UV-1801 ultraviolet/visible spectrophotometerDetailed product description：

Technical specifications and basic parameters of UV-1801 ultraviolet/visible spectrophotometer

Wavelength range: 190-1100nm
Spectral bandwidth: 2.0nm (5nm, 1nm optional)
Wavelength accuracy: ± 0.5nm
Wavelength reproducibility: ≤ 0.2nm
Transmittance accuracy: ± 0.3% τ (0-100% τ)
±0.002A(0～0.5A)
±0.004A(0.5A～1A) 
Transmission density repeatability: ≤ 0.15% τ
Measurement methods: transmittance, absorbance, concentration, energy
Luminous range: -0.3 to 3A
Stray light: ≤ 0.05% τ (220nm NaI solution, 340nm NaNO2)
Baseline straightness: ± 0.002A
Stability: ≤ 0.002A/h (after preheating at 500nm)
Noise: ± 0.001A (after preheating at 500nm)
Display mode: Six inch high brightness blue LCD screen
Detector: Imported silicon photodiode
Light source: imported deuterium lamp, imported tungsten lamp
Power supply: AC: 220V/50Hz 110V/60Hz
Power: 140W
Instrument size: 530 × 420 × 205mm
Net weight of the host: 18Kg