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| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | W-20XD Series (Outdoor Deployment) |
| Instrument Type | Portable Submersible Data Logger |
| Measurement Principle | Electrochemical & Physical Sensor Array (pH, DO, EC, ORP, Turbidity, Depth, Temp, Salinity, TDS, Seawater Specific Gravity, Ion-Selective Electrodes) |
| pH Range | 0–14 |
| pH Accuracy | ±0.1 pH |
| pH Repeatability | ±0.05 pH |
| pH Resolution | 0.01 pH |
| Dissolved Oxygen Range | 0–19.99 mg/L |
| DO Accuracy | ±0.2 mg/L |
| Conductivity Range | 0–9.99 S/m |
| Conductivity Accuracy | ±3% FS |
| Turbidity Range | 0–800 NTU |
| Turbidity Accuracy | ±5% |
| Depth Range | 0–100 m |
| Depth Accuracy | ±5% |
| Operating Temperature | 0–55 °C |
| Storage Temperature | −5–60 °C |
| Waterproof Rating | IP67 (Control Unit) |
| Continuous Logging Duration | 30 Days (2880 Data Points at 15-min Interval) |
| Max Submersion Depth | 100 m |
| Sensor Housing | Impact-Resistant, Pressure-Compensated Enclosure |
| Data Transmission | Remote Wireless Upload (Optional Module) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | U-50 Series |
| Instrument Type | Portable |
| Measurement Principles | Glass Electrode (pH), Platinum Electrode (ORP), Polarographic Membrane (DO), AC 4-Electrode (Conductivity), LED/Tungsten Light Scattering (Turbidity), Pressure Transducer (Depth), Pt100 RTD (Temperature) |
| pH Range | 0–14 |
| pH Resolution | 0.01 |
| pH Accuracy | ±0.1 |
| pH Repeatability | ±0.05 |
| ORP Range | −2000 to +2000 mV |
| ORP Resolution | 1 mV |
| ORP Accuracy | ±15 mV |
| DO Range | 0–50.0 mg/L |
| DO Resolution | 0.01 mg/L |
| DO Accuracy | ±0.2 mg/L (0–20 mg/L), ±0.5 mg/L (20–50 mg/L) |
| Conductivity Range | 0–10 S/m (0–100 mS/cm) |
| Conductivity Accuracy | ±1% F.S. (midpoint of dual-point calibration) |
| Turbidity Range | 0–1000 NTU (model-dependent) |
| Turbidity Resolution | 0.01 NTU (0–9.99 NTU) |
| Turbidity Accuracy | ±3% reading or ±0.1 NTU (whichever greater, per ISO 7027 or EPA Method 180.1) |
| Depth Range | 0–30 m |
| Depth Resolution | 0.05 m |
| Depth Accuracy | ±0.3 m |
| Temperature Range | −10 to +55 °C |
| Temperature Accuracy | JIS B-class Pt100 (±0.3 + 0.005 |
| Detection Limit (pH/DO/Cond) | 0.1 unit or mg/L or mS/cm (context-dependent) |
| Measurement Time | <10 seconds per parameter set |
| Data Storage | 10,000 measurement groups |
| Battery Life | ~70 hours (alkaline AA ×4, backlight off) |
| IP Rating | IP67 (instrument), IP68 (probe, JIS Class 8) |
| Operating Temp | −5 to +45 °C |
| Storage Temp | −10 to +60 °C |
| Probe Cable Length | Standard 2 m (optional 10 m / 30 m) |
| Probe Material | PPS, SUS316L, SUS304, FKM, PEEK, Ti, FEP, POM |
| Weight (Probe) | ~1800 g |
| Weight (Instrument) | ~800 g |
| Display | 320 × 240 monochrome LCD with backlight |
| Communication | USB |
| GPS | 12-channel (U-52G/U-53G/U-54G models only) |
| Language Support | English, Japanese, Russian, Spanish, Portuguese |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | OPSA-150 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Dual-Wavelength UV/VIS Absorption Spectrophotometry |
| Measurement Wavelengths | UV: 253.7 nm, VIS: 546.1 nm |
| Measurement Range | 0–10 m⁻¹ SAC to 0–500 m⁻¹ SAC (0–0.1 Abs to 0–5.0 Abs) |
| Accuracy | ±2.0% F.S. |
| Repeatability | ±2.0% F.S. |
| Detection Limit | 0.01 m⁻¹ SAC |
| Resolution | 0.01 m⁻¹ SAC (0.0001 Abs) |
| Zero Drift Compensation | Rotating Cell-Length Adjustment System |
| Cleaning Method | Continuous Wiper-Based Optical Path Cleaning |
| Data Storage | Internal memory (1-year hourly data) + CF card export |
| Output | 3-channel isolated 4–20 mA analog outputs |
| Communication | RS-232C (19200 bps) |
| Sample Flow Rate | 2–20 L/min |
| Operating Temperature | 2–40 °C |
| Power Supply | AC 100–230 V ±10%, 50/60 Hz |
| Enclosure | Indoor-rated, IP54-equivalent housing |
| Weight | ~100 kg |
| Dimensions | 460 W × 380 D × 1600 H mm |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | OPSA-150 |
| Instrument Type | Online Analyzer |
| Measurement Principle | UV-Vis Absorption Spectrophotometry |
| Wavelengths | UV: 254 nm, VIS: 546 nm |
| Measurement Range | 0–10 m⁻¹ SAC (0–0.1 Abs to 0–5.0 Abs equivalent) |
| Repeatability | ±2.0% F.S. |
| Resolution | 0.01 m⁻¹ SAC (0.0001 Abs) |
| Data Logging | Internal storage for 1 year (hourly intervals), CF card export supported |
| Cleaning Method | Continuous wiper-based optical cell cleaning |
| Flow Interruption Detection | Standard flow switch input |
| Display | Touchscreen HMI with guided setup and dual-parameter display (COD + turbidity conversion) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | F-73 Benchtop |
| Measurement Range | pH 0.000–14.000 |
| Accuracy | ±0.001 pH |
| Repeatability | ±0.001 pH ±1 digit |
| Resolution | 0.001 pH |
| ORP Range | ±1999.9 mV |
| ORP Resolution | 0.1 mV |
| ORP Repeatability | ±0.1 mV ±1 digit |
| Ion Concentration Range | 0.00 µg/L–999 g/L (mol/L) |
| Ion Repeatability | ±0.5% F.S. ±1 digit |
| Temperature Range | −30.0–130.0 °C |
| Temp Resolution | 0.1 °C |
| Temp Repeatability | ±0.1 °C ±1 digit |
| Data Storage Capacity | 2000 measurements |
| Compliance | JIS, USP <645>, EP 2.2.38, JP XVI, ChP |
| Power Supply | AC adapter 100–240 V, 50/60 Hz |
| Power Consumption | ~9.8 VA |
| Weight | 700 g |
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