Turbidity Specifications: |
Mode | Ratiometric | Nephelometric | Attenuation |
Unit of Measure 2020t | NTRU, NTU, ASBC, EBC | NTU, ASBC, EBC | AU, NTU, ASBC, EBC |
Unit of Measure 2020I | FNRU, NTU, ASBC, EBC | FNU, NTU, ASBC, EBC | FAU, NTU, ASBC, EBC |
Range | 0-1,000 NTRU/FNRU 0-17,500 ASBC 0-250 EBC | 0-100 NTU/FNU 0-1,750 ASBC 0-25 EBC | 0-2,000 AU/FAU 0-35,000 ASBC, 0-500 EBC |
Resolution | 0–10.99 NTRU/FNRU: 0.01 11.0–109.9 NTRU/FNRU: 0.1 110–1000 NTRU/FNRU: 1 | 0–10.99 NTU/FNU: 0.01 11.0–100.0 NTU/FNU: 0.1 | 0–2000 AU/FAU: 1 |
Accuracy | 0-2.5 NTRU/FNRU: ±0.05 2.5-100 NTRU/FNRU: ±2% 100-1000 NTRU/FNRU: ±3% | 0-2.5 NTU/FNU: ±0.05 2.5-100 NTU/FNU: ±2% | 0-2000 AU/FAU: ±10 AU/FAU or 6%, whichever is greater |
Detection Limit | 0.05 NTRU/FNRU | 0.05 NTU/FNU | 10 AU/FAU |
Reproducibility | 0.02 NTRU/FNRU or 1% | 0.02 NTU/FNU or 1% | 1% |
Range Selection | Automatic |
Light Source | 2020t: Tungsten lamp 2300 °K ±50 °K 2020i: IR LED 860 nm ±10 nm, spectral bandwidth with 50 nm |
Detector | 2020t: Photodiode, centered at 90° and 180°, maximum peak 400-600 nm 2020i: Photodiode, centered at 90° and 180° |