LaMotte® Model 2020i Ratiometric Turbidity Meter
- Measures 0-40 NTU/FNU, ratiometric mode 40-1000 NTRU/FNRU and 1000-2000 AU
- Meets criteria for quantitative methods of turbidity as specified by ISO 7027
Description
LaMotte Ratiometric Turbidity Meter Model 2020i
Thanks to the infrared lamp in this meter, it is ideal for environmental analysis. The multi-detector optical configuration assures long-term stability and minimizes stray light and color interference. The new ratiometric design allows for easy and accurate testing. The nephelometric mode measures 0-40 NTU/FNU, ratiometric mode 40-1000 NTRU/FNRU and 1000-2000 AU. Now pinpoint the range of interest with better, more reliable results. Ideally suited for low-level drinking water applications, mid-range industrial applications, and high-range environmental applications. Other features include: seven user selected languages – English, Spanish, French, Japanese, Chinese, Italian, and Portuguese; advanced calibration algorithms; easy menu driven operation and large, backlit, LCD display; a 500 point data log (stored results can be viewed directly on instrument); waterproof to IP67; a Lithium ion rechargeable battery; and a USB port. Meets design criteria for quantitative methods of turbidity using optical turbidimeters as specified by ISO 7027. Kit is supplied with 0, 10, 100 FNU (Code 1974-I), sample bottle, six sample tubes, USB cable and wall adapter—all in a sturdy carrying case.
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Quick Specs
| Brand | LaMotte |
| MPN | 1974-i |
| UPC | 63739547077 |
| UNSPSC | 41112500 |
| Made In | United States |
| Other |
Unit of Measure
Ratiometric: FNRU, NTU, ASBC, EBC
Nephelometric: FNU, NTU, ASBC, EBC
Attenuation: FAU, NTU, ASBC, EBC.
Range
Ratiometric: 0-1,000 FNRU; 0-17,500 ASBC; 0-250 EBC
Nephelometric: 0-100 FNU; 0-1,750 ASBC; 0-25 EBC
Attenuation: 0-2,000 FAU; 0-35,000 ASBC; 0-500 EBC.
Resolution
Ratiometric: 0–10.99 FNRU, 0.01; 11.0–109.9 FNRU, 0.1; 110–1000 FNRU, 1
Nephelometric: 0–10.99 FNU, 0.01; 11.0–100.0 FNU, 0.1
Attenuation: 0–2000 FAU, 1
Accuracy
Ratiometric: 0-2.5 FNRU, ±0.05; 2.5-100 FNRU, ±2%; 100-1000 FNRU, ±3%
Nephelometric: 0-2.5 FNU, ±0.05; 2.5-100 FNU, ±2%
Attenuation: 0-2000 FAU, ±10 FAU or 6%, whichever is greater.
Detection Limit – Ratiometric: 0.05 FNRU
Nephelometric: 0.05 FNU
Attenuation: 10 FAU
Reproducibility
Ratiometric: 0.02 FNRU or 1%
Nephelometric: 0.02 FNU or 1%
Attenuation: 1%.
Range Selection
Automatic.
Light Source
IR LED 860 nm ±10 nm, spectral bandwidth with 50 nm.
Detector
Photodiode, centered at 90° and 180°
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Quick Specs
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