| Detector |
End window high performance photomultiplier |
| Optical System |
Symmetrical full double beam; coated optics |
| Monochromator |
Modified Czerny-Turner, 1200 L/mm holographic grating |
| Wavelength Range and Accuracy |
190-800nm; 900nm R option and CE 9500 : ±0.5nm |
| Wavelength Accuracy |
±0.1nm at deuterium 656.1nm peak |
| Wavelength Reproducibility |
±0.1nm |
| Resolution |
1.8nm; - CE 9500 selectable 0.5, 1, 2 and 4 nm |
| Straylight |
Less than 0.01% at 220nm and 340nm |
| Straylight - as Pharmacopeia using KCl |
Absorbance greater than 2A at 200nm |
| Photometric Noise |
0.00003A (500nm, 2s response, 0A) RMS |
| Photometric Reproducibility |
Better than ±0.0001A, 500nm |
| Baseline Flatness |
±0.001A |
| Stability |
Better than ±0.0001A/hour, 500nm |
| Display Screen LCD |
Displays menus, spectra, curves, data etc. |
| Screen Display Scrolling |
550mm viewing width for spectra, plots etc. |
| Scan Speeds |
1-4000nm/second |
| Overlayed Spectra |
Up to 8 spectra with or without offsets |
| Dynamic Scan Recall |
The 8 most recent scans are held for recall |
| Photometric Readout |
-0.3-3A; 0-200%T; 0-9999C |
| Photometric Accuracy |
0.004A at 1A |
| Derivative Spectra |
1st - 4th derivatives (1st - 6th CE 9500) |
| Kinetics, Single and Multi-Cell |
Calculation of rate, with plot for up to 6 cells |
| Method and Data Storage |
For 100 methods with data |
| Spectral Reprocessing |
Spectral scans may be expanded, transformed or derivatised
and replotted over any wavelength range |
| Quantitative Curve Fitting |
Linear, quadratic or cubic to 30 standards |
| Cell and Wavelength programming |
8 cells and 10 wavelengths in any combination |
| Assay Program |
Program computation of user entered formulae |
| Storage With Password Security |
100 spectra, time plots and reaction curves |
| Alpha Numeric Text Entry |
For annotation and formula entry |
| Sample Temperature Control |
Single or multi-cell, water or thermoelectric |
| Micro Sipette Sampling |
Under MPU control, with or without sample return |
| Real Time Clock |
Timed and dated reports for GLP |
| Computer and Printer Interfaces |
Bi-directional serial RS232c and parallel ports |
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Additional Specification : CE9500 |
|
| Variable Resolution |
0.5, 1, 2 and 4nm, variable optical bandwidth |
| Wavelength Range |
190-900nm standard |
| Baseline |
Full baseline for each bandwidth in safe memory |
| Derivative Spectra |
1st to 6th derivatives |
| Turbid Sampling Optical System |
Fitted standard, turbid sample holder provided |
| Precision Low Noise Measurement |
Absorbance measurements with 0.1mA precision |
| Spectrofluorescence Measurements |
Fluorescence accessory; Excitation wavelength scanning |
| Gel Scanning |
Accessory available for 100mm gels |
| Size and Weight |
805 x 410 x 196; 37Kg, 37.5Kg CE9500 |
| Power Requirements |
110-250V, 50/60Hz, 180W |
