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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 |