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| Brand | TriOS |
|---|---|
| Origin | Germany |
| Model | eCHEM ClO₂ |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Amperometric (3-Electrode Potentiostatic) |
| Measurand | Chlorine Dioxide (ClO₂) |
| Range | 0–2 mg/L (ppm), optionally 0–20 mg/L |
| Accuracy | ±0.4 mg/L (0–2 mg/L range) |
| Temp. Compensation | Integrated Pt100 |
| Response Time (T90) | ~60 s |
| Housing Material | PVC-U & Stainless Steel 1.4571 |
| Dimensions | 205 mm × 25 mm |
| Weight | 0.12 kg |
| Output Interface | RS-485, Modbus RTU |
| Power Supply | 9–30 VDC, max. 56 mA |
| Connector | 8-pin M12 |
| IP Rating | IP68 |
| Operating Temp. | 0–50 °C (liquid, ice-free) |
| Pressure Rating | 1 bar (static, no shock/vibration) |
| pH Range | 1–12 |
| Conductivity Range | 10 µS/cm – 50 mS/cm |
| Cross-Sensitivity | Cl₂ — negligible interference |
| Membrane Lifetime & Maintenance | Weekly verification recommended |
| Flow Dependency | Yes (optimal flow in FLC-3 flow cell: 15–30 L/h) |
| Calibration Method | DPD-1 spectrophotometric reference for chlorine-equivalent validation |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Model | eCHEM Total Chlorine |
| Instrument Type | Online Analyzer |
| Measurement Principle | Electrochemical Amperometric (3-Electrode, Constant-Potential) |
| Measured Parameter | Total Chlorine (Free + Combined Chlorine) |
| Range Options | 0–2 mg/L and 0–20 mg/L |
| Accuracy | >97% (as validated against DPD-4 reference method) |
| Repeatability | ±0.1 mg/L |
| Resolution | 0.001 mg/L (0–2 mg/L range), 0.01 mg/L (0–20 mg/L range) |
| LOD | 0.001 mg/L |
| pH Range | 4–12 |
| Conductivity Range | 10 µS/cm – 200 mS/cm |
| Response Time (T90) | ~3 min (freshwater), ~5 min (seawater/brine) |
| Operating Temperature | 0–46 °C (sample), 0–55 °C (ambient) |
| Pressure Rating | 0.5 bar (unclamped), 3 bar (with clamp) |
| Output Interface | RS-485, Modbus RTU |
| Power Supply | 9–30 VDC |
| Housing Materials | PEEK, PVC-U, 1.4571 stainless steel, hydrophilic microporous membrane |
| Weight | 1.1 kg |
| Dimensions (L × Ø) | 205 mm × 25 mm |
| Brand | TriOS |
|---|---|
| Origin | Germany |
| Model | eCHEM Free Chlorine |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Amperometric (3-Electrode, Membrane-Covered, Potentiostatic) |
| Measurement Parameter | Free Chlorine |
| Range | 0–2 mg/L and 0–20 mg/L |
| Accuracy | ±0.4 mg/L (≤2 mg/L range) |
| Temperature Compensation | Integrated Pt100 |
| Response Time (T90%) | ~2 min |
| Drift | ~1%/month |
| Membrane | Hydrophilic Microporous |
| Housing Material | PVC-U + Stainless Steel 1.4571 |
| Dimensions (L×Φ) | 205 mm × 25 mm |
| Weight | 0.1 kg |
| Interface | RS-485, Modbus RTU |
| Power Supply | 9–30 VDC (±10%) |
| Connector | 8-pin M12 |
| Power Consumption | 0.6 W |
| IP Rating | IP68 |
| Operating Temperature | 0–45 °C (liquid, ice-free) |
| Flow Rate Dependency | 15–30 L/h (in FLC-3 flow cell) |
| pH Range | 4–9 (low pH dependency: ~−10% signal change per pH unit) |
| Conductivity Range | 10–50 mS/cm |
| Cross-Sensitivity | Combined chlorine causes positive interference |
| Calibration Method | DPD-1 reference standard |
| Pressure Rating | 1 bar (static, no shock/vibration |
| Maintenance Interval | Weekly |
| Maintenance Time | ≤0.5 h/month |
| Brand | AQUALABO |
|---|---|
| Origin | France |
| Model | STAC CL |
| Instrument Type | Online Analyzer |
| Measurement Principle | UV Absorption Spectrophotometry (204–321 nm) |
| Measured Parameters | Free Chlorine (Cl₂), Total Chlorine, Chlorine Dioxide (ClO₂), Hydrogen Sulfide (H₂S) |
| Range | Cl₂ 4–3000 mg/L |
