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| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | 9551-20D |
| Cable Length | 2 m |
| Operating Temperature Range | 0–40 °C |
| IP Rating | IP68 (submersible) |
| Compatibility | Designed for use with HORIBA portable and benchtop DO meters (e.g., D-55, LAQUA twin series, or compatible analog input systems) |
| Electrode Type | Polarographic (Clark-type), membrane-covered, galvanic cell configuration |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | OM-71 |
| Instrument Type | Portable |
| Measurement Principle | Galvanic Cell (Electrochemical Membrane Probe) |
| Measurement Range (DO) | 0.00–20.00 mg/L |
| Accuracy (DO) | ±0.01 mg/L |
| Repeatability | ±0.05% |
| Detection Limit | ±2 ppb |
| Temperature Range (Measurement) | −30 °C to 130 °C (Display: 0.0–100.0 °C) |
| Temperature Accuracy | ±0.1 °C ±1 digit |
| Saturation DO Range | 0.0–200.0 % |
| O₂ Concentration Range | 0.0–50.0 % |
| Salt Compensation | 0–40 ppt |
| Atmospheric Pressure Compensation | Yes |
| Display | Backlit Monochrome LCD |
| Data Storage | 1,000 sets with timestamp & ID |
| Communication | USB/RS-232 (PC connectivity, GLP/GMP-compliant data export) |
| Protection Rating | IP67 |
| Operating Environment | 0–45 °C, 0–80% RH (non-condensing) |
| Power | 2 × AAA alkaline or Ni-MH batteries (~500 h battery life) |
| Dimensions (W×D×H) | 67 × 28 × 170 mm (max. thickness 80 mm) |
| Weight (without batteries) | ~270 g |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | 9551-100D |
| Cable Length | 10 m |
| Operating Temperature Range | 0–40 °C |
| IP Rating | IP68 (submersible) |
| Electrode Type | Clark-type polarographic DO sensor |
| Compatibility | Designed for use with HORIBA LAQUA DO meters (e.g., LAQUA twin, LAQUA DO-110/210 series) |
| Calibration | Two-point (zero O₂ and air-saturated water) or single-point (air-saturation) |
| Response Time (t₉₀) | < 30 s in stirred water |
| Membrane | Replaceable Teflon® (PTFE) cap |
| Electrolyte | KCl-based aqueous electrolyte |
| Storage Condition | Wet storage in DO electrode storage solution or saturated KCl solution |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | 9520-10D |
| Cable Length | 1 m |
| Operating Temperature Range | 0–45 °C |
| IP Rating | IP67 (per electrode housing specification) |
| Compatible With | HORIBA DO meters (e.g., D-55, LAQUA DO series) |
| Electrode Type | Clark-type polarographic membrane electrode |
| Replacement Module | 7541 (for 9520-series) |
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