| Optical System |
Czerny-Turner mount
Double monochromator
Fully symmetrical double beam type |
| Light Source |
Halogen lamp, Deuterium lamp |
| Wavelength range |
187 to 900 nm |
| Wavelength accuracy |
+/-0.1 nm (at 656.1 nm) |
| Wavelength repeatability |
+/-0.05 nm |
| Spectral bandwidth (SBW) |
0.1, 0.2, 0.5, 1, 5, 2, 10 nm
L2, L5, L10 nm (low stray light mode)
M1, M2 nm (micro cell mode) |
| Stray light |
1 % (198 nm KCL 12 g/L aqueous solution)
0.00008 % (220 nm NaI 10 g/L aqueous solution)
0.00008 % (340 nm NaNO2 50 g/L aqueous solution)
0.00008 % (370 nm NaNO2 50 g/L aqueous solution)
SBW: L2 nm |
| Photometric range |
-4~6 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 |
10~4000 nm/min (8000 nm/min in preview mode) |
| Slew speed |
12,000 nm/min |
| RMS noise |
0.00003 Abs
(0 Abs, wavelength: 500 nm, measurement time: 60 sec, SBW: 2 nm) |
| Baseline stability |
0.0003 Abs/hour
(Wavelength: 250 nm, response: slow
and SBW: 2 nm) |
| Baseline flatness |
+/-0.0003 Abs (200 - 800 nm) |
| Detector |
Photomultiplier tube |
| Standard functions |
IQ Accessory, Start Button, Analog output |
| Standard programs |
Abs/%T meter, Quantitative analysis, Spectrum measurement,
Time course measurement, Fixed wavelength measurement, Validation,
Daily Check
Two wavelength time course measurement |
| Dimensions and Weight |
460(W) x 602(D) x 268(H) mm, 29 kg |
| Power requirements |
150 VA |
| Installation requirements |
Room temperature: 15-30 Celsius, humidity: below 85% |