Visible UV-Vis Spectrophotometer with Thermostat battery photomultiplier tube

Optical system

Double beam 

Scan speed

Selectable 

Wavelength range

190-900nm

Wavelength accuracy

+0.3nm

Wavelength reproducibility

≤0.1nm

Spectral bandwidth

Continuous slit 0.1- 5.0nm with 0.1nm interval

Photometric mode

Transmittance, Absorbance, Energy Concentration, all using UVWin software

Photometric range

-4.0-4.0Abs

Photometric accuracy

0.002A (0-0.5A), 0.004A (0.5-1A), 0.3%T (0-100%T)

Photometric reproducibility

0.001A(0-0.5A)

Photometric noise

0.0004A(500nm) 30min warm-up

Baseline flatness

0.001A(200-850nm)

Baseline stability

0.0008A/h (500nm, 0Abs), 2hr warm-up

Stray light

≤0.01%T(220nm NaI, 340nm NaNO2)

Standard functionality

No stand alone function

Cell holder

Fixed position sample and reference

Detector 

Photo multiplier tube

Light source

Tungsten Halogen and Deuterium arc lamps

Display 

No display

Printer