Alat Lab Spectrophotometer UV/ Vis Shimadzu Murah

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Item UVmini-1240 Spectrum bandwidth 5nm Wavelength range 190.0~ 1100.0nm Display wavelength Selectable wavelength 0.1nm step 0.1nm step ( 1nm step in spectrum mode) Wavelength accuracy ± 1.0nm Wavelength repeatability ± 0.3nm Scan speed wavelength change: approximately 3800nm/ min. Scan: approximately 24~ 1400nm/ min Light source change Selectable from following 3 types; • Auto change with wavelength Selectable wavelength295nm~ 364nm : 1nm interval Recommended wavelength: 340nm • Halogen lamp ( WI) only • Deuterium ( D2) lamp only Stray light less than 0.05% ( 220.0nm NaI, 340.0nm NaNO2 & UV-39) Measurement method Single beam measurement Photometric range Absorbance: -0.3~ 3.0 Abs Transmittance: 0.0~ 200% Recording range Absorbance: -3.99~ 3.99 Abs Transmittance: -399~ 399% Photometric accuracy Photometric repeatability ± 0.002 Abs ( at 1.0 Abs) Baseline stability less than ± 0.001 Abs/ h ( after 2 hr warm-up) Baseline flatness less than ± 0.010 Abs ( after 1 hr warm-up, at 1100~ 200nm) Noise level less than 0.002 Abs, Peak to Peak less than 0.0005 Abs, RMS Baseline correction Auto correction with the computer memory Light source 20W Halogen lamp ( long-life 2000 hours) Deuterium lamp ( socket type) Auto adjustment for maximum sensitivity Monochromator Incorporates aberration-correcting concave blazed holographic grating Detector Silicon photodiode Sample compartment Interior dimensions W110.0 X D230.0 X H105.0mm ( partial depth: 155.0mm) 2 screw port for option accessory installation Display 6 inch LCD ( 320 X 240 dot) with CFD lighting with contrast adjustment Power supply 100~ 120V 50/ 60Hz 160VA 220~ 240V 50/ 60Hz 160VA Dimensions W416 X D379 X H274mm Weight 11kg Ambient temperature 15~ 35° C Ambient humidity 5~ 80% , less than 70% if over 30° C
atomic absorption spectrometer