Spectra CD214 is a CCD based prism spectrometer. It is identical to a grating instrument except that the dispersion element used is pellin broca prism. The prism has constant efficiency over its range of transmittance. Filter is not required for measurement. In many cases, it is the ideal choice for absorption and emission spectra measurement and characterization.
CD214 Series spectrometers are available from Holmarc in various resolution and wavelength range for multitudes of spectroscopic applications. Various accessories include directly attachable light sources and sample holders. Sample holder for 10mm cuvettes connects to the entrance slit of the spectrometer. The optional dual entrance and exit ports allow the user to set up two or more experiments simultaneously. The spectrometer is flexible in design so that it can be easily customized to suit specific applications.
The Spectra Prism Spectrometer is a low-cost, lab spectrometer that is ideal for general purpose laboratory and research spectroscopic applications. The use of linear CCD array with P.B prism makes it more convenient and user friendly compared to other spectroscopes. It is more reliable and cost effective compared to grating spectrometers.
Our CD214 Series Prism Spectrometer’s wavelength range is from 400nm to 700nm and utilizes a detector with 3648 active pixels; that is 3648 data points in one full spectrum. The spectrometer is configured with a micrometer controlled entrance slit which opens from 0-3 mm in width by micrometer adjustment. Optical resolution is approximately 0.15 nm.
| Optical Platform | : | Constant Deviation |
| Spectrometer Prism | : | Pellin Broca |
| Spectral Resolution | : | 0.1 nm |
| Accuracy | : | 0.5 nm |
| Slit Options | : | Micrometer Controlled Variable Slit ( 0 - 3 mm ) |
| Stray Light | : | < 0.06 % @ 532 nm ( < 0.1 % overall ) |
| Detector | : | Toshiba Linear CCD Array |
| Total Pixel Number | : | 3648 |
| Pixel Size | : | 8 x 200 µm |
| Pixel Well Depth | : | 100,000 electron |
| Signal-to-Noise Ratio | : | 1,000 : 1 (at full scale) |
| A/D Resolution | : | 16 bit |
| Exposure Time | : | 1.0 to 6,500 ms |
| Frame Rate | : | Upto 138 fps |
| Trigger Input | : | Yes (Optional) |
| PC Interface | : | USB 2.0 |
| Software | : | Spectra QSR V2.26 |
| Options for single and continuous acquisition |
| Performs Emission, Absorbance & Transmission / Reflection Measurements |
| Performs real time measurements |
| Save live to file |
| User defined exposure time control |
| Averaging of spectra |
| Options for loading saved dark & reference data automatically when starting the application |
| See list of recent measurements in 'Captured List' pane |
| Grid & Playback mode |
| Easily overlay captured spectrum for easy comparison |
| Spectroscope View of captured spectrum simulating visual appearance through spectroscope |
| Displays spectroscope lines on plot |
| Batch collection of data, either continuous, external triggered or scheduled |
| Flexible & intuitive display adjustments, plus cursor and peak-finding |
| Peak analysis options |
| Advanced smoothing algorithms |
| Automated spectra scaling and peak labeling |
| Fast scaling, zooming, scrolling, panning, re scaling with mouse |
| Changing of legend captions |
| Lock axis range to custom values |
| Easy to Switch x axis Pixels Wavelengths |
| Status bar at graph window displays current mouse position => fast reading of data points |
| Displays saturation status of current frame. ‘Normal’ or ‘Over Saturated’ |
| Easy to flip x axis |
| Toggle Y axis between linear and logarithmic scaling with Ctrl + L |
| Displays statistical values of the acquired spectral intensities |
| Options for user wavelength calibration [Polynomial Regression & Hartman regression] |
| Two User Levels : Administrator, User |
| Exports single and multi spectral files to Excel / CSV and HSV |
| Plot export as: Bitmap Image (.bmp) | JPG Image (.jpg) | Gif Image (.gif) | JPEG Image (.jpeg) | Png Image (.png) | Tiff Image (.tiff) | Wmf Image (.wmf) |
| Print plot directly |
| Copy Function to Clipboard |
| Saves previous settings |
Fig. Optical Layout of Spectra CD Spectrometer.
| Model No: | Dispersion Element | Wavelength Range | Detector | Resolution | Price ($) |
| Spectra CD 214VIS | PB N-SF1 | 400 - 700 nm | Line CCD 3648 pixels | 0.15 nm | 2,534.00 |
| Spectra CD 214NIR | PB N-SF1 | 650 - 950 nm | Line CCD 3648 pixels | 0.26 nm | 2,467.00 |
For the spectra prism spectrometers, directly attachable light source and sample holders are available as accessories (sold separately). The most common light source is quartz halogen lamp. Sample holder we stock generally is for 10mm cuvetts which connects to the front side of the spectrometer. Software has capabilities for capturing single or continuous spectra, custom wavelength calibration, dark subtraction and intensity comparison, simultaneous display of overlay multiple spectra, exporting dat to microsoft® excel etc. The software has facilities for spectrum saving in programmed intervals.
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