Aqualytic AL250T-IR, Instruction Manual

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AL250T IR_5 03/2018
Abbreviation Definition
NTU Nephelometric Turbidity Unit
FTU Formazine Turbidity Unit
FNU Formazine Nephelometric Unit
FAU Formazine Attenuation Unit
GB
Abbreviations – Technical Data
Technical Data
Light source: LED, Filter (
1
= 860 nm)
Principle: Nephelometric (Non Ratio)
Range: 0.01 – 1100 NTU 1)
Resolution: 0.01 – 9.99 NTU = 0.01 NTU
10.0 – 99.9 NTU = 0.1 NTU
100 – 1100 NTU = 1 NTU
Accuracy: ± 2.5 % of reading or ± 0.01 NTU from 0.01 to 500 NTU
± 5 % of reading from 500 to 1100 NTU
Repeatability: ± 1 % of reading or ± 0.01 NTU which ever is greater
Battery: 9 V-block battery (Life approx. 600 tests, without display light)
Auto-OFF: Automatic switch off 10 minutes after last keypress
Ambient conditions: 5–40°C
30–90%
rel. humidity (non-condensing)
CE: Certificate for Declaration of CE-Conformity
at www.aqualytic.de
To ensure maximum accuracy of test results, always use the reagent systems
supplied by the instrument manufacturer.
Subject to technical modification!
1) FNU is applicable to "Non Ratio" instruments.