WTW
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| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SenTix 940 |
| Instrument Type | Portable |
| Parameter Types | Multi-parameter |
| pH Accuracy | ±0.004 |
| pH Range | 0.000–14.000 |
| Calibration Buffers | pH 4.01, 7.00, 10.01 |
| Temperature Range | 0–80 °C |
| Electrolyte | Polymer Gel (KCl-free) |
| Reference Junction | Fiber Junction (NTC integrated) |
| Housing Material | PPE/PS Composite |
| Shaft Length | 120 mm |
| Cable Length | 1.5 m (standard), 3 m (optional) |
| Connector | 4-pin IDS (Intelligent Digital Sensor) |
| Input Impedance | >1 GΩ at 25 °C |
| Response Time (t₉₀) | <15 s (in buffer) |
| Storage Requirement | Wet cap with pH 4 or 7 buffer |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SenTix 940-3 |
| Measurement Range | 0.000–14.000 pH |
| Accuracy | ±0.004 pH |
| Temperature Range | 0–80 °C |
| Cable Length | 3 m |
| Electrolyte | Polymer Gel (Gel-Filled) |
| Input Impedance | >1 GΩ at 25 °C |
| Connector Type | 4-pin IDS (Intelligent Digital Sensor) |
| Housing Material | PPE/PS Composite |
| Shaft Length | 120 mm |
| Shaft Diameter | 4.3 mm |
| Minimum Bending Radius | 20 mm (fixed), 60 mm (flexible use) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SenTix HW |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter |
| Reference Electrolyte | 3 mol/L KCl (Ag⁺-free) |
| Membrane Shape | Cylindrical |
| Shaft Material | High-Quality Glass |
| Shaft Length | 170 mm |
| Shaft Diameter | 12 mm |
| Connection | S7 Plug (Cable Not Included) |
| Temperature Sensor | None |
| Membrane Resistance | < 800 MΩ |
| pH Range | 0–14 |
| Operating Temperature | 0–60 °C |
| Diaphragm Type | Ground-Joint (Fritless, Low-Flow) |
| Electrolyte Reservoir | Large-Volume Refillable Chamber |
| Flow Adjustment | Adjustable Annular Junction |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SenTix ORP |
| Type | Laboratory ORP Electrode |
| Reference Electrolyte | 3 M KCl |
| Operating Temperature Range | 0–100 °C |
| Sensor Material | Platinum |
| Junction Type | Ceramic (S7 thread) |
| Connector | S7 (cable required separately: AS DIN, AS DIN-3, or AS BNC) |
| Compliance | Designed for ISO/IEC 17025-compliant labs, compatible with GLP/GMP data integrity workflows |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SenTix ORP-T 900 |
| Catalog No. | 103791 |
| Measurement Range | –1250.0 to +1250.0 mV |
| Sample Temperature Range | 0 °C to 100 °C |
| mV Accuracy | ±0.2 mV |
| Temperature Accuracy | ±0.1 °C |
| Temperature Sensor | Integrated NTC30 |
| Electrolyte | 3 mol/L KCl |
| Junction | Ceramic |
| Cable Length | 1.5 m (integrated, IP67 waterproof digital connector) |
| Electrode Material | Platinum |
| Shaft Material | Glass |
| Shaft Diameter | 12 mm |
| Shaft Length | 120 mm |
| Compliance | Compatible with MultiLine, MonoLine, and inoLab IDS meters |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SenTix® 980 |
| Measurement Range | 0–14.00 pH |
| Accuracy | ±0.004 pH |
| Temperature Sensor | NTC 30 kΩ |
| Reference Electrolyte | 3 mol/L KCl |
| Membrane Resistance | < 600 MΩ |
| Shaft Length | 120 mm |
| Shaft Diameter | 12 mm |
| Connection | Integrated 1.5 m waterproof digital cable with IDS connector |
| Tip Geometry | Conical glass membrane |
| Electrolyte System | Liquid-filled |
| Internal Signal Processing | Yes |
| QSC (Quality Sensor Control) | Yes |
| Calibration Data Storage | On-board memory |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | SenTixMic |
| Instrument Type | Portable |
| Parameter Type | Single-Parameter (pH) |
| Membrane Diameter | 3 mm or 5 mm |
| Reference System | 3 mol/L KCl aqueous electrolyte |
| Junction Type | Ceramic or Platinum Wire |
| Temperature Range | 0–100 °C (ceramic), –5–100 °C (Pt wire) |
