UV-Vis Spectrophotometer

Optical System

Rowland off-circle arrangement
Single monochromator
Double beam type

Light source

Halogen lamp, Deuterium lamp

Wavelength range

190 to 1100 nm

Wavelength accuracy

+/-0.2 nm (at 656.1 nm)

Wavelength repeatability

+/-0.1 nm

Spectral bandwidth (SBW)

1 nm

Stray light

1 % (198 nm KCL 12 g/L aqueous solution)
0.02 % (220 nm NaI 10 g/L aqueous solution)
0.02 % (340 nm NaNO2 50 g/L aqueous solution)
0.02 % (370 nm NaNO2 50 g/L aqueous solution)
SBW: 1 nm

Photometric range

-3~3 Abs

Photometric accuracy

+/-0.0015 Abs (0 to 0.5 Abs)
+/-0.0025 Abs (0.5 to 1 Abs)
+/-0.3 %T Tested
with NIST SRM 930D

Photometric repeatability

+/-0.0005 Abs (0 to 0.5 Abs)
+/-0.0005 Abs (0.5 to 1 Abs)
Tested with NIST SRM 930D

Scanning speed

10-8000 nm/min

Slew speed

24,000 nm/min

RMS noise

0.00004 Abs 
(0 Abs, wavelength: 500 nm, measurement time: 60 sec, SBW: 1 nm)

Baseline stability

0.0004 Abs/hour
(Value obtained more than one hour after turning on the source, 
when the room temperature is stabilized, wavelength: 250 nm, 
response: slow)

Baseline flatness

+/-0.0005 Abs (200 - 1000 nm)

Detector

Silicon photodiode

Standard functions

IQ accessories, Start button, Analog output

Standard programs

Abs/%T meter, Quantitative analysis, Spectrum measurement, 
Time course measurement, Fixed wavelength measurement, Validation, 
Daily maintenance, 
Two wavelength time course measurement

Dimensions and weight

486(W) x 441(D) x 216(H) mm, 15 kg

Power requirements

120 VA

Installation requirements

Room temperature: 15-30 Celsius, humidity: below 85%