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| Brand | Hanna Instruments |
|---|---|
| Origin | Italy |
| Model | HI83300 |
| Measurement Principle | Dual-mode spectrophotometric and electrochemical detection |
| Total Parameters | >55 pre-programmed water quality methods |
| Wavelength Range | 380–760 nm (visible spectrum) |
| Optical System | Fixed-wavelength LED-based photometry with precision interference filters |
| Detector | Silicon photodiode |
| Resolution | Up to 0.001 mg/L (depending on parameter) |
| Accuracy | ±2–8% of reading + offset (method-specific, per ISO 8466-1 and ASTM D511/D129/D3370) |
| Operating Temperature | 10–40 °C |
| Power | Rechargeable Li-ion battery (up to 12 h continuous use) or AC adapter |
| Data Storage | 1000 measurement records with timestamp, sample ID, and operator ID |
| Connectivity | USB port for data export (CSV format), no Bluetooth/Wi-Fi |
| Compliance | CE, RoHS, ISO/IEC 17025 compatible operation |
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