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% |