Description
Dual beam, Czerny-Turner monochromator, 190–1100 nm wavelength range, approximately 1.5 nm fixed spectral bandwidth, full spectrum Xe pulse lamp single source with exceptionally long life, dual Si diode detectors, quartz overcoated optics, scan rates up to 24000 nm/min, 80 data points per s maximum measurement rate, non-measurement phase stepping wavelength drive, room light immunity, central control by PC with Microsoft Windows operating system.
Monochromator: Czerny-Turner
Grating: Holographic, 27.5 x 35 mm, 1200 lines/mm, blaze angle 8.6° at 240 nm
Beam splitting system: Beam splitter
Detectors: 2 silicon diode detectors
UV-Vis limiting resolution: ≤ 1.5 nm
Toluene/Hexane limiting resolution test: ≥ 1.65
Stray light (%T)
At 198 nm (12 g/L KCl, TGA and BP/EP method): ≤ 0.53%
At 220 nm (10 g/L NaI ASTM method): ≤ 0.02%
At 370 nm (50 mg/L NaNO2): ≤ 0.018%
Wavelength range: 190–1100 nm
Wavelength accuracy: ± 0.07 at 541.94 nm, ± 0.24 at 260.54 nm
Wavelength reproducibility: ± 0.01 nm
Photometric accuracy (Abs)
Using NIST 930D filters at 1 Abs: ± 0.0007
At 0.2, 0.5 and 0.75 Abs (14.2% w/v KNO3, TGA method): ± 0.01
0.292 to 0.865 Abs (60.06 mg/L K2Cr2O7, BP method): ± 0.01
0.955 Abs (600.06 mg/L K2Cr2O7, BP method): ± 0.012
Photometric range: 3.3 Abs
Photometric display: ± 9.9999 Abs, ± 200.00 %T
Photometric reproducibility (Abs)
Using NIST 930D filters, at 465 nm, 2 s SAT
Maximum deviation at 1 Abs: < 0.004
Standard deviation for 10 measurements: < 0.00050
Using NIST 930D filters, at 546.1 nm, 2 s SAT
Maximum deviation at 0.5 Abs: < 0.003
Standard deviation for 10 measurements: < 0.00030
Photometric stability (Abs/hour): After 30 min warm-up, 500 nm, 10 s SAT < 0.0004
Photometric noise (Abs, RMS)
500 nm, 1 s SAT At 0 Abs: ≤ 0.000063
At 1 Abs: ≤ 0.00014
At 2 Abs: ≤ 0.0018
260 nm, 1 s SAT At 0 Abs: ≤ 0.00015
Baseline flatness (Abs) 200 to 850 nm, smooth 21 filter applied, baseline corrected: ± 0.0006
Instrument dimensions (W x D x H): 500 mm x 590 mm x 205 mm
Instrument weight: 21 kg
Specifications
| Weight | 0,0 kg |
|---|---|
| Warranty | 6 months |
| Condition | Used, in good condition |
