacity | 10 samples per cycle |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-T9002 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Colorimetric Method (Nesslerization or Salicylate, compliant with HJ 535–2009) |
| Measurement Range | 0–100 mg/L NH₃–N |
| Accuracy | ≤ ±5% |
| Detection Limit | Not specified (method-dependent |
| Analysis Time | 10 min per sample |
| Throughput | Automated multi-channel detection (up to 4 independent measurement positions: 1 for rotating cuvette, 2 for fixed-pathlength cuvettes [10 mm & 30 mm], 4 for digital electrode inputs) |
| Wavelength Range | 340–900 nm |
| Wavelength Accuracy | ±1 nm |
| Spectral Bandwidth | 4 nm |
| Photometric Accuracy | ±0.5% T |
| Photometric Repeatability | ≤0.2% T |
| Absorbance Resolution | 0.001 Abs |
| Optical Stability | ≤±0.005 Abs/20 min |
| Pre-stored Calibration Curves | 1000+ (user-editable and ISO/IEC 17025-aligned curve management) |
| Data Storage | 1,000,000 measurements with timestamp, operator ID, and method tag |
| Interface | 8-inch capacitive touch LCD (adjustable brightness), fully customizable bilingual UI (Chinese default, English optional) |
| Connectivity | USB-A port for flash drive export, thermal printer support |
| Compliance | HJ 535–2009, GB/T 5750.5–2023, compatible with GLP documentation workflows |
| Brand | FPI |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | TPN-2000 |
| Instrument Type | Online Analyzer |
| Measurement Principle | High-Temperature/High-Pressure Alkaline Potassium Persulfate Digestion + UV Spectrophotometry |
| Measurement Range | 0–0.5 / 0–2 / 0–5 mg/L (selectable) |
| Accuracy | ±10% of reading |
| Detection Limit | 0.005 mg/L |
| Compliance | HJ 636–2012 |
| Brand | GENESITE |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SJ-D80 NH₃-N |
| Instrument Type | Portable |
| Measurement Principle | Nessler Reagent Colorimetry (per HJ 535–2009) |
| Measurement Range | 0–150 mg/L NH₃-N |
| Accuracy | ±5% FS |
| Measurement Time | ≤10 min per sample |
| Sample Throughput | 1 sample per run |
| Display | 3.5″ TFT color touchscreen (320×480 px) |
| Optical Resolution | 0.001 Abs |
| Photometric Stability | ±0.003 Abs/30 min |
| Power Supply | 4 × AA alkaline batteries or 220 V AC adapter |
| Dimensions (L×W×H) | 192 × 96 × 103 mm |
| Weight | 0.5 kg (instrument only) |
| Data Export | SD card (FAT32 formatted, up to 32 GB) |
| Calibration Options | Built-in standard curve library + user-defined curve generation |
| Brand | Haiguang Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | HGCF-100 for Ammonia Nitrogen |
| Price Range | USD 28,000 – 35,000 |
| Instrument Type | Laboratory Benchtop |
| Measurement Principle | Air-Segmented Continuous Flow Analysis (CFA) with Distillation and Colorimetric Detection |
| Measurement Range | 0.01–5 mg/L NH₃–N |
| Accuracy | ±1% of reading |
| Detection Limit | ≤0.005 mg/L NH₃–N |
| Sample Throughput | 30 samples/hour |
| Batch Capacity | Unlimited (software-controlled queue) |
| Brand | Haiguang Instrument |
|---|---|
| Origin | Beijing, China |
| Model | HGCF-200 Ammonia Nitrogen |
| Measurement Principle | Colorimetric Flow Analysis (Salicylate Method) |
| Measurement Range | 0.01–5 mg/L NH₃–N |
| Detection Limit | ≤0.005 mg/L NH₃–N |
| Accuracy | ±1% of reading |
| Sample Throughput | 30 samples/hour |
| Batch Capacity | Unlimited |
| Optical Cell Material | Fused quartz |
| Light Source | Low-power LED |
| Detector | Full-spectrum CCD with built-in monochromator |
| Online Dilution Ratio | 1–5000× |
| Reaction Tubing ID | ≥2 mm |
| Compliance | HJ 665-2013, HJ 670-2013, HJ 667-2013, ISO 14403:2012, ISO 14402:1999, ISO 23913:2016, ISO 15681-2:2003 |
