Water Quality Analysis
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| 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 | 14558 |
| Format | Pre-filled Reagent Tubes |
| Compliance | DIN EN ISO 11732, EPA Method 350.1, DIN 38405-16 |
| Measurement Range (NH₄⁺-N) | 0.5–16.0 mg/L |
| Detection Principle | Indophenol Blue Spectrophotometry |
| Compatible Instruments | photoLab® 6100/6600/7100/7600, NOVA 30/60, Prove®, Move 100, photoFlex®, photoLab S6/S12 |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | C3/25 14541 |
| Certification | DIN 38409-41, EPA 410.4 compliant |
| Packaging | 25 vials per kit |
| COD Range | 25–1500 mg/L |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | CellOx 325 |
| Measurement Principle | Polarographic Electrochemical Sensor |
| Measurement Range | 0–50 mg/L |
| Temperature Range | 0–50 °C (NTC probe) |
| Electrode Body Material | POM |
| Cathode Material | Gold |
| Cable Length | 1.5 m (standard, IP67 connector) |
| Electrolyte Service Life | Up to 6 months |
| Zero Drift | Negligible (no zero-point calibration required) |
| Oxygen Consumption Rate | 0.008 µg·h⁻¹·(mg·L⁻¹)⁻¹ |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | Chlorine 3017M |
| Instrument Type | Online Analyzer |
| Measurement Principle | DPD Spectrophotometry |
| Measured Parameters | Free Chlorine, Total Chlorine, Chlorine Dioxide (optional reagent configuration) |
| Range | 0–5 mg/L (free or total chlorine, reagent-dependent) |
| Accuracy | ±0.03 mg/L or ±5% (whichever is greater) |
| Resolution | 0.01 mg/L |
| Detection Limit | 0.03 mg/L |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | C3/25 |
| Instrument Type | Portable COD Analyzer Compatible |
| Measurement Range | 10–150 mg/L |
| Accuracy | ±5% (vs. certified COD standard) |
| Repeatability | ≤3% RSD |
| LOD | 10 mg/L |
| Analysis Time | 2 hours |
| Batch Capacity | 25 tests per kit |
| Compliance | EPA 410.4 & DIN 38409-H41 validated methods |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | CR 3200 1P22-1 |
| Digestion Method | Rapid Digestion |
| Heating Modules | Dual Block Heater |
| Batch Capacity | 24 × 16 mm tubes |
| Temperature Range | 25–170 °C |
| Time Range | 0–180 min |
| Power Supply | 230 VAC 50 Hz ±15% / 115 VAC 60 Hz ±15% |
| Power Consumption | 560 W |
| Safety Class | I (DIN VDE 0700 Part 1:11/90) |
| Certifications | CE, cETLus, GS |
| Dimensions (W×H×D) | 256 × 185 × 315 mm |
| Weight | 3.6 kg |
| Interface | RS232 (unidirectional), 2 banana sockets (for TFK CR, AK CR/P or CR/PC sensors) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | 1P22-1 |
| Digestion Method | Rapid Thermal Digestion |
| Heating Module | Single Aluminum Block |
| Batch Capacity | 24 positions |
| Temperature Range | 25–170 °C (adjustable in 1 °C increments) |
| Temperature Accuracy | ±1 °C |
| Sample Tube Compatibility | 24 × 16 mm OD reaction tubes |
| Timer Control | Programmable, microprocessor-controlled timing |
| Power Supply | 230 VAC ±15%, 50 Hz or 115 VAC ±15%, 60 Hz |
| Power Consumption | 560 W |
| Safety Certification | CE, cETLus, GS, DIN VDE 0700 Part 1 (11/90), Protection Class I |
| Dimensions (W×H×D) | 256 × 185 × 315 mm |
| Weight | 3.6 kg |
| Interface | RS232 serial output + 2 banana sockets (for optional TFK CR temperature probe or AK CR/P, CR/PC adapters) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | CR 4200 |
