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| Origin | Japan |
|---|---|
| Type | Imported Instrument |
| Model | CS-131 / CS-131C (with integrated cooler) |
| Measurement Principle | UV-Vis Absorption Spectrophotometry |
| Analyte | SC-1 solution (NH₃ / H₂O₂ / H₂O) |
| Response Time | ≈2 s (excluding fluid exchange & cooling time) |
| NH₃ Range Options | 0.00–1.00%, 0.00–3.00%, or 0.00–5.00% w/w |
| H₂O₂ Range Options | 0.00–5.00%, 0.00–7.00%, or 0.00–10.00% w/w |
| H₂O Range | 85.0–100.0% w/w |
| Repeatability | NH₃ ±0.15–±0.25%, H₂O₂ ±0.3%, H₂O ±1.5% |
| Operating Temp. | CS-131: 20–30°C |
| CS-131C | 20–80°C |
| Flow Rate | CS-131: 20–60 mL/min |
| CS-131C | 20–40 mL/min |
| Pressure | 0.10–0.20 MPa |
| Power Supply | DC 24 V ±10%, 2 A |
| Output Interfaces | RS-232C, 4–20 mA (dual-channel), open-collector digital outputs, opto-isolated parallel inputs |
| Dimensions (W×D×H) | CS-131: 205 × 329 × 269 mm |
| CS-131C | 291 × 329 × 269 mm |
| Weight | CS-131: ~11 kg |
| CS-131C | ~12 kg |
| Tubing | 3 mm OD / 2 mm ID (Nippon Pillar Super fittings) |
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