4040+e_22.docx / 06.10.17
ROBERT RIELE GmbH & Co KG
Page 70
B.3
Specified measuring range
Outside the specified measuring range and under rated operating conditions other than those
stated in section B.4, the maximum permissible errors given in section B.5 can be exceeded.
B.3.1
Spectral absorbance A(
):
0 A to 2.5 A
B.3.2
Wavelength
useable for measurements:
340 nm to 730 nm
B.4
Specified Operation conditions
B.4.1
Spectral transmittance of the cuvette:
>
75 %
B.4.2
Warm-up time:
15 min
Warm-up time with tempering switched on:
20 min
B.4.3
Operating voltage [mains]:
between 100 V
AC
and 240 V
AC
at 50/60 Hz
with a tolerance of 10 %
B.4.4
Ambient temperature:
15 °C to 35 °C
B.4.5
Sound pressure level SPL
< 50 dB
B.5
Maximum permissible errors and other limiting values
B.5.1
Photometric uncertainty of the spectral absorbance:
max
3 %
B.5.2
Photometric short-time variation coefficient:
1 %
B.5.3
Uncertainty of wavelengths:
max
2 nm
B.5.4
Spectral half-width of spectral radiation flux at
detector:
10 nm
B.5.5
Percentage of wavelength integrated false
radiation (measured at 340 nm as transmittance
of a cut-off filter NaNO
3
):
0.1 %
B.5.6
Uncertainty of temperature regulation:
0.2 °C
Measuring point:
cuvette in measuring position
OPTIC CONSTRUCTION
The optical path in the visible range is directed from the front to the back of the device. Insert standard
cuvette accordingly.
LED
Cuvette
Filter Lense
Photodiode
The optical path in the UV range is directed from the back to the front of the device. Insert standard cuvette
accordingly.
LED Lense
Cuvette Filter Lense
Photodiode
