| Optical System |
 |
Littrow monochromator using 1200L/mm holographic grating;
coated optics. Accommodates 100mm cells |
| Optical Bandwidth |
|
4nm, all versions |
| Wavelength Range |
|
190-1000nm; 325-1000nm visible versions |
| Wavelength Reproducibility |
|
Better than 0.1nm |
| Wavelength Accuracy |
|
Within 1nm |
| Straylight |
|
Typically 0.01% at 220nm and 340nm - UV versions |
| Photometric Ranges |
|
-0.3 to 3.0A, 0-200%T, 0-9999C |
| Photometric Noise |
|
Less than ±0.0002A at 500nm |
| Photometric Accuracy |
|
1% or 0.005A whichever is greater |
| Absorbance Zero Stability |
|
Better than ±0.001A/Hr. at 500nm |
| Absorbance Zero Setting |
|
0A and 100%T automatic by press button |
| Self Test and Calibration |
|
Automatic at switch on |
| Filter and Lamp Selection |
|
Automatic - coupled to wavelength |
| Display Screen - LCD |
|
High resolution backlit screen with contrast control, displays
menus, curves, scans and all data etc. |
| Display Screen Scrolling |
|
Effective viewing width of 550mm |
| Wavelength Selection |
|
Keyboard entry with GO TO key |
| Reaction Kinetics |
|
Tabulation of results; reaction plots, reprocessing |
| Cell and Wavelength Programming |
|
Up to 8 cells and 10 wavelengths in any combination |
| Peak Seek |
|
Automatic with baseline flattening |
| Curve and Line Fitting |
|
Linear, quadratic or cubic, with or without intercept, for
up to 30 standards with curve editing |
| Wavelength Scanning |
|
Scan speeds up to 4000nm/min with the scan software |
| Method Storage |
|
Up to 100 methods and 30 curves, security coded |
| Real Time Clock |
|
Timed and dated reports |
| Sipette Sampling |
|
Under internal control with screen display |
| Batch Sampling |
|
For up to 100 samples under internal control |
| Sample Temperature |
|
Displayed and set from Keyboard |
| Computer Interface |
|
Bi-directional serial RS232C and parallel ports |
| Sample compartment size |
|
196 x 105 x 107mm (1 x d x h) |
| Power Requirements |
|
110-250V, 50/60Hz, 170W/120W UV/Visible versions |
| Weight |
|
16.8Kg CE 4001, 18.6Kg CE 4002 |
|
|
17.7Kg CE 4003, 19.5Kg CE 4004 |
| Size |
|
480 x 340 x 205mm (l x d x h) |