Abbreviations - Technical Data - Aqualytic AL 255T IR Mode D'emploi

Abbreviations – Technical Data
GB
Abbreviation
NTU
FTU
FNU
FAU
Technical Data
Light source:
Principle:
Range:
Resolution:
Accuracy:
Repeatability:
Auto-OFF:
Ambient conditions: 5 – 40 °C
Interface:
Data transmission:
Data storage:
Battery:
CE:
To ensure maximum accuracy of test results, always use the reagent systems supplied by
the instrument manufacturer.
Subject to technical modification!
FNU is applicable to "Non Ratio" instruments.
1)
AL 255T IR USB_3 02/2019
Definition
Nephelometric Turbidity Unit
Formazine Turbidity Unit
Formazine Nephelometric Unit
Formazine Attenuation Unit
LED, Filter ( = 860 nm)
1
Nephelometric (Non Ratio)
0.01 – 1100 NTU
1)
0.01 – 9.99 NTU = 0.01 NTU
10.0 – 99.9 NTU = 0.1 NTU
100 – 1100 NTU =
± 2.5 % of reading, or ± 0.01 NTU, whichever is bigger,
in the range of 0.01 - 500 NTU ;
± 5 % of reading in the range of 500 - 1000 NTU
± 1 % of reading or ± 0.01 NTU which ever is greater
Automatic switch off 10 minutes after last keypress
30 – 90 % rel. humidity (non-condensing)
Micro USB
CSV format
125 data records
9 V-block battery (Life approx. 550 tests without PC connection)
Certificate for Declaration of CE-Conformity
at www.aqualytic.de
1 NTU
47