7. Instrument Features
124 Instructions for Use for infinite® 200 No. 30017581 Rev. No. 1.4 2008-07
7.10 Cuvette Measurements (infinite
®
M200 only)
Note
The option ‘Cuvette’ is only available for the infinite
®
M200. This module
cannot be installed on a infinite
®
F200.
The cuvette option allows performing absorbance measurement in fixed
wavelength and scan mode.
Parameters Characteristics
Wavelength Range 230 – 1000 nm
no filter necessary, selection in 1 nm steps possible
Measurement Range 0 – 3 OD
The following specifications are valid for the wavelength range from 300 –
700 nm, number of flashes 25:
Cuvette types 12.5 x 12.5 mm, maximum height 55 mm
(including lid); micro cuvettes: center
height 15 mm, measurement window >
2 mm (diameter).
Accuracy 0 – 2 OD
< ± (1 % + 10 mOD)
Accuracy 2 – 3 OD
< ± 2.5 %
Uniformity at 1 OD < 3 % CV
Reproducibility 0 – 2 OD
< ± (1 % + 10 mOD)
Reproducibility 2 – 3 OD
< ± 2.5 %
Linearity 0 – 2 OD R
2
> 0.998
Baseline Flatness
± 10 mOD (1 sigma)
STOP
Caution
The cuvette port of infinite
®
M200 cannot be used for cuvettes
with a measurement window < 2 mm (diameter)
and a center height below 15 mm.
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