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

Shimadzu Europa GmbH www.shimadzu.de Albert-Hahn-Str.6-10 47269 Duisburg Specification Sheet: SPD-20A/AV UV/VIS Detector (2/3) Cell temperature input range 9 – 50°C, at 1°C steps Cell inlet, outlet tubing diameter SUS316L tubing O.D. 0.8 mm x I.D. 0.25 mm Selectable, two wavelengths in 190 - 370 nm or 371 - 700 nm range Selectable, two wavelengths in 190 - 370 nm, 371 - 700 nm or 701 - 900 nm range Dual wavelength mode Sampling frequency 1.2 sec for one wavelength Response 11 steps selectable (corresponding to time constant 0.02, 0.05, 0.1, 0.5, 1.0, 1.5, 2.0, 3.0, 6.0, 8.0, 10.0 sec) Range 0.0001...

Shimadzu Europa GmbH www.shimadzu.de Albert-Hahn-Str.6-10 47269 Duisburg Specification Sheet: SPD-20A/AV UV/VIS Detector (3/3) Lamp hour meter Record up to 9999.9 hours Wetted surface material SUS316L, PFA, quartz Operating temperature range 4 - 35°C Power requirements 100/120/220-230 V AC, 160 VA, 50/60 Hz Dimensions W 260 x H 140 x D 420 mm Weight: 13 kg