Specifications - 2020e and 2020i
Instrument Type: Nephelometer
Standard: EPA 180.1, 2020e
ISO7027, 2020i
Units of Measure
& Range:
NTU (Nephelometric Turbidity Units) 0-2000
FNU (Formazin Nephelometric Units) 0-2000
ASBC (American Society of Brewing Chemists) 0-3500
EBC (European Brewery Convention) 0-500
FAU (Formazin Attenuation Unit) 40-4000
Resolution: (display) 0.01 NTU, 0–10.99 NTU Range
0.1 NTU, 11–109.99 NTU Range
1 NTU, 110–4000 NTU Range
Accuracy: ±0.05 or ±2% of reading, whichever is greater,
below 100 NTU
±3% of reading, above 100 NTU
Detection Limit: 0.05 NTU
Light Source 2020e: Tungsten lamp 2300°C±50°C
Light Source 2020i: IR LED 860 nm ±10 nm, spetral bandwidth 50 nm
Detector 2020e: Photodiode, centered at 90°, maximum peak 550 nm
Detector 2020i: Photodiode, centered at 90°
Stabilization: Automatic Light Source
Response Time: <5 seconds
Sample: 10 mL in capped tube
Software: Data Logging: 4004 points
Auto Shut-off: 5, 10, 30 min, disabled
Calibration: Field adjustable, blank & 1 point
Languages: English, French, Spanish, Japanese (Kana), Portuguese, Italian
Temperature: Operation: 0–50 °C; Storage: -40–60 °C
Humidity: Operation: 0–90 % RH, non-condensing
Power Source*: Battery Operation: 9 volt alkaline
Line Operation: Input: 100-240VAC/50-60Hz with imbedded
IECsocket(2pin)
Output: 9VDC REG 1.2A with 2.1 x 5.5 mm output plug
center positive
Battery Life: >250 tests, 2020e, >2500 tests, 2020i
(with signal averaging disabled)
Dimensions: (L x Wx H) 8.5 x 16.2 x 6.7 cm; 3.4 x 6.4 x 2.6 inches
Weight: 339 g, 12 oz (meter only)
Serial Interface: RS232, 8 pin mDIN, 9600b, 8, 1, n
*CE Mark: The device complies to the product specifications for the Low Voltage
Directive when furnished with the 100-240V AC Adapter (Code 1754).
40 SPECIFICATIONS
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