| Digestion Method | Rapid Thermal Digestion |
| Heating Blocks | Dual independent 12-position blocks |
| Sample Capacity | 24 × 16 mm OD reaction tubes |
| Temperature Range | 25–170 °C |
| Time Range | 0–180 min |
| Temperature Accuracy | ±1 °C |
| Temperature Stability | ±0.5 K |
| Overtemperature Protection | 190 ±5 °C |
| Heating Rate | 25→100 °C in ≤5 min, 25→120 °C in ≤7 min, 25→148 °C in ≤10 min |
| Power Supply | 230 VAC/50 Hz or 115 VAC/60 Hz |
| Power Consumption | 560 W |
| Operating Temperature | +5 to +40 °C |
| Storage Temperature | –25 to +65 °C |
| Dimensions (W×D×H) | 292 × 245 × 180 mm |
| Weight | 3.6 kg |
| Communication Interface | RS-232 |
| Certified Compliance | GS, CE, cETLus |
| Optional Accessory | External temperature probe TFK CR (Art. No. 250100) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | CR2200 1P21- |
| Digestion Method | Rapid Digestion |
| Heating Module | Single Heating Block |
| Batch Capacity | 12 × 16 mm Tubes |
| Temperature Range | Ambient to 170 °C |
| Fixed Programs | 5 pre-set (100 °C/60 min |
| Temperature Stability | ±0.5 K |
| Control Accuracy | ±1 °C |
| Overtemperature Protection | 190 °C ±5 °C |
| Heating Time | 25 °C → 100 °C in 5 min |
| Power Supply | 230 V AC / 50 Hz or 115 V AC / 60 Hz |
| Power Consumption | 280 W |
| Dimensions (W×D×H) | 292 × 245 × 180 mm |
| Weight | 2.9 kg |
| Safety Certifications | GS, CE, cETLus |
| Operating Temperature | +5 °C to +40 °C |
| Storage Temperature | −25 °C to +65 °C |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | CR3200 |
| Digestion Method | Rapid Thermal Digestion |
| Heating Module | Single Aluminum Block |
| Batch Capacity | 24 × 16 mm Reaction Tubes |
| Temperature Range | Adjustable from Ambient to 170 °C in 1 °C Increments |
| Temperature Accuracy | ±1 °C ±1 Digit |
| Power Supply | 230 VAC 50 Hz ±15% / 115 VAC 60 Hz ±15% |
| Max. Power Consumption | 560 W |
| Safety Compliance | DIN VDE 0700 Part 1 (11/90), CE, cETLus, GS |
| Dimensions (W×D×H) | 256 × 185 × 315 mm |
| Weight | Approx. 3.6 kg |
| Interface | RS232 Serial Port + 2 Banana Sockets (for TFK/AK CR/P or CR/PC Sensors) |
| Predefined Programs | 8 Fixed + 8 User-Defined (0–180 min, Ambient–170 °C) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | DurOx325-3 |
| Measurement Principle | Electrochemical (Polarographic) |
| IP Rating | IP68 (2 bar) |
| Cable Length | 3 m |
| Temperature Compensation | Integrated Dual-Temperature IMT Sensor |
| Zero Drift | None |
| Electrolyte Service Life | Up to 6 months |
| Storage/Calibration Kit | OxiCal®-D included |
| Protective Cap | SK-D standard |
| Application Class | Laboratory & Field-Portable Instruments |
| Compliance | Designed for ASTM D888, ISO 5814, EN 25814, and EPA Method 360.1 |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Manufacturer Status | Authorized Distributor |
| Origin Category | Imported |
| Model | ELY/NH |
| Price | USD 1,395 |
| 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 | FDO 700IQ |
| Part Number | 201650 |
| Measurement Principle | Green-light-based fluorescence quenching |
| Range (25°C) | 0–20.00 mg/L O₂, 0.0–200.0% saturation |
| Resolution | 0.01 mg/L O₂, 0.1% saturation |
| Accuracy | ±0.05 mg/L (<1 mg/L), ±0.1 mg/L (≥1 mg/L) |
| Repeatability | ±0.05 mg/L |
| Response Time (t₉₀) | <150 s |