| Brand | Jiada Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | Aquaculture Water Rapid Test Kit |
| Price Range | USD 140–1,400 (based on configuration) |
| Instrument Type | Portable |
| Measurement Principle | Colorimetric Method |
| Brand | Jiada Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYS-101SA |
| Instrument Type | Portable |
| Measurement Principle | Colorimetric Method (Nessler Reagent) |
| Measurement Range | 0.00–5.00 mg/L as N |
| Accuracy | ±5% |
| Detection Limit | 0.10 mg/L as N |
| Light Source Wavelength | 430 nm |
| Compliance Standard | GB/T 5750.5–2006 |
| Brand | KC |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | XG03 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Colorimetric Method |
| Measurement Range | 0.0–100.0 µg/L |
| Accuracy | ±2% F.S. |
| Detection Limit | 0.01 µg/L |
| Measurement Time | <4 min |
| Batch Capacity | 6 channels |
| Brand | Kechuang Starlight (KC) |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Online Analyzer |
| Measurement Principle | Colorimetric Method |
| Measurement Range | 0.0–100.0 µg/L |
| Accuracy | ±2% F.S. |
| Detection Limit | 0.01 µg/L |
| Measurement Time | <4 minutes per cycle |
| Channel Capacity | 1–6 configurable channels |
| Display | 7.0-inch Windows-based HMI touchscreen |
| Sample Flow Rate | 10–40 L/h |
| Sample Temperature Range | 5–50 °C |
| Ambient Operating Temperature | 5–45 °C |
| Ambient Humidity | ≤85% RH (non-condensing) |
| Power Supply | AC 220 V ±10%, 50 Hz ±10% |
| Power Consumption | ≤100 W |
| Dimensions (L×D×H) | 460 × 285 × 720 mm |
| Weight | 23 kg |
| Output Signals | 4–20 mA, 0–20 mA, or 0–10 mA (configurable) |
| Data Storage | Non-volatile memory with >10-year retention after power loss |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Origin | Domestic (China) |
| Model | DGB-422 |
| Instrument Type | Portable |
| Measurement Principle | Colorimetry |
| Measurement Range | 0.000–500.0 mg/L |
| Accuracy | ±5 mg/L |
| Display | Backlit LCD with Adjustable Contrast & Backlight Duration |
| Protection Rating | IP65 |
| Calibration | Up to 5-point calibration |
| Data Management | GLP-compliant storage, recall, deletion, and print export |
| Power Supply | 4 × AA alkaline batteries or USB-powered |
| Interface | USB for PC/printer connectivity |
| Operating Environment | 5–35 °C, 0–85% RH |
| Dimensions | 220 × 85 × 50 mm |
| Weight | ~0.4 kg |
| Cuvette Specification | Ø16 mm × 100 mm, 10 mL capacity |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | DWG-8002A |
| Instrument Type | Online Analyzer |
| Measurement Principle | Ammonia Gas-Sensing Electrode Method |
| Measurement Range | 0.05–1000.00 mg/L NH₃-N |
| Accuracy | ±0.2 mg/L (≤2.00 mg/L) |
| Repeatability | ≤2.0% (0.10–10.00 mg/L), ≤5.0% (10.00–1000.00 mg/L) |
| Drift (24 h) | ≤0.02 mg/L (low range), ≤2% (high range) |
| Minimum Detection Limit | ≤0.15 mg/L |
| Output Signal | Isolated 4–20 mA DC (max. load 600 Ω), RS-485 Modbus RTU |
| Data Storage | 4000 measurement records, 500 calibration logs |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions (L×W×H) | 470 × 325 × 700 mm |
| Weight | ~32 kg (dry) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Region of Manufacture | Domestic (China) |
| Model | DWS-296 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | Gas-Sensing Ion-Selective Electrode (ISE) Method |
| Measurement Range | 0.05–1000 mg/L NH₃–N |
| Accuracy | ±1% of reading |
| Detection Limit | 0.05 mg/L |
| Analysis Time | 5–10 minutes per sample |
| Throughput | 1 sample per run |
| Display | LCD with Chinese GUI |