| Shaft Dimensions | 40/80 mm length × 12/5 mm diameter (Model 103647) |
| Connector | S7 plug (no cable) |
| Re-fillable | Yes |
| Response Time | <15 s (typical, per ISO 9712) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | StirrOx-G |
| Measurement Principle | Electrochemical (Clark-type polarographic sensor) |
| Measurement Range | 0–50 mg/L O₂ |
| Temperature Range | 0–50 °C |
| Electrode Material | Gold cathode |
| Body Material | Polyoxymethylene (POM) |
| Integrated Temperature Sensor | NTC thermistor |
| Stirring Mechanism | Built-in magnetic stirrer |
| Zero-point Calibration | Not required |
| Membrane Leak Detection | Integrated monitoring system |
| Application Type | Laboratory-grade DO measurement |
| Brand | WTW |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China-assembled under WTW/Xylem specifications) |
| Model | StirrOx® G |
| Instrument Type | Portable DO Sensor |
| Measurement Principle | Polarographic (Clark-type) Electrochemical Probe |
| Range | 0.00–90 mg/L O₂ |
| Accuracy | ±0.5% of reading |
| Repeatability | ≤±0.5% |
| Detection Limit | 0.01 mg/L |
| Response Time (t₉₀) | <60 s (in stirred water at 20 °C) |
| Operating Temperature | 0–40 °C |
| Membrane Material | PTFE |
| Electrolyte | KCl-based aqueous solution |
| Connector | WTW-standard 6-pin DIN |
| 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 | TCU/COD3260 |
| Measurement Principle | Acidic Potassium Permanganate Oxidation with Potentiometric Endpoint Detection (Dual Platinum Electrodes) |
| Temperature Control | 100 °C ± 1 °C |
| Detection Range | 0.5–10 mg/L O₂ (as KMnO₄) |
| Accuracy | ±5% of reading (typical, matrix-dependent) |
| Reagent Consumption | ≤3.5 mL per analysis cycle |
| Sample Flow Requirement | 0.5–2.0 L/min |
| Power Supply | 230 VAC, 50/60 Hz |
| IP Rating | IP65 (enclosure) |
| Compliance | EN ISO 8467:2022, DIN 38409-H12, EPA Method 410.2 (adapted), GLP-ready architecture |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | TetraCon 325 |
| Detection Parameter | Conductivity (Single-Parameter) |
| Portability | Portable |
| Intended Use | Laboratory |
| Conductivity Range | 1 µS/cm to 2 S/cm |
| Electrode Constant | 0.475 cm⁻¹ ±1.5% |
| Cable Length | 1.5 m (replaceable) |
| Stem Diameter | 15.3 mm |
| Total Length | 162.5 mm |
| Immersion Depth (max) | 120 mm (T < 100 °C) |
| Pressure Rating | –2 bar |
| Connector | 8-pin plug, IP67 |
| Sensing Element IP Rating | IP68 |
| Temperature Sensor | Integrated NTC thermistor (30 kΩ at 25 °C), graphite housing |
| Temp. Range | –5 to +100 °C |
| Temp. Accuracy | ±0.2 K |
| T₉₉ Response Time | <20 s |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | TetraCon 700IQ |
| Electrode Configuration | Four-electrode (tetrapolar) |
| Measurement Principle | AC-driven four-pole conductivity measurement with automatic temperature compensation (ATC) |
| Conductivity Range | 0.01 µS/cm to 2 S/cm (typical, dependent on cell constant) |
| Temperature Range | 0–60 °C |
| Cell Constant | 0.475 cm⁻¹ (standard) |
| Output Signal | Analog 4–20 mA or digital Modbus RTU / SDI-12 (configurable) |
| Housing Material | PEEK + stainless steel 316L |
| IP Rating | IP68 |
| Compliance | EN ISO 7888, ASTM D1125, USP <645>, GLP-compliant data logging |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | TetraCon LR |
| Measurement Principle | 4-Electrode Conductivity |
| Range | 1 µS/cm to 2 S/cm |
| Minimum Resolution | 0.01 µS/cm (dependent on transmitter) |
| Electrode Constant | K = 0.475 cm⁻¹ (standard), adjustable range 0.475–1.008 cm⁻¹ |
| Temperature Compensation | Built-in, -5 °C to +60 °C |
| Pressure Rating | 10 bar (20 °C) |
| Accuracy | ±2% of reading ±1 µS/cm at 25 °C |
| Response Time (t₉₀) | <20 s |
| Compliance | ISO 7888, ASTM D1125, DIN EN 27888 |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | TetraCon® 700 IQ |
