SPD-20A / SPD-20AV UV/VIS Detector0 pages

Shimadzu Europa GmbH www.shimadzu.de
Albert-Hahn-Str.6-10
47269 Duisburg
Specification Sheet
SPD-20A / SPD-20AV
UV/VIS Detector
SPD-20A SPD-20AV
Deuterium lamp Deuterium lamp, tungsten
lamp,
Light source
mercury lamp (for wavelength accuracy check)
Wavelength range 190 – 700 nm
Cut-off filter to eliminate
second-order diffraction is
automatically activated for
371 - 700 nm range
190 – 900 nm
190 – 370 nm (D2 lamp)
371 – 900 nm (W lamp)
Cut-off filter to eliminate
second-order diffraction is
automatically activated for
701 - 900 nm range
Spectral bandwidth 8 nm
Wavelength accuracy ± 1 nm
Wavelength
reproducibility
± 0.1 nm *1
Drift 1x10-4 AU/h max.
(250 nm, room temperature
constant, air in cell)
3x10-4 AU/h max.
(250 nm, room temperature
fluctuation less than 2°C,
air in cell)
1x10-4 AU/h max.
(250 nm, 600 nm, room
temperature constant, air in
cell)
3x10-4 AU/h max.
(250 nm, 600 nm, room
temperature fluctuation less
than 2°C, air in cell)
Noise Level ± 0.25x10-5 AU max.
(250 nm, air in the cell,
equivalent to 2 sec time
constant *2)
± 0.25x10-5 AU max.
(250 nm, 600 nm, air in the
cell, equivalent to 2 sec
time constant *2)
Cell path length 10 mm
Cell volume 12 ìL
Cell pressure tolerance 12 MPa
*1 Reproducibility when the wavelength is changed after turning the power ON in single
wavelength mode
*2 In single wavelength mode