Model |
UV-690 |
wavelength coverage |
190-900nm |
spectral bandwidth |
0.1nm/0.2nm/0.5nm/1.0nm/2.0nm/4.0nm adjustable |
optical system |
The main monochromator 1800pieces/mm |
wavelength accuracy |
±0.3nm |
wavelength repeatability |
≤0.1nm |
photometric accuracy |
±0.002A(0-0.5A);±0.004A(0.5-1A);±0.3%T(0-100%T) |
Photometric repetitive |
≤0.001A(0-0.5A);≤0.002A(0.5-1A);≤0.15%T(0-100%T) |
stray light |
≤0.0003%T(220nm,360nm) |
Photometric range |
-5~ 5A, 0-200%T.0-9999C |
baseline drift |
±0.0003A/h (500nmAfter preheating) |
baseline flatness |
±0.001A |
Noise level |
0.0002Abs(500nm) |
Working method |
A, T, C, E |
light source |
Import long life deuterium lamp,tungsten lamp |
Detector |
Import photomultiplier |
Display method |
PC on-line mode |
data output |
USB Standard data output ,Parallel print output |
power supply |
AC 220V/50Hz or AC 110V/60Hz |
Dimension |
600 x 480 x 260mm |
Weight |
34kg |