| Data Storage | 200 measurement records |
| Calibration | 2-point calibration supported |
| Connectivity | USB interface for PC communication via proprietary software |
| Temperature Control | Integrated thermostatic system (0.0–40.0 °C) |
| Measured Parameters | pN (–log[NH₃]), mV, NH₃–N concentration (mg/L), temperature (°C) |
| Electronic Unit Error | pN ±0.01 pN ±1 digit |
| Stability | ≤±0.01 pN / 3 h |
| Power Supply | Control unit: 9 V DC, 500 mA (center-positive) |
| Measurement unit | AC 220 V ±10%, 50 Hz ±1 Hz |
| Dimensions & Weight | Control unit: 300 × 220 × 80 mm, 1 kg |
| Measurement unit | 370 × 380 × 510 mm, 13 kg |
| Brand | Lianhua Tech |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Product Origin | Domestic (China) |
| Model | 5B-6D(V10) |
| Instrument Type | Laboratory Analyzer |
| Measurement Principle | Colorimetry (Nessler and Salicylate Methods) |
| Measurement Range | 0–160 mg/L NH₃-N |
| Accuracy | ≤ ±5% |
| Measurement Time | 10–40 minutes |
| Batch Processing Capacity | Configurable (via optional cuvette racks or tube holders) |
| Display | 5.6-inch color touchscreen |
| Data Storage | Up to 12,000 measurement records |
| Data Export | USB port and infrared interface |
| Output | Built-in thermal printer |
| Calibration | Auto-curve generation and storage using standard solutions |
| Curve Customization | User-defined calibration curve fitting supported |
| Reagent Compatibility | Pre-packaged Nessler reagents |
| Brand | Lianhua Technology |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-P3NHN |
| Instrument Type | Portable |
| Measurement Principle | Colorimetric Method (Nesslerization) |
| Measurement Range | 0–200 mg/L NH₃–N (multi-range segmented) |
| Accuracy | ≤ ±10% of reading |
| Compliance Standards | HJ 536–2009, HJ 1535–2009 |
| Display | 3.5-inch color TFT LCD with dial-style UI |
| Calibration | Optical intensity calibration & curve-based calibration |
| Built-in Calibration Curves | 30 preloaded, user-editable and user-calibratable |
| Reagent Compatibility | Pre-formulated reagent kits (LH-series) included |
| Over-range Indication | Visual red alert on dial interface when exceeding upper limit |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-T3NHN |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Colorimetric Method (Nesslerization or Salicylate, per HJ 535–2009) |
| Measurement Range | 0–160 mg/L NH₃–N (multi-range segmented calibration) |
| Accuracy | ≤ ±8% of reading (at mid-range, per HJ 535–2009 validation protocol) |
| Display | 3.5-inch high-resolution color TFT LCD with analog-style UI |
| Light Source | Long-life cold LED source with narrow-band interference optical filtering (rated lifetime ≥100,000 hours) |
| Data Storage | Internal non-volatile memory for up to 5,000 measurement records (timestamp + numeric result) |
| Sample Vessels | Compatible with both 16-mm round glass cuvettes and 10-mm square quartz or optical-grade plastic cuvettes |
| Calibration Options | 15 pre-programmed calibration curves |
| Compliance | Designed and validated in accordance with HJ 535–2009 “Determination of Ammonia Nitrogen in Water—Nessler Reagent Spectrophotometric Method” |
| Brand | TIANER |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | TE-5105G |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Colorimetric Method (Nessler Reagent Spectrophotometry) |
| Measurement Range | 0.01–150 mg/L (multi-range segmented calibration) |
| Accuracy | ≤ ±5% |
| Detection Limit | 0.01 mg/L |
| Measurement Time | 15–20 min per batch |
| Throughput | 5 simultaneous sample positions |
| Optical System | Fiber-optic spectrophotometric system |
