Resolution
0–10.99 NTU/FNU: 0.01
NTU/FNU,
11.0–100.0 NTU/FNU: 0.1
NTU/FNU
Accuracy
0-2.5 NTU/FNU:
±0.05 NTU/FNU,
2.5-100 NTU/FNU: ±2%
Detection Limit
0.05 NTU/FNU
Reproducibility
0.02 NTU/FNU or 1%
Range Selection
Automatic
Light Source
2020t: Tungsten lamp 2300 °K ±50 °K, 2020i: IR LED 860 nm ±10 nm,
spectral bandwidth 50 nm
Detector
2020t: Photodiode, centered at 90° and 180°, maximum peak 400-600 nm
2020i: Photodiode, centered at 90° and 180°
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 with Backlight
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
Operation
0–90 % RH, non-condensing
Humidity Range:
Auto Shut-off :
5, 10, 30 min, disabled
Power Source:
USB wall adapter, USB computer connection or Lithium ion rechargeable
battery
Battery:
Charge Life: Approximately 380 tests with backlight on to 1000 tests with
backlight off . (Signal averaging disabled).
Battery Life: Approximately 500 charges.
Electrical Ratings:
Rated voltage (5V), Rated power of input current (1.0A) at mini-USB input
port
Data Logger:
500 test results stored
Waterproof:
IP67 with USB port plug in place.
Dimensions:
(W x L x H) 8.84 x 19.05 x 6.35 cm; 3.5 x 7.5 x 2.2 inches
0–10.99 NTRU/FNRU: 0.01
NTRU/FNRU, 11.0–109.9
NTRU/FNRU: 0.1 NTRU/
FNRU,
110–1000 NTRU/FNRU: 1
NTRU/FNRU
0-2.5 NTRU/FNRU:
±0.05 NTRU/FNRU,
2.5-100 NTRU/FNRU: ±2%,
100-1000 NTRU/FNRU:
±3%.
0.05 NTRU/FNRU
0.02 NTRU/FNRU or 1%
5
0–2000 AU/FAU:
1 AU/FAU
0-2000 AU/FAU:
±10 AU/FAU or 6%
whichever is greater
10 AU/FAU
1%