Spectrophotometers Evolution Series

Evolution One

Evolution One Plus

Evolution Pro

Optical design

Double beam

Spectral bandwidth

1.0 nm

1.0 nm; 2.0 nm

0.5 nm; 1.0 nm; 1.5 nm; 2.0 nm; 4.0 nm

Source

xenon

Detector

Dual silicon photodiode

Spectral range

190 -1100 nm

Wavelength accuracy

0.8 nm full range

0.3 nm

Wavelength repeatability

≤ 0.05 nm

< 0.05 nm

Scan speed

< 1 to 6000 nm/min

Till 6000 nm/min

Data interval

0.1; 0.2; 0.5; 1; 2; 5; 10 nm

0.05; 0.1; 0.2; 0.5; 1; 2; 5; 10 nm

Photometric range

>3.5 А

> 4А

Photometric accuracy

± 0.004 А at 1 А; ± 0.008 А at 2 А

± 0.004 А at 1 А;
± 0.004 А at 2 А;
± 0.006 А at 3 А

Photometric accuracy

± 0.0002 А

± 0.0025 А

Photometric noise

≤ 0.00015 А at 0А; ≤0.00010 at 1А; ≤0.00025 at 2А

< 0.00018 А at 0А; <0.00022 at 1А; <0.00050 at 2А

Drift

< 0.0005 А/hour

Stray light

≤ 1%Т at 198 nm; ≤ 0.05%T at 220 nm;
< 0.05%T at 340 nm

2.4 A at 198 nm;
3.5 А at 220 nm;
4.0 А at 340 nm

Baseline flatness

± 0.0006 А

± 0.0015 А