| Temperature Range | –5°C to +60°C (sensor), –5°C to +50°C (compensation) |
| Pressure Rating | 10 bar (including cable) |
| Enclosure Rating | IP68 |
| Materials | POM/PVC/silicone membrane head, stainless steel body |
| Power Consumption | 0.7 W |
| Compliance | CE, cETLus, EN 61326 Class B, FCC Class A |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | FDO 925 |
| Instrument Type | Portable |
| Measurement Principle | Optical Fluorescence Quenching |
| Range | 0–20 mg/L DO |
| Accuracy | ±0.5% of reading ±0.05 mg/L DO |
| Repeatability | ≤0.1% of reading |
| Detection Limit | 0.01 mg/L DO |
| Response Time (t₉₀) | <30 s |
| Temperature Range | 0–50 °C |
| IP Rating | IP68 (2.5 bar) |
| Cable Options | 1.5 / 3 / 6 / 25 m |
| Electrode Body Material | POM |
| Cap Material | PVC, silicone, PMMA |
| Temperature Sensor | Integrated NTC30 (30 kΩ at 25 °C) |
| Weight | 180 g (with 3 m cable) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | FDO |
| Measurement Principle | Fluorescence-based (dynamic quenching) |
| Detection Parameter | Dissolved Oxygen (DO) |
| Instrument Type | Online Water Quality Analyzer |
| Compliance | Designed for continuous monitoring in wastewater treatment and environmental applications |
| Calibration | Factory-calibrated smart sensor with embedded calibration chip (IQMC) |
| Optical System | Dual-path EPRS (Equal Path Reference System) |
| Light Source | Green LED (GLT technology) |
| Sensor Geometry | 45° beveled tip for bubble rejection |
| Operating Environment | Aqueous media, activated sludge, surface water, and effluent streams |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | FDO925 |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence Quenching |
| Measurement Range | 0.00–20.00 mg/L |
| Response Time (T99) | <60 s |
| Temperature Range | 0–50.0 °C ± 0.2 °C |
| DO Accuracy | ±0.5% of reading |
| Saturation Range | 0–200.0 % |
| Partial Pressure Range | 0–200 hPa ± 0.5% of reading |
| Electrode Material | POM body with stainless steel tip |
| Dimensions | 140 mm ± 1 mm (L) × 15.3 mm ± 0.2 mm (Ø) |
| Cable Options | 1.5 m, 3 m, 6 m, 25 m (Kevlar-reinforced) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | inoLab® Multi 9310 |
| Measurement Parameters | pH, ORP, Conductivity, Dissolved Oxygen (optical fluorescence), Temperature |
| Sensor Interface | IDS (Intelligent Digital Sensors) |
| Compliance | GLP, AQA |
| Data Storage | 5,000 readings with timestamp, user ID, and sensor serial number |
| Connectivity | Mini USB-B |
| Power Supply | AC adapter or 4 × AA batteries |
| Calibration Memory | Up to 10 calibrations with scheduling (1–999 days) |
| Temperature Compensation | Automatic for all parameters except ORP |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | inoLab Multi 9430 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measurable Parameters | pH, mV (ORP), Conductivity, Resistivity, Salinity, Dissolved Oxygen (DO), Turbidity, Ion-Selective Electrode (ISE) Concentration |
| Connectivity | Digital Smart Probe Interface (No Cable Required) |
| Display | Backlit Graphic LCD with Antimicrobial Keypad |
| Probe Management | QSC (Quality Sensor Control) & CMC (Continuous Measurement Control) |
| Data Storage | Up to 10,000 measurement sets |
| Compliance | Designed for ISO/IEC 17025-compliant labs |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | Oxi7310 |
