|
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 |
SPECTRA 3100 (download
datasheet (129kB)) is a spectrometer system with a fiber coupled dip probe
for in situ measurement of various liquids in the VIS range. The basic module
contains the light source and is characterized by small size. The dip probe is
avaible in several versions. 
