Kokuritsu
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| Brand | Kokuritsu |
|---|---|
| Origin | Japan |
| Model | WAS-E / WAS-D1 / WAS-D2 / WAS-G1 / WAS-G2 |
| Instrument Type | Portable, Handheld Water Quality Analyzer |
| Measurable Parameters | pH (2.0–12.0), Conductivity (indirect via TDS/hardness), Total Hardness (0–500 mg/L as CaCO₃), Dissolved Oxygen (1–10 mg/L), COD (0–100 mg/L), NH₃-N (0.2–10 mg/L), NO₂⁻-N (0.006–1 mg/L), NO₃⁻-N (0.23–45 mg/L), PO₄³⁻ (0.05–10 mg/L), S²⁻/H₂S (0.1–5 mg/L), Cr⁶⁺ (0.05–2 mg/L), Cu (0.5–10 mg/L), Zn (0–10 mg/L), Fe (0.05–10 mg/L), Free Chlorine (0.1–5 mg/L), Free Cyanide (0.02–2 mg/L), Turbidity (1–5 NTU per JIS), Color (2–10 Hazen units per JIS), Temperature (0–50 °C), Transparency (0–30 cm), KMnO₄ Consumption (0–15 mg/L), E. coli & Total Bacterial Count (qualitative presence/absence ≥1 CFU/mL) |
| Compliance | JIS K 0102, JIS K 0109, JIS K 0117, JIS K 0120, JIS K 0121 |