| Instrument Type | Benchtop (not portable — corrected per technical specification) |
| Measurement Principle | Electrochemical (Clark-type polarographic sensor) |
| Dissolved Oxygen Range | 0.00–19.99 mg/L |
| Accuracy | ±0.5% of reading |
| Data Storage | 5,000 automatic / 500 manual entries |
| Pressure Compensation | Automatic (integrated barometric sensor, 500–1100 mbar) |
| Salinity Compensation | Manual (0.0–70.0 g/kg) |
| Temperature Range | 0.0–50.0 °C |
| Temperature Accuracy | ±0.1 °C |
| Interface | Mini-USB |
| Display | Backlit LCD with graphical capability |
| Power | AC adapter, 4×AA alkaline batteries, or USB bus power |
| Battery Life | Up to 800 h (backlight off), 100 h (backlight on) |
| Compliance | GLP/AQA-compliant data logging with audit trail support |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | inoLab Oxi 7310 |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Principle | Electrochemical Dissolved Oxygen (DO) Method with StirrOx-G Self-Stirring Sensor |
| Measurement Range | DO: 0.00–20.00 mg/L (resolution: 0.01/0.1 mg/L) |
| Saturation | 0–200.0 % (0.01/0.1 %) |
| Partial Pressure of O₂ | 0–200.0 mbar (0.01/0.1 mbar) |
| Accuracy | ±0.5% of reading for DO, saturation, and pO₂ |
| Data Storage | 5,000 automatic / 500 manual entries |
| Interface | Mini-USB |
| Display | Backlit LCD with graphical capability |
| Power Supply | 4 × 1.5 V alkaline batteries, USB power, or universal AC adapter |
| Battery Life | up to 800 h (no backlight), 100 h (continuous backlight) |
| Compliance | GLP/AQA-compliant data logging with audit trail support |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | Oxi 7310 |
| Instrument Type | Benchtop Laboratory DO Meter |
| Measurement Principle | Electrochemical (Clark-type Polarographic Sensor) |
| Range | 0.00–20.00 mg/L |
| Accuracy | ±0.5% of reading (0.00–20.00 mg/L) |
| Repeatability | ≤±0.5% |
| Detection Limit | 0.10 mg/L |
| Temperature Range | −5.0 to +105.0 °C (±0.1 °C) |
| Saturation Range | 0.0–200.0 % (±0.5%) and 0.0–600 % (±0.5%) |
| Partial Pressure Range | 0–200.0 hPa / 0–1250 hPa |
| Data Storage | 500 manual entries / 5000 auto-logged records |
| Interface | Micro-USB |
| GLP Compliance | Yes (time-stamped, user-ID, probe serial logging, audit-ready CSV export) |
| Power Supply | 4×AA alkaline or NiMH batteries or AC adapter |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | inoLab Oxi 7310 |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical (Polarographic) |
| Dissolved Oxygen Range | 0.00–19.99 mg/L |
| Accuracy | ±0.5% of reading |
| Data Storage Capacity | 5,000 automatic / 500 manual entries |
| Pressure Compensation | Automatic (500–1100 mbar) |
| Salinity Compensation | Manual (0–70.0 g/kg) |
| Temperature Range | 0.0–50.0 °C |
| Temperature Accuracy | ±0.1 °C |
| Interface | Mini-USB |
| Display | Backlit LCD with graphical capability |
| Power Supply | 4 × 1.5 V alkaline batteries, USB bus power, or universal AC adapter |
| Battery Life | Up to 800 h (no backlight), 100 h (continuous backlight) |
| Compliance | GLP/AQA-compliant data logging |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | Multi 9430 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measurement Principle | Electrochemical (pH, ORP, Conductivity, Optical Dissolved Oxygen) |
