LaMotte 2020wi Portable Turbidity Meters User Manual
Page 6
LIMITS OF LIABILITY
Under no circumstances shall LaMotte Company be liable for loss of life,
property, profi ts, or other damages incurred through the use or misuse
of their products.
SPECIFICATIONS - 2020we/wi
Instrument Type: Nephelometer
Standard:
EPA 180.1, 2020we; ISO 7027, 2020wi
Units of Measure: NTU (Nephelometric Turbidity Units) (2020we only)
FNU (Formazin Nephelometric Units) (2020wi only)
ASBC (American Society of Brewing Chemists)
EBC (European Brewery Convention)
Range:
0-4000 NTU, 0-4000 FNU,
0-10,500 ASBC, 0-150 EBC
Range Selection: Automatic
Resolution:
(display)
0.01 NTU/FNU, 0–10.99 NTU/FNU Range
0.1 NTU/FNU, 11.0–109.9 NTU/FNU Range
1 NTU/FNU, 110–4000 NTU/FNU Range
Accuracy:
From 0-2.5 NTU/FNU the accuracy is ±0.05 NTU/
FNU. From 2.5-100 NTU/FNU the accuracy is ±2%.
Above 100 NTU/FNU the accuracy is ±3%.
Detection Limit:
0.05 NTU/FNU
Light Source:
Tungsten lamp 2300°C ±50 °C, 2020we; IR LED
850 nm ±10 nm, spectral bandwidth 50 nm,
2020wi
Detector
Photodiode, centered at 90°, maximum peak 400-
600 nm, 2020we
Photodiode, centered at 90°, 2020wi
Response Time:
<2 seconds
Signal
Averaging:
Yes
Sample
Chamber:
Accepts 25 mm fl at-bottomed test tubes
Sample:
10 mL in capped tube
Display:
Graphic Liquid Crystal Display
Software:
Auto Shut-off: 5, 10, 30 min, disabled
Calibration: Field adjustable, blank and 1 point
Data Logging: 500 points
Languages:
English, Spanish, French, Portuguese, Italian,
Chinese, Japanese (Kana)
Temperature:
Operation: 0–50 °C; Storage: -40–60 °C
6