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| Brand | Hach |
|---|---|
| Origin | USA |
| Model | HQ1130 |
| Instrument Type | Portable |
| Measurement Principle | Polarographic Electrochemical Probe |
| Range | 0.1–20.0 mg/L (ppm), 1–200% Saturation |
| Accuracy | ±0.1 mg/L |
| Ingress Protection | IP67 |
| Data Storage | Up to 10,000 Records |
| Compliance | GLP-Compliant Logging, ASTM D888, ISO 5814, USP <643>, EPA Method 4500-O G |
| Brand | Hanna |
|---|---|
| Origin | Italy |
| Model | HI9147 |
| Instrument Type | Portable |
| Measurement Principle | Galvanic Cell Electrochemical Probe |
| DO Range | 0.0 to 50.0 mg/L (ppm) |
| Saturation | 0 to 600% |
| Accuracy | ±1% of reading |
| Resolution | 0.1 mg/L (DO), 1% (saturation) |
| Temperature Range | 0.0 to 50.0 °C |
| Temp. Accuracy | ±0.2 °C |
| Altitude Compensation | 0 to 4000 m |
| Salinity Compensation | 0 to 51 g/L |
| Electrode | HI76409 galvanic DO probe with integrated temperature sensor, 4/10/15 m cable options |
| Power | 3 × 1.5 V AAA batteries |
| IP Rating | IP67 |
| Dimensions | 185 × 72 × 36 mm |
| Weight | 450 g |
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