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Wavelength range
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185 nm - 3300 nm
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Spectral band width
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UV/VIS region: 0.1, 0.2, 0.5, 1, 2, 3, 5, 8 nm (8 steps)
NIR region: 0.2, 0.5, 1, 2, 3, 5, 8, 12, 20, 32 nm (10 steps)
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Resolution
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0.1 nm
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Wavelength Sampling
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0.01 to 5 nm
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Wavelength accuracy
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±0.2 nm in UV-VIS region, ±0.8 nm in NIR region
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Wavelength repeatability
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within ±0.08 nm in UV-VIS region, ±0.32 nm in NIR region
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Wavelength scanning speed
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When moving between wavelengths:
approx. 18000 nm/min in UV-VIS region, approx. 70000 nm/min in NIR region
When scanning wavelengths:
Max. approx 4500 nm/min in UV-VIS region, Max. approx. 9000nm/min in NIR
PMT/InGaAs region, Max. approx 4000 nm/min in NIR PbS region (excluding time
required for switching)
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Light source switching
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The light sources are switched automatically in
conjunction with wavelength scanning. The wavelength at which the light
sources are switched can be freely set in a range of 282 to 393 nm in 0.1 nm
increments.
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Stray light
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Max. 0.00008% (220 nm, NaI)
Max. 0.00005% (340 nm, NaNO2)
Max. 0.0005% (1420 nm, H2O)
Max. 0.005% (2365 nm, CHCl3)
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Photometric system
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Double-beam
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Photometric range
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-6 to 6 Abs
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Photometric accuracy
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±0.003 Abs (1 Abs), ±0.002 Abs (0.5 Abs) determined with
NIST930D standard filter
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Photometric repeatability
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0.0008Abs (0 to 0.5 Abs), 0.0016 Abs (0.5 to 1 Abs)
determined under conditions of 1 second accumulation and maximum deviation
for five times measurements.
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Noise
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Under 0.00005Abs (500nm), 0.00008Abs (900nm),
0.00003Abs(1500nm)
Determined under condition of Slit width 2nm, RMS value at 1 second
integration.
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Baseline flatness
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±0.004 Abs (185 to 200 nm)
±0.001 Abs (200 to 3000 nm)
±0.005 Abs (3000 to 3300 nm)
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Baseline stability
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Within 0.0002 Abs/h (after 2 hour warm-up, 500nm,
1-second accumulation)
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Light source
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50W halogen lamp (2000hours life), deuterium lamp
(socket-type with 2000hours life)
Automatic position alignment is used for maximum sensitivity.
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Monochromator
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2 x 2 Grating-grating type double monochromator
Pre-monochromator: Concave diffraction grating monochromator
Main monochromator: High performance blazed holographic grating in
aberration-corrected Czerny-Turner mounting
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Detectors
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UV-VIS region: Photomultiplier R-928
NIR region: InGaAs and cooled PbS
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Sample compartment
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Inside dimensions: 150W x 260D x 140H (mm)
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Dimensions
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1020W x 660D x 275H (mm)
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Weight
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96 Kg
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Ambient temperature
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15 to 35°C
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Ambient humidity
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35 to 80% (no condensation, 70% or less at temperatures
of 30°C or more)
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Power requirements
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AC 100V, 120V, 220V, 230V, 240V, 50/60Hz
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Power consumption
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300VA
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