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| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | B-712 |
| Measurement Principle | Glass Electrode Method |
| pH Range | 2.0–12.0 |
| Accuracy | ±0.1 pH (after calibration, using standard buffer solutions) |
| Calibration | 1-point or 2-point automatic calibration |
| Minimum Sample Volume | 0.05 mL (with optional sampling film B) or ≥0.1 mL |
| Temperature Compensation | Automatic (ATC) |
| Auto-Hold Function | Yes |
| Ingress Protection | IP67 (1 m submersion for 30 min |
| Operating Environment | 5–40 °C, ≤85% RH (non-condensing) |
| Power Supply | Two CR2032 lithium batteries |
| Dimensions (L×W×H) | 164 × 29 × 20 mm (excl. protrusions) |
| Weight | Approx. 50 g (instrument only, excl. batteries) |
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