| Light Source | Imported 12 V / 20 V halogen lamp (rated lifetime ≥ 100,000 h) |
| Wavelength | 420 nm |
| Reference Channel | Fixed automatic reference channel |
| Repeatability | ≤ ±2% |
| Inter-channel Variation | ≤ ±2% |
| Display | 7-inch color TFT capacitive touchscreen |
| Sample Introduction | Automated multi-channel sampling module |
| Sample Formats | Pre-filled colorimetric tubes (liquid reagents) and cuvettes (powder reagents) |
| Data Storage | Up to 1,000,000 measurement records with timestamp, sample ID, and operator log |
| Preloaded Calibration Curves | 180 factory-validated curves (user-modifiable, extensible, and recalibratable) |
| Auto-calibration | Built-in self-calibration routine using reference standards |
| Data Output | Integrated thermal printer |
| Connectivity | USB 2.0 port + RS-232 serial interface |
| Compliance | Fully aligned with HJ 535–2009 “Water Quality — Determination of Ammonia Nitrogen — Nessler Reagent Spectrophotometric Method” |
| Brand | Water Doctor |
|---|---|
| Origin | Hunan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | Dr-M1102 |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical (Ion-Selective Electrode) |
| Range | 0–100 mg/L NH₃–N |
| Accuracy | ±10% FS |
| Detection Limit | 0 mg/L (defined by electrode sensitivity and signal-to-noise ratio) |
| Measurement Time | ≤60 s per parameter |
| Simultaneous Channels | 6 independent electrode ports |
| Display | 8-inch HD color capacitive touchscreen |
| Data Storage | 1,000,000 measurement records with timestamp, location (optional GPS), and electrode ID |
| Power Supply | Rechargeable Li-ion battery (≥12 h continuous operation) |
| IP Rating | IP68 for electrodes |
| Operating Environment | 0–50 °C, ≤85% RH (non-condensing) |
| Connectivity | USB 2.0, optional Bluetooth 5.0 module |
| Software Compliance | Audit-trail enabled logging, user-access levels, data export in CSV/Excel format |
| Brand | Water Doctor |
|---|---|
| Origin | Hunan, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | Dr-M1202P |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical (Ion-Selective Electrode, ISE) |
| Measurement Range | 0–100 mg/L NH₃–N |
| Accuracy | ±10% of reading |
| Detection Limit | 0 mg/L (defined by electrode sensitivity and signal-to-noise ratio) |
| Measurement Time | ≤60 seconds per sample |
| Sample Throughput | Three independent electrode measurement positions |
| Display | 5-inch HD color TFT touchscreen |
| Language Support | English & Chinese |
| Data Storage | Up to 1,000,000 measurement records |
| Power Supply | Rechargeable Li-ion battery + USB Type-C AC/DC adapter (dual-mode operation) |
| Electrode Protection Rating | IP68 |
| Operating Environment | 0–50 °C, ≤85% RH (non-condensing) |
| Electrode Cable Length | 3–5 m (customizable) |
| Built-in Thermal Printer | Yes |
| Data Interface | USB Type-C (for charging, data export, and firmware update) |
| Reading Modes | Real-time, Timed, and Interval |
| Auto Temperature Compensation | Yes |
| Sleep Mode | Configurable idle timeout |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | 821220 |
| Measurement Principle | Ion-Selective Electrode (ISE) Method |
| Accuracy | ±5% of reading ±0.2 mg/L NH₄–N |
| Detection Limit | –0.03 mg/L NH₄–N |
| Response Time | ≤3 min |
| Application | Online continuous monitoring for wastewater and surface water |
| Compliance | Designed for use with WTW TresCon®+ OA110 Ammonia Analyzer |
| [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 | 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 | 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 |