UV-VIS Spectrophotometer

Wavelength Range

190.0~1100.0nm

Display Wavelength

0.1nm step

Selectable Wavelength

0.1nm step (1 nm step in spectrum mode)

Scan Speed

Wavelength change: approximately 3800nm/min.

Scan: approximately 24~1400nm/min

Light source change

Selectable from the following 3 types:

         Auto change with wavelength

Selectable wavelength: 295nm~364nm: 1nm interval

Recommended wavelength : 340nm

         Halogen lamp only

         Deuterium (D2) lamp only

Measurement method

Single beam measurement

Light Source

Auto correction with the computer memory

20W Halogen lamp (long-life 2000 hours)

Deuterium lamp ( socket type)

Auto adjustment for maximum sensitivity

Monochromator

Incorporates aberration-correcting  concave blazed holographic grating

Detector

Silicon photodiode

Spectrum Bandwith

5nm

Wavelength Accuracy

+  1.0nm

Wavelength repeatability

+  0.3nm

Stray Light

 Less than 0.05%

(220.0nm Nal, 340.0nm NaNO₂ & UV₃₉)

Photometric Range

Absorbance: -0.3~3.0 Abs

Transmittance: 0.0~200%

Recording Range

Absorbance: -3.99~3.99 Abs

Transmittance: -399~399%

Photometric accuracy

+ 0.005 Abs (at 1.0 Abs)

+ 0.003 Abs (at 0.5 Abs)

Photometric repeatability

+ 0.002 Abs (at 1.0 Abs)

Drift

less than + 0.001Abs/h (after 2hr warm up)

Baseline Flatness

+ 0.010 Abs (after 1 hr warm-up, at 1100~200nm

Noise

less than 0.002 Abs, Peak to Peak

less than 0.0005Abs. RMS

Sample Compartment

Interior dimensions W110.0xD230.0xH105.0nm

(Partial Depth: 155.0nm)

2-screw port for optional accessory  installation

Display

6-inch LCD (320 x 240 dot) with CFD lighting with contrast adjustment   

Power Supply

100~120V 50/60Hz 160VA

220~240V 50/60Hz 160VA

Dimensions

W416 x D379 x H274nm

Weight

11kg

Ambient Temperature

15~35C

Ambient Humidity

45~80%, less than 70% if over 30C