| Measurement Principle | Four-Electrode Conductivity |
| Conductivity Range | 10 µS/cm to 500 mS/cm (up to 1000 mS/cm for SW variant) |
| Resolution | 0.01 µS/cm |
| Salinity Range | 0–70 PSU |
| TDS Range | 0–2000 mg/L |
| Response Time (t₉₀) | <60 s |
| Electrode Constant | Adjustable 0.826–1.008 cm⁻¹ (default K = 0.917 cm⁻¹ in free solution |
| Temperature Compensation | Integrated, -5 °C to +60 °C |
| Max. Pressure Rating | 10 bar (20 °C) |
| Accuracy | ±2% of reading (conductivity), ±0.1–0.2 PSU (salinity, depending on temperature range) |
| 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 | Germany |
| Model | TresCon COD-3250 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Potassium Dichromate Digestion Method (Online) |
| Wavelength | 610 nm |
| Measurement Range | 20–1500 mg/L (extendable to 5000 mg/L) |
| Accuracy | ±10% of reading for ≥30 mg/L |
| Repeatability | ≤3% |
| Limit of Detection | 5 mg/L |
| Cycle Time | 35 minutes |
| Batch Capacity | 1 sample per cycle |
| Brand | WTW |
|---|---|
| Model | TresCon COD-3250 |
| Type | Online Analyzer |
| Measurement Principle | Potassium Dichromate Digestion (High-Temperature Closed-System) |
| Wavelength | 620 nm |
| Range | 20–5000 mg/L COD |
| Accuracy | ≤ ±10% at ≥30 mg/L |
| Repeatability | ≤ ±3% |
| Detection Limit | Not Specified |
| Cycle Time | 35 min per sample |
| Sample Throughput | 1 sample per cycle |
| Compliance | Designed to meet GB 11914-1989 and HJ 399-2007 requirements |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | TresCon |
| Measurement Principles | Photometric (UV-Vis) with segmented flow analysis (SFA) |
| Operating Temperature | 0–40 °C |
| Storage Temperature | −25–60 °C |
| Power Supply | 230 VAC ±10%, 50 Hz or 115 VAC ±10%, 50–60 Hz |
| Max. Power Consumption | 480 W |
| Enclosure Rating | IP65 equivalent (PVC housing, stainless steel mounting frame) |
| Display | 240 × 128 pixel backlit graphic LCD |
| Analog Outputs | 3 isolated 4–20 mA |
| Digital Interfaces | RS232, RS485 |
| Certifications | CE, GS, DIN-GOST, IEC 61010-1, EN 50081-1, EN 50082-2 |
| Compliance | Designed for continuous operation in industrial wastewater, aquaculture, and municipal water monitoring per ISO 15681-1 (phosphate), ISO 11905-1 (nitrate/nitrite), and EPA Method 353.2 (total phosphorus) |
| 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 |
| Model | TriOxmatic 700IQ |
| Sensor Type | Clark-type polarographic membrane electrode with potentiostatic 3-electrode system |
| Membrane Thickness | 50 µm hydrophobic Teflon® |
| Minimum Flow Rate | ≥0.5 cm/s |
| Response Time (t₉₀) | <180 s |
| Accuracy | ±1% of reading across full range |
| Operating Temperature | 0–50 °C |
| Output Signal | Digital (IQ Sensor Net protocol) |
| Compliance | EN ISO 5814, ASTM D888, USP <731>, GLP/GMP-ready data logging |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | TriOxmatic |
| Instrument Type | Online Water Quality Analyzer |
| Measured Parameter | Dissolved Oxygen (DO) |
| O₂ Concentration Ranges | 0.0–60.0 mg/L (TriOxmatic® 700 IQ), 0.00–20.00 mg/L (701 IQ), 0.001–2.000 mg/L (702 IQ) |
| O₂ Saturation Ranges | 0–600 %, 0.0–200.0 %, 0–110 % |
| Resolution | 0.1 mg/L / 0.01 mg/L / 0.001 mg/L |
| Response Time (t₉₀) | 180 s (700 IQ), 30 s (701/702 IQ) |
| Minimum Flow Rate | 0.05–0.3 m/s |
| Temperature Compensation | Integrated NTC, –5 to +60 °C |
| Accuracy | ±0.1 mg/L or ±1% of reading |
| Electrode Materials | Stainless Steel 316, Titanium, POM (for seawater) |
| Max. Pressure Rating | 10 bar (standard), 1 bar (F-type) |
| Power Consumption | 0.2 W |
| Diagnostics | SensReg (electrolyte depletion alarm), SensLeck (membrane breach detection) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | TS 608/2-i |
| Internal Capacity | 360 L |
