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Fluorescence Spectrometers
Preconfigured Spectrometers for Use with Sensors
Our high-sensitivity, preconfigured fluorescence spectrometers -- the USB4000-FL, USB4000-FL-450 and USB4000-FL-395 -- were conceived for use with fluorescence-based sensors. Each unit is set to 360-1000 nm and comes with a 200-um entrance aperture and an L4 Detector Collection Lens for increased light throughput for fluorescence applications.
USB4000-FL: Excitation Source not Included
The USB4000-FL does not include an excitation source; this allows you the flexibility of
choosing from several compact, low-cost, modular excitation sourone of our LEDs (pages 130-131). The excitation sources produceoutput and couple easily to our spectrometers, optical fibers and
as
or continuous accessories.
USB4000-FL-450 & USB4000-FL-395: Excitation Source Included
The USB4000-FL-450 and USB4000-FL-395 Spectrofluorometers are spectrometers config­ured the same as the USB4000-FL, but each comes with a direct-attach excitation source.
The USB4000-FL-450 comes with a 470 nm LED and the USB4000-FL-395 comes with a 395 nm LED Excitation source. (When using these Spectrofluorometers with one of our sensor probes, we recommend the USB4000-FL-450 with FOXY and HIOXY sensing formulations and the USB4000-FL-450 with the FOSPOR sensing formulation. See pages 65-68 for details.) The spectrometer provides power to the f LED and enables synchronization functions and l2C communications. In addition,
these sources connect to industrial temperature sensors and contain onboard memory that can be programmed to store temperature and oxygen calibration coefficients. USB4000-FL: $2,499
USB4000-FL-450: $3,049 USB4000-FL-395: $3,049
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USB4000-FL-450
Specifications |
USB4000-FL
USB4000-FL450
USB4000-FL395
PHYSICAL
Dimensions:
89.1 mm x 63.3 mm x 34.4 mm
89.1 mm x 120.3 mm x 34.4 mm
89.1 mm x 120.3 mm x 34.4 mm
Weight:
190 grams
310 grams
310 grams
DETECTOR
Detector:
Toshiba TCD1304AP linear CCD array (see page 17 for detector specifications)
Toshiba TCD1304AP linear CCD array (see page 17 for detector specifications)
Toshiba TCD1304AP linear CCD array (see page 17 for detector specifications)
Design:
f/4, Asymmetrical crossed Czerny-Turner
f/4, Asymmetrical crossed Czerny-Turner
f/4, Asymmetrical crossed Czerny-Turner
Focal length:
42 mm input; 68 mm output
42 mm input; 68 mm output
42 mm input; 68 mm output
Entrance aperture:
200 urn wide slit
200 um wide slit
200 um wide slit
Grating #3, groove density of 600 lines set to 360-1000 nm, blazed at 500 nm
Grating #3, groove density of 600 lines set to 360-1000 nm, blazed at 500 nm
Grating #3, groove density of 600 lines set to 360-1000 nm, blazed at 500 nm
SMA 905 to 0.22 numerical aperture fiber
SMA 905 to 0.22 numerical aperture fiber
SMA 905 to 0.22 numerical aperture fiber
SPECTROSCOPIC
Wavelength range:
360-1100 nm
360-1100 nm
360-1100 nm
Optical resolution:
~10.0 nm FWHM
~10.0 nm FWHM
~10.0 nm FWHM
Signal-to-noise ratio:
300:1 (at full signal)
300:1 (at full signal)
300:1 (at full signal)
A/D resolution:
16 bit
16 bit
16 bit
Dark noise:
50 RMS counts
50 RMS counts
50 RMS counts
Stray light:
<0.05% at 600 nm; <0.10% at 435 nm
<0.05% at 600 nm; <0.10% at 435 nm
<0.05% at 600 nm; <0.10% at 435 nm
Corrected linearity:
>99.8%
>99.8%
>99.8%
ELECTRONICS
Power consumption:
250 mA @ 5 VDC
250 mA @ 5 VDC and 60 mA @ 5 VDC
250 mA @ 5 VDC and 60 mA @ 5 VDC
Data transfer speed:
Full spectrum to memory every 5 ms with USB 2.0 port, 18 ms with USB 1.1 port
Full spectrum to memory every 5 ms with USB 2.0 port, 18 ms with USB 1.1 port
Full spectrum to memory every 5 ms with USB 2.0 port, 18 ms with USB 1.1 port
Inputs/Outputs:
Yes, 8 digital user-programmable GPIOs
Yes, 8 digital user-programmable GPIOs
Yes, 8 digital user-programmable GPIOs
COMPUTER
Operating systems:
Windows 98/Me/2000/XP, Mac OS X
Windows 98/Me/2000/XP, Mac OS X
Windows 98/Me/2000/XP, Mac OS X
and Linux with USB port; Any 32-bit
and Linux with USB port; Any 32-bit
and Linux with USB port; Any 32-bit
Windows OS with serial port
Windows OS with serial port
Windows OS with serial port
Computer interfaces:
USB 2.0 @ 480 Mbps; RS-232 (2-wire) @ 115.2 K baud
USB 2.0 @ 480 Mbps; RS-232 (2-wire) @ 115.2 K baud
USB 2.0 @ 480 Mbps; RS-232 (2-wire) @ 115.2 K baud
Peripheral interfaces:
I2C inter-integrated circuit; SPI (3-wire)
I2C inter-integrated circuit; SPI (3-wire)
I2C inter-integrated circuit; SPI (3-wire)
LIGHT SOURCE
Stability:
n/a
±1.0% drift after 2-minute warm-up period
±1.0% drift after 2-minute warm-up period
Wavelength range:
n/a
460^90 nm
380-410 nm
Power consumption:
n/a
60 mA@ 5 VDC
60 mA @ 5 VDC
Power output:
n/a
60 uW (minimum) into a 600 um optical fiber
60 uW (minimum) into a 600 um optical fiber
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