| Measured Parameters | pH, ORP, Conductivity, Dissolved Oxygen (optical), Temperature |
| Sensor Interface | Digital IDS (Intelligent Digital Sensors) |
| Channels | 3 independent digital sensor inputs |
| Data Storage | 10,000 measurement sets |
| Compliance | GLP/AQA-ready, FDA 21 CFR Part 11–compatible data handling |
| Connectivity | USB-A (host), Mini-USB-B (device), optional external printer support |
| Display | Backlit color graphic LCD |
| Keyboard | Antimicrobial-coated membrane keypad |
| Power Supply | Universal AC adapter |
| Origin | Imported |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Model | IQ Sensor Net |
| Instrument Type | Online Water Quality Analyzer |
| Measurable Parameters | pH, ORP, Temperature, Dissolved Oxygen (DO), Conductivity, Turbidity, Total Suspended Solids (TSS), Chemical Oxygen Demand (COD), Biochemical Oxygen Demand (BOD), Salinity, Ammonium-N (NH₄⁺-N), Nitrate-N (NO₃⁻-N), Nitrite-N (NO₂⁻-N), Total Organic Carbon (TOC), Spectral Absorption Coefficient (SAC), Phosphate (PO₄³⁻) |
| Enclosure Rating | Transmitter IP66 / Sensors IP68 |
| Communication | RS-485/232, MODBUS RTU, PROFIBUS DP |
| Analog Outputs | ≥6 × 4–20 mA |
| Relay Outputs | ≥6 |
| Digital Signal Transmission Distance | Up to 1000 m over 2-wire shielded cable |
| Power Supply | 24 VDC via signal cable |
| Sensor Auto-Recognition | Yes |
| Max. Connected Sensors | 20 |
| Cleaning Technology | Integrated ultrasonic cleaning (turbidity/TSS sensors) |
| Measurement Principle | Potentiometric (pH/ORP), Optical luminescence (DO), 4-electrode conductivity, 90° scattered light turbidimetry (FNU), UV-VIS absorbance (COD/SAC/NO₃⁻/NH₄⁺/PO₄³⁻), respirometric (BOD), catalytic oxidation (TOC) |
| 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 | MIQ/TC 2020 3G |
| Instrument Type | Online Water Quality Analyzer |
| Measured Parameters | pH/ORP, Temperature, Dissolved Oxygen (DO), Conductivity, Turbidity, Sludge Concentration, COD/BOD/TOC/DOC/SAC/UVT, Ammonia-N, Nitrate-N, Nitrite-N, Sludge Interface, Phosphate |
| Max Sensor Channels | 20 |
| Analog Outputs & Relays | up to 48 |
| Max Total Cable Length | 1000 m |
| Data Storage Capacity | 526,600 records |
| Enclosure Rating | IP66 |
| Communication Protocols | PROFIBUS-DP, MODBUS RTU, Ethernet/IP, MODBUS TCP, PROFINET |
| USB Interface | Data export & password-protected system unlock via USB key |
| Optional Remote Connectivity | GSM/Analog modem, Wireless module |
| Calibration Support | IQ-LabLink intelligent calibration system |
| Surge Protection | Integrated lightning protection |
| Redundancy | Standby controller functionality with automatic failover to MIQ/CM3 display unit |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | MPP 910/930 |
| Detection Principle | Electrochemical & Piezoresistive Pressure Transduction |
| Measured Parameter | Depth (Hydrostatic Pressure) |
| Depth Range | 0.50–100 m |
| Resolution | 0.05 m |
| Accuracy | ±0.25 m |
| Pressure Rating | 10 bar |
| Housing Material | Titanium Alloy (MPP 930), POM + Stainless Steel (MPP 910) |
| IP Rating | IP68 |
| Temperature Compensation | Integrated RTD for density- and air pressure-corrected depth calculation |
| Electrode Channels | 1 (MPP 910) or 3 (MPP 930) |
| Compatible Instrument Platform | WTW Multi 3430 with IDS Digital Interface |
| Cable Length Options | 1.5–100 m (field-replaceable) |