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| Brand | Bigdipper |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | HBD5-Turb4210_90D |
| Price Range | USD 1,400–2,800 |
| Type | Portable |
| Measurement Range | 0–2000 FNU |
| Resolution | 1.0 FNU |
| Operating Temperature | −30 °C to +70 °C |
| Accuracy | ±2.0% of reading |
| Detection Principle | 90° Nephelometric Scattering (ISO 7027-compliant) |
| Display | 2×16 LCD |
| Keypad | 4×5 membrane keypad |
| Response Time | <1 ms |
| Power Supply | Rechargeable 9 V battery or external DC 9 V adapter |
| Battery Life | >10 hours continuous operation |
| Dimensions (H×W×D) | 180 mm × 98 mm × 35 mm |
| IP Rating | IP68 (fully submersible sensor probe) |
| Probe Interface | ZG1″ (BSPP) threaded fitting for in-line pipe insertion |
| Sample Compatibility | Clear to moderately turbid aqueous samples |
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