| Temperature Range | 10–40 °C |
| Control Accuracy | ±1 °C |
| Temperature Resolution | 1 °C |
| Refrigerant | R-600a |
| Power Consumption | 160 W |
| External Dimensions (H×W×D) | 850 × 600 × 600 mm |
| Internal Dimensions (H×W×D) | 1452 × 470 × 440 mm |
| Net Weight | 34 kg |
| Internal Power Outlets | 2 × 230 V AC, 50 Hz |
| Transparent Double-Glazed Door | Yes |
| Compliance | IEC 61000-6-3, IEC 61000-6-2, EN 61326-1 (EMC for laboratory equipment), EN 61010-1 (Safety) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | TS 608/2-i |
| Air Circulation | Forced Convection |
| Control Method | Digital PID Temperature Control |
| Temperature Range | 10 °C to 40 °C |
| Temperature Accuracy | ±0.5 °C |
| Temperature Uniformity | ±0.5 °C |
| Temperature Fluctuation | ±0.5 °C |
| Capacity | 180 L |
| External Dimensions (H×W×D) | 850×600×600 mm |
| Refrigerant | R-600a |
| Operating Ambient Temperature | 10 °C to 32 °C |
| Storage Ambient Temperature | −10 °C to +50 °C |
| Power Consumption | 200 W |
| Net Weight | 34 kg |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | Turb 2000 |
| Type | Online Turbidimeter |
| Measurement Range | 0–1000 NTU (Turb 2000) |
| Resolution | 0.0001 NTU |
| Operating Temperature | 1 °C – 50 °C |
| Accuracy | ±2% of reading or ±0.02 NTU (≤40 NTU), ±5% of reading (>40 NTU) |
| Light Sources | Infrared LED (DIN 7027 compliant), Tungsten Halogen Lamp (USEPA Method 180.1 compliant) |
| Enclosure Rating | IP66 |
| Optional | Ultrasonic Cleaning System |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | Turb 430IR |
| Product Type | Portable |
| Measurement Range | 0–1100 FNU/NTU |
| Resolution | 0.01 FNU/NTU (0.00–9.99), 0.1 FNU/NTU (10.0–99.9), 1 FNU/NTU (100–1100) |
| Operating Temperature | 0 °C to 50 °C |
| Accuracy | ±2% of reading or ±0.01 FNU/NTU (whichever is greater) |
| Ingress Protection | IP67 |
| Light Source | Infrared LED compliant with ISO 7027 and DIN 27027 |
| Response Time | 4 s |
| Calibration | 1–3 point automatic calibration with AMCO-GP standards (0.02, 10, 1000 FNU/NTU) |
| Data Storage | 1000 measurement records with timestamp |
| Interface | RS232, USB (optional) |
| Power Supply | 4 × AA batteries (~3000 measurements per set) |
| Compliance | CE, cETLus, GLP/AQA-ready, ISO 7027-compliant |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | Turb 430T / Turb 430IR |
| Type | Portable |
| Measurement Range | 0–1100 NTU with automatic range switching |
| Resolution | 0.01 NTU (0.00–9.99 NTU) / 0.1 NTU (10.0–99.9 NTU) / 1 NTU (100–1100 NTU) |
| Operating Temperature | 0–50 °C |
| Accuracy | ±0.01 NTU or ±2% of reading |
| Repeatability | <±0.5% of reading or 0.01 NTU |
| Light Source | Turb 430IR — IR-LED at 860 nm |
| Response Time | 3 s (IR) / 7 s (tungsten) |
| Calibration | Automatic 1–3 point calibration |
| Data Storage | 1000 measurement records + calibration protocols |
| Real-Time Clock | Yes |
| Interface | RS232 and USB (with adapter) |
| Power Supply | 4 × AA alkaline batteries (≈2000 measurements with tungsten lamp |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | Turb 430T |
| Product Type | Portable |
| Measurement Range | 0–1100 FNU/NTU |
| Resolution | 0.01 NTU (0.00–9.99 NTU) |
| Operating Temperature | 0 °C to 50 °C |
| Accuracy | ±2% or ±0.01 FNU/NTU (whichever is greater) for 0–500 NTU |
| Measurement Principle | 90° Nephelometric Scattering (EPA Method 180.1 compliant) |
| Light Source | Tungsten Halogen Lamp |
| Response Time | ≤7 s |
| Sample Cell | 28 × 60 mm cylindrical cuvette (20 mL volume) |
| Data Storage | 1000 measurements with timestamp |
| Interface | RS232 standard, USB optional |
| Ingress Protection | IP67 |
| Certifications | CE, cETLus |
| Calibration | Automatic 1–3 point calibration with AMCO-EPA traceable standards (0.02 / 10 / 1000 NTU) |