Application Application applicat |
In situ spectral measurement of liquids (portable applications, stationary
use in combination with Swagelok fitting) |
spectral range |
380 nm ... 760 nm |
Wavelength accuracy |
?/FONT> 1 nm (ASTM E275, at 485.8 nm/ 641.1
nm) |
Wavelength
reproducibility |
?/FONT> 0.1 nm (ASTM E275, at 485.8 nm/ 641.1
nm) |
Spectral resolution |
9 nm (6 nm with 50 탆 fiber)
FWHM |
Digital spectral resolution
|
4.1 nm |
Digital resolution |
14 bit ADC |
Extiction range |
0 ... 3 AU |
Base line noise |
max. 10-3 AU at 550 nm (aqua dest.) |
Photometric precision |
?0.002 AU (ASTM E275, D = 1, at 550 nm)
|
Photometric accuracy |
?0.005 AU (ASTM E275, D = 0.46, at 550
nm) |
Temperature dependence |
<10-4 AU/ K (D?/FONT> 0.3, at 550
nm) |
Stray light |
< 10-3 (ASTM E387, GG 495,
2 mm, at 430 nm) |
Light path |
5 mm (optional 1mm, 2mm, 10 mm or
variable) |
Probe diameter |
0.5" |
Maximum depth of immersion |
200 mm |
Fiber length |
1.5 m |
|
|
Measuring time
|
approx. 100 ms |
Operation conditions dip probe |
Temperature max.140캜 Pressure max. 3
bar pH 1 ... 13 |
Spectrometer Grating Detector
|
Holographic Photodiode array
|
Power supply |
RS232 version: 230 VAC (115 VAC
optional)/ 9 VDC USB version: Hub powered |
Interfaces |
RS232, 8N1, 38400 Bd USB1.1 fullspeed
(12Mbit/sec) |
Dimensions |
120 mm x 58 mm x 34 mm
|
Weight |
200 g |
Enclosed accessories |
PC software ATX SPECTRA for Windows 98/2000/XP/NT(only RS232) Operation
manual RS232 version: Switch mode power
supply Mainy PC cable USB version: USB
cable Transport box |