4
Four digits and (-) symbol
Displays up to 000.0 %T and 0.000 Abs
Photometric repeatability
±
0.001 Abs (0 to 0.5 Abs)
±
0.002 Abs (0.5 to 1 Abs)
Photometric accuracy
±
0.002 Abs (0 to 0.5 Abs)
±
0.004 Abs (0.5 to 1 Abs)
±
0.3 %T
Note:
Tested with NIST SRM 930D
Response
Quick, Fast, Medium, Slow
Stray light
0.0003 % (220 nm: NaI 10g/L aqueous solution;
340 nm: NaNO
2
50g/L aqueous solution)
Wavelength scanning speed
10, 20, 40, 100, 200, 400, 1000, 2000, 4000
nm/min
Wavelength moving speed
8000 nm/min
Data pitch
0.025, 0.05, 0.1, 0.2, 0.5, 1, 2, 5,10 nm/data
(spectrum measurement)
0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 20 sec/data
(time course measurement)
Baseline stability
±0.0004 Abs/hour
(value obtained more than one hour after
turning ON the power when temperature
variation is within 5
°
C, wavelength: 250 nm,
response: Slow, and spectral bandwidth: 2nm)
Baseline flatness
±0.001 Abs
(value obtained after baseline correction when
temperature
variation
is
within
5
°
C,
wavelength: 200 to 850 nm, response: Medium,
spectral bandwidth: 2 nm, and wavelength
scanning speed: 100 nm/min)
Detector
Photomultiplier tube
Power requirements
100, 115, 200, 220, 230, 240 V
±
10 %, 130 W
Dimensions and weight
460(W)
×
595(D)
×
260(H)mm (excluding
protrusions)
32 kg
Note: Photometric repeatability, photometric accuracy and baseline flatness are the
values obtained more than one hour after the “Power” switch is turned ON.
1.4
V-570 UV/VIS/NIR Spectrophotometer Specifications
Optical system
Single monochromator
UV/VIS region: 1200 lines/mm plane grating
NIR region: 300 lines/mm plane grating
Czerny-Turner mount
Double beam type
Resolution
0.1 nm (UV/VIS region)
0.5 nm (NIR region)