| Optical Path Length Options | 2 mm (Cl₂: 100–3000 ppm, H₂S LOD: 10 ppm), 5 mm (Cl₂: 40–1200 ppm, H₂S LOD: 4 ppm) |
| Spectrometer | UV Multichannel Spectrophotometer |
| Sample Flow | Gravity-fed, max. pressure 1 bar |
| Channels | 1 standard, up to 4 programmable sample channels + blank channel |
| Valves | 2–5 solenoid valves |
| Detection Method | Deconvolution-based spectral analysis using reference spectra libraries |
| Data Output | Four 4–20 mA analog outputs + RS232C interface |
| Operating Temperature | 15–40 °C |
| Sample Temp. | ≤40 °C |
| Sample Matrix | Natural or treated water, suspended solids <2 mm |
| Power Supply | 230 V AC, 50/60 Hz, 300 VA |
| Dimensions | 800 × 600 × 360 mm |
| Weight | 15 kg |
| Light Source | Deuterium lamp (rated for ≥100,000 measurements) |
| Memory Capacity | 4 spectral models + 255 measurement records |
| Software | UV PRO for model calibration, spectrum visualization, maintenance diagnostics |
| Brand | AQUALABO |
|---|---|
| Origin | France |
| Model | S200 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Potentiometric (Gold Ring Electrode) |
| Measured Parameter | Chlorine Dioxide (ClO₂) |
| Range | ClO₂: 0.00–5.00 mg/L |
| pH | –2.00 to 16.00 |
| Temperature | –30.00 to 140.00 °C |
| Accuracy | ±2 % of full scale |
| Resolution | ClO₂: 0.01 mg/L |
| pH | 0.01 unit |
| Temperature | 0.1 °C |
| Response Time | ≤30 s |
| Max. Operating Pressure | 8 bar @ 20 °C |
| Max. Fluid Temperature | 70 °C |
| Flow Rate | 40–120 L/h |
| Sensor Material | Glass body with gold-ring working electrode |
| Enclosure Rating | IP65 |
| Power Supply | 110/230 VAC, ±10 %, 50/60 Hz |
| Power Consumption | 16 VA |
| Dimensions (Analyzer) | 160 × 165 × 85 mm |
| Weight | 1.1 kg |
| Display | 4×20-character backlit LCD |
| Analog Outputs | 2 × isolated 4–20 mA (max. 600 Ω load) |
| Digital Inputs | 2 (including pulse input for flow meter) |
| Relay Outputs | 3 configurable (NO/NC/C, 120–240 VAC, 2 A) |
| Digital Outputs | 2 programmable dry-contact outputs (≤12 V, 200 mA) |
| Control Functions | Dual independent on/off, P or PI control, pulse-pause, frequency, and continuous analog output modes |
| Operating Temp. | –20 to 55 °C (≤90 % RH at 40 °C, non-condensing) |
| Storage Temp. | –20 to 65 °C |
| Brand | AQUALABO |
|---|---|
| Origin | France |
| Model | S200 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Amperometric (Gold Ring Electrode) + Potentiometric (pH Electrode) |
| Measured Parameters | Free Residual Chlorine, Total Active Chlorine, pH, Temperature |
| Range | Free Chlorine: 0.00–5.00 mg/L |
| Total Active Chlorine | 0.00–5.00 mg/L |
| pH | –2.00–16.00 |
| Temperature | –30–140 °C |
| Accuracy | ±2 % of full scale |
| Resolution | Chlorine: 0.01 mg/L |
| pH | 0.01 unit |
| Temperature | 0.1 °C |
| Response Time | ≤30 s |
| Max. Operating Pressure | 8 bar @ 20 °C |
| Flow Rate | 40–120 L/h |
| Sensor Material | Glass body / Gold working electrode |
| Temp. Sensor | Pt1000 |
| Enclosure Rating | IP65 |
| Power Supply | 110–230 VAC, 50/60 Hz |
| Power Consumption | 16 VA |
| Dimensions (W×H×D) | 160 × 165 × 85 mm |
| Weight | 1.1 kg |
| Operating Temp. | –20–55 °C, ≤90 % RH (non-condensing) |
| Storage Temp. | –20–65 °C |
| Analog Outputs | 2 × 4–20 mA (galvanically isolated, max. load 600 Ω) |
| Digital Interface | Modbus RTU Slave (RS485) |
| Relay Outputs | 3 configurable (NO/NC/C, 120–240 VAC, 2 A) |
| Digital Inputs | 2 (including pulse input for flow meter integration) |
| Control Modes | On/Off, P, PI, Pulse–Pause, Continuous (via analog output) |
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