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| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | Oxi 3310 |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Clark-type Polarographic Probe |
| DO Range | 0.00–19.99 mg/L (extended up to 90 mg/L) |
| Accuracy | ±0.5% of reading |
| Saturation Range | 0.0–199.9% (extended up to 600%) |
| Partial Pressure Range | 0–199.9 hPa / 0–1250 hPa |
| Temperature Range | −5.0 to +105.0 °C |
| Temp. Accuracy | ±0.1 °C |
| Data Storage | 200 manual + 5000 auto-log entries |
| Logging Interval | 1 s – 60 min |
| IP Rating | IP66/IP67 |
| Power Supply | 4 × 1.5 V alkaline or 4 × 1.2 V rechargeable batteries |
| Battery Life | up to 1000 h (150 h with backlight enabled) |
| Interface | Waterproof USB |
| Calibration | Automatic OxiCal protocol with electrode status feedback |
| ATC | Integrated automatic temperature compensation |
| CMC | Continuous Measurement Control with real-time validity indication |
| 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 | 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 | Germany |
| Model | photoLab 7600 VIS |
| Optical Design | Pseudo-double-beam |
| Detector Type | Photodiode Array (PDA) |
| Wavelength Range | 190–1100 nm |
| Automatic Wavelength Selection | Yes |
| Spectral Bandwidth | 4 nm |
| Wavelength Accuracy | ±0.003E (for E < 0.600), ±0.5% (for 0.600 < E < 2.00) |
| 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 | Merck |
|---|---|
| Origin | Germany |
| Model | Spectroquant TR 420 |
| Digestion Method | Rapid Digestion |
| Heating Modules | Dual heating blocks |
| Batch Capacity | 24 × 16 mm digestion tubes |
| Temperature Range | Ambient to 170 °C |
| Temperature Accuracy | ±1.0 °C |
| Display | LCD with real-time setpoint/actual temperature & time monitoring |
| Heating Status Indication | LED (flashing during ramp-up |
| Safety Features | Contact-protected heating surface |
| Preprogrammed Methods | 8 standard digestion protocols |
| Power Supply | 115–230 V, 50–60 Hz |
| Dimensions (H×W×D) | 180 × 256 × 307 mm |
| Weight | 3.6 kg |
| Brand | Merck |
|---|---|
| Origin | Germany |
| Model | TR 320 |
| Digestion Method | Rapid Digestion |
| Heating Modules | Dual Independent Heating Blocks |
| Batch Capacity | 12 samples |
| Temperature Setpoints | 100 °C, 120 °C, 148 °C |
| Temperature Accuracy | ±1.0 °C |
| Digestion Tube Diameter | 16 mm |
| Display | LCD with Real-Time Setpoint & Actual Temperature/Time Monitoring |
| Safety Features | Touch-Safe Heating Surface, Integrated Protective Cover |
| Power Supply | 115–230 V, 50–60 Hz |
| Dimensions (H×W×L) | 180 × 256 × 307 mm |
| Weight | 2.85 kg |
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