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Model 750A Fluorescence Spectrophotometer

Specifications

Optical Unit specs, Photometer specs, Power Supply specs

Optical Unit
Sensitivity         Signal: Noise of Raman band of water>300:1, 300 nm excitation, 1 sec time constant, 8 nm bandwidth both monochromators.
Grating Aberration corrected holographic 1200 G/mm standard, 600 G/mm option.
Optimized Wavelength 1200 G/mm, 250/500 nm.
Focal Length 200 mm.
Dispersion 4 nm/mm for 1200 G/mm, 8nm/mm for 600G/mm grating (approximate).
Bandwidth with Standard Grating 2 - 16 nm.
Wavelength Scanning Speed 10, 20, 50, 100, 200, 400nm/min; 800 nm/mm slew.
Wavelength Scanning Range Excitation and Emission 0-800 nm (zero order for wavelength check or other modes of operation).
Spectral Slit Widths Four selectable, precalibrated slits: 2, 4, 8, and 16 nm, for either emission or excitation monochromator.
Cuvette Volume 0.7mL - microvolume

3.5 mL - Standard

Flow Through cells 6,12,24 uL

Photometer
Photomultiplier Tube Standard - For analog signal detection, R928, (selected type with extended sensitivity range, 185-930 nm).

Option 1 - Photon counting with preamp.

Photometer Dark current and blank subtractable with switchable sensitivity ranges, 3-1000nA. PMT voltage is continuously variable depending on range selected.
Photometer Readout Analog meter standard with 0-1V output for recorder or peripheral equipment.
Signal Outputs 0-1V for recording, A-D Converter optional. 0-10MV.

Power Supply
Excitation Source Standard - Xenon Source 150W DC.

Option 1 - Xenon/Mercury 200W DC.

Option 2 - Deuterium Source Approximately 30W.

Certain other lamps (e.g. low pressure mercury, quartz, halogen, etc.) can be accommodated. Request details.

Lamp Power Supply 150W DC low ripple supply.
Power Requirements 115/230 VAC 50/60/ Hz 5 amps.


McPherson, Inc.

7A Stuart Road, Chelmsford, MA 01824

Telephone (978) 256-4512       Fax (978) 250-8625 E-Mail sales@mcphersoninc.com

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