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Pulsed Blue LED Excitation Source, 470 nm center wavelength from Ocean Optics

ProductsPulsed Blue LED Excitation Source, 470 nm center wavelength from Ocean Optics
Company Ocean Optics
Item Pulsed Blue LED Excitation Source, 470 nm center wavelength
Price $499.00
Description Blue LED produces output at 470 nm; includes interface cable to S2000; can be mounted with an S2000 or installed into rack or desktop boxes

The LS-450 Blue LED Pulsed Light Source is an LED that produces either pulsed or continuous output at 470 nm -- the blue region -- for fluorescence measurements. The source is designed for use with Ocean Optics spectrometers configured for fluorescence, with FOXY Fiber Optic Oxygen Sensors, and with sampling optics such as the CUV-UV-ALL 4-way Cuvette Holder.

Excitation Source. Produces either pulsed or continuous output at 470 nm for high-sensitivity fluorescence applications • Software Operation. Lamps can be turned on/off and used in pulsed or continuous mode through manual or software operation • Synchronization with Detector Scan Rate. Configure lamp pulse rates via jumper blocks on the lamp or on the spectrometer • The LS-450 can be configured to operate in pulsed or continuous mode through manual or software operation. Also available are additional wavelength-specific LEDs (see below) for use with the LS-450 housing.

LS-450 Stand-alone Version
The LS-450 connects to the spectrometer via an interface cable; an SMA 905 Connector allows coupling to fiber optics. You can configure the light source to operate through a jumper block on the source or on the circuit board of an S2000 Spectrometer.

Rack-mount Versions.
The R-LS-450 Blue LED is the rack-mount version of the LS-450. For multiple-LED users with limited space in a desktop or rack box, the R-LS-450-2 (2 LEDs) rack-mount version is another option. You can configure operation of the R-LS-450 and R-LS-450-2 through three jumper blocks on the circuit board of the R-LS-450. • In addition, the LS-450 can be installed into an SF2000 Spectrophotometer. The LS-450 is mounted onto a card, and then stacked with the spectrometer in the same housing.

LS-450 for Use with USB2000 Spectrometer
The USB-LS-450 module connects to the USB2000 Spectrometer via the spectrometers 10-pin connector. The spectrometer provides power to the LED and also enables synchronization functions and I2C communications. By adding a sampling optic and interfacing to a notebook PC, the USB2000-with-USB-LS-450 setup provides a convenient, field-portable system.

The USB-LS-450 features a built-in, 24-bit analog-to-digital converter that is configured for a 100 ohm platinum RTD. The USB-LS-450s on-board memory can be programmed to store temperature and oxygen calibration coefficients.

  • Physical dimensions: 90 mm x 50 mm x 32 mm (LS-450 only)
  • Power consumption: 25 mA @ 12 VDC
  • Power output (minimum): 50 W into 600 m fiber
  • Stability: <1.0% after 2-minute warm-up
  • LED drive current: NA
Info Ocean OpticsOcean Optics
830 Douglas Ave.
Dunedin, FL 34698 USA

Call Ocean Optics to buy products (US and Canada only; other locations use numbers below)
USA Canada 1-727-475-1247
Customer Service: 727-733-2447
Fax Number: 727-733-3962
Web Site:
NOTE: Price information is approximate list price and actual prices may vary.

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