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| Brand | Youyunpu |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | YP-S60 |
| Price | USD 1,200 (FOB Qingdao) |
| Measurement Principle | Spectrophotometry (Visible Light Absorption, 420–680 nm) |
| Measurable Parameters | pH, Dissolved Oxygen (DO), Ammonia-Nitrogen (NH₃-N), Nitrite (NO₂⁻), Hydrogen Sulfide (H₂S), Total Alkalinity, Phosphate (PO₄³⁻), Total Hardness, Free Chlorine, Temperature, Salinity |
| Resolution | 0.001 unit (pH, DO, Cl₂, etc.) |
| Optical Source | Imported Cold LED Light Source (Lifetime ≥ 100,000 h) |
| Power Supply | Rechargeable Li-ion Battery (DC 7.4 V, 4400 mAh) + AC Adapter (100–240 V, 50/60 Hz) |
| Operating Environment | 0–50 °C, RH ≤ 90% non-condensing |
| Compliance | ISO 7027 (turbidity reference), ASTM D1293 (pH), ASTM D888 (DO), EPA 365.3 (phosphate), EPA 350.1 (ammonia), USP <643> (conductivity-related calibration traceability) |
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