Tech Note 998 Detail

Ocean Optics Spectrometer Comparison

Affected Products:

SE-7183 Amadeus Spectrometer System
SE-7196 Ocean Optics Red Tide Spectrometer

Problem/Symptom:
Ocean Optics Spectrometer Comparison

PASCO Solution:

SPECIFICATIONS

Amadeus
(XPASCO-450)

Red Tide
(USB-650)

USB4000
UV-VIS

GENERAL

Product Status OBSOLETE ACTIVE OBSOLETE
Dimensions [mm] 127 x 190 x 44.5 89.1 x 63.3 x 34.4 9.1 x 63.3 x 34.4
Weight [g] 120 190 190
Power Consumption 150 mA @ 100-240 VAC 90 mA x 5 VDC 250 mA x 5 VDC

DETECTOR

Part Sony ILX-511 Sony ILX-511 Toshiba TCD1304AP
Type linear silicon CCD array linear silicon CCD array linear silicon CCD array
Pixels 300 650 3648
Pixel size 14 µm x 200 µm 14 µm x 200 µm 8 µm x 200 µm
Pixel well depth
[electrons]
~62,500 ~62,500 100,000
Sensitivity
[photons/count]
75 @ 400 nm 75 @ 400 nm 130 @ 400 nm;
60 @ 600 nm

OPTICAL BENCH

Design f/4
asymmetrical crossed Czerny-Turner
f/4
asymmetrical crossed Czerny-Turner
f/4
asymmetrical crossed Czerny-Turner
Grating #03 #03 #02
Grating Options (none) (none) 14 different grating options, UV through Shortwave NIR
Detector Collector Lens Option n/a n/a YES (L4)
UV enhanced window n/a n/a YES
DET4 Filter Options DET2-350-1000 DET2-350-1000 DET4-200-850; DET4-350-1000
Other bench filter options n/a n/a Longpass OF-1 filters
Collimating and focusing mirrors Standard Standard Standard or SAG+UPG
Focal length 42 mm input; 68 mm output 42 mm input; 68 mm output 42 mm input; 68 mm output
Entrance aperture [µm] 10 25 5, 10, 25, 50, 100 or 200 µm wide slits or fiber (no slit)
Fiber optic connector SMA 905 SMA 905 SMA 905 to 0.22 numerical aperture single-strand optical fiber

SPECTROSCOPY

Wavelength Range [nm] 350-848 350-1000 200-848
Optically-Limited Spectral Resolution [nm] 3.0 2.0 1.3
Pixel-Limited Spectral Resolution [nm] 2.0 (2x boxcar) 1.0 0.12
Accuracy [pixel] +/-3 +/-3 +/-3
Signal-to-noise ratio
(at full signal)
250:1 250:1 300:1
A/D resolution
[bit]
16 12 16
Dark noise
[RMS counts]
50 3.2 50
Dynamic range 2 x 10^8; 1300:1 for a single acquisition 2 x 10^8; 1300:1
for a single acquisition
2 x 108 (system), 1300:1 for a single acquisition
Integration time 3 ms to 15 s
(15 s typical max)
3 ms to 65 s
(15 s typical max)
3.8 ms - 10 seconds
Stray light 0.05% @ 600 nm; < 0.10% @ 435 nm < 0.05% @ 600 nm; < 0.10% @ 435 nm <0.05% at 600 nm; 0.10% at 435 nm
Corrected linearity >99.8% >99.8% >99.8%

FEATURES

Auto-nulling NO NO YES

CONNECTIVITY

Connection USB USB USB / RS-232
Operating software Quantum /
Xplorer GLX License/ SPARK SLS/ PASCO Spectrometry
Quantum /SpectraSuite / Xplorer GLX License/ SPARK SLS/ PASCO Spectrometry Quantum /SpectraSuite / Xplorer GLX License/ SPARK SLS/ PASCO Spectrometry
Operating systems Windows 98/Me/2000/XP,
Xplorer GLX-OS*/ SPARK SLS/ SPARKvue/
Windows 98/Me/2000/XP, Mac OS X,
Linux, Xplorer GLX--OS*/ SPARK SLS/ SPARKvue
Windows 98/Me/2000/XP, Mac OS X,
Linux, Xplorer GLX--OS*/ SPARK SLS/ SPARKvue

WARRANTY

Duration [years] 4 4 4
Type manufacturer manufacturer manufacturer

LIGHT SOURCE

Power consumption 1100 mA @ 3.5 VDC 160 mA @ 5 VDC 160 mA @ 5 VDC
Cuvette shape Square Square Square
Optical Path Length 1 cm 1 cm 1 cm
Light source Tungsten Halogen
(Color Temperature ~ 2350 K)
Tungsten Halogen & Violet LED Deuterium/Tungsten Halogen & Violet LED
"Z" dimension [mm] 15 15 15
Bulb life [hours] 2000 2000 / 45000 800 / 2000
Time to stabilized output [minutes] 10 ~5 15
Fluorescence Connector YES NO NO

* Use of the Ocean Optics Spectrometers with the PS-2002 Xplorer GLX requires that the PS-2555 License Key - Xplorer GLX Spectrometer Module be installed.

Creation Date: 02/27/2009
Last Modified: 08/17/2016
Mod Summary: