Abbreviations - Technical Data - Lovibond TurbiCheck Mode D'emploi

Abbreviations – Technical Data
GB
Abbreviation
NTU
FTU
FNU
FAU
Technical Data
Light source:
Principle:
Range:
Resolution:
Accuracy:
Repeatability:
Battery:
Auto-OFF:
Ambient conditions: 5 – 40 °C
CE:
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.
TurbiCheck_1b 01/2011
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 from 0.01 to 500 NTU
± 5 % of reading from 500 to 1100 NTU
± 1 % of reading or ± 0.01 NTU which ever is greater
9 V-block battery (Life approx. 600 tests, without display light)
Automatic switch off 10 minutes after last keypress
30 – 90 % rel. humidity (non-condensing)
Certificate for Declaration of CE-Conformity
at www.lovibond.com
1 NTU
43