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Spectral / Wavelength Range:

Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Response Time:

Spectrometer Configuration:

Chemical Mapping or Imaging?

Step Selectable Resolution?

Selectable Wavelengths?

Fiber Optic Probe?

FTIR Attachment?

Microscope?

Portable?

Cooled Detector?

Local Interface:

Computer Interface Options:

Application Software Included?

Display Options:

Operating Temperature:

Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Operating Humidity:

%
Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Help with Raman Spectrometers specifications:

Performance Specifications
   Spectral / Wavelength Range:       Wavelength range refers to the dispersion of the grating across the linear array; also expressed as the "size" of the spectra on the array. 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
   Response Time:       Response time refers to the amount of time required from introduction of the sample into the spectrometer until the analysis is complete. 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
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Spectrometer Configuration
   Spectrometer Configuration:       
   Your choices are...         
   Fourier Transform (FT-Raman)       A FT-Raman instrument typically employs a 1 um (1064 nm) excitation laser, an interferometer, and a high-sensitivity near infrared detector. Monochromatic radiation from the laser irradiates the sample. Most of the radiation will elastically scatter or "reflect off" the sample at the same energy as the incoming laser radiation, a process known as Rayleigh scattering. However a small amount, approximately one photon out of a million (0.0001%), will scatter from that sample at a wavelength slightly shifted from the original wavelengths. 
   Dispersive       Dispersive Raman typically employs visible lasers, a grating, and CCD detectors (silicon array charged coupled detectors) as a means to collect data. The laser acts as a light source irradiating the sample. Most of the radiation will elastically scatter or "reflect off" the sample at the same energy as the incoming laser radiation, a process known as Rayleigh scattering. However, a small amount, approximately one photon out of a million (0.0001%), will scatter from that sample at a wavelength slightly shifted from the original wavelengths. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Special Features
   Chemical Mapping or Imaging?       Chemical mapping or imaging is a line scan/area scan. The spectrometer will perform surface mapping or imaging of the sample. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Step Selectable Resolution?       The width of the bands that the spectrometer can detect can be adjusted with step selectable resolution. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Selectable Wavelengths?       The user has the ability to select different wavelengths to be analyzed. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Fiber Optic Probe?       Fiber optic probes are used for monitoring samples through packaging. They are for hand-held use. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   FTIR Attachment?       The Raman spectrometer has an attachment for FTIR spectrometers to permit easy coupling of technologies. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Microscope?       Microscopes are used for imaging purposes. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Portable       Portable spectrometers are modular devices that are designed for ease of transport and assembly.  Rugged enclosures, PC interfaces, and customizable software packages are common features for the portable device. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Cooled Detector?       The detector is temperature cooled to prevent overheating. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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User Interface Options
   Local Interface:       
   Your choices are...         
   Analog Front Panel       The panel has analog user inputs such as potentiometers, dials, switches, for adjustment of output, ranges, etc. 
   Digital Front Panel       The panel uses digital keypads or menus for programming. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Computer Interface Options:       
   Your choices are...         
   Serial Interface       A port, or interface, that can be used for serial communication, in which only one bit is transferred at a time. Examples include RS232, RS422, RS485, USB, etc. 
   Parallel Interface       A channel capable of transferring more than one bit at a simultaneously. Examples include PC Printer Port, Centronics®, etc. 
   Other Computer Interface       Modem, transmitter, TTL, etc. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Application Software Included?       For control or for monitoring the process. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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Display Options
   Display Options:       
   Your choices are...         
   Analog Meter       Data is displayed with an analog meter or simple visual indicator. 
   Digital Readout       Digital readout devices use numerical or application specific display. 
   Video Display       The data is presented in video form via CRT, LCD, or other multi-line forms. 
   None       No integral display. Output is read and displayed remotely. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Environment
   Operating Temperature:       This is the full required range of ambient operating temperature. 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
   Operating Humidity:       This is the full required range of ambient operating humidity. 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
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