Focus On: Specim SisuCHEMA Chemical Imaging Analyser

SisuCHEMA is a chemical imaging analyser, characterised by speed, simplicity and superior performance. SisuCHEMA employs a pushbroom imaging technology providing several advantages for the user: high speed, low heat load from illumination and flexibility to most sample shapes and sizes. Applying pushbroom imaging sisuCHEMA is also first step towards on-line process control.

SisuCHEMA combines NIR spectroscopy with high resolution imaging. It provides detailed information on the chemical components, their quantities and distributions within the sample. It is invaluable information for the characterisation and quality assurance of advanced materials, where the functionality of the material is dependent on its chemical and physical structure.


HOW SISUCHEMA WORKS

SisuCHEMA is a complete chemical imaging analyser. User places samples into specially designed sample trays, then using the Breeze software, the spectral image is acquired and saved in seconds. Finally, spectral image is being analysed with easy-to-use Breeze software.

MANY APPLICATIONS

The SisuCHEMA is ideal for pharmaceutical, geological and agricultural applications where high spatial resolution is required and samples are small. In the SisuCHEMA, the maximum sample size is 200 x 300 x 45 mm. The system can image samples of 10 mm or smaller at a very high pixel resolution of 30 microns, and offers flexible settings to coarser resolutions.

Applications

  • Geology
  • Tablet analysis
  • Blister package inspection
  • Blend uniformity
  • Granule Size and Size Distribution
  • Food and Dairy Agricultural
  • Material Screening
  • Forensics
  • Life Sciences

PUSHBROOM IMAGING

SisuCHEMA employs pushbroom imaging, acquiring the image one line at a time while scanning the sample on a moving sample tray. Each line has a 320 – 1 312 pixel field of view. In the scanning dimension the number of lines is dependent on the selected scanning length. The variable scanning length allows the user to image longer samples, or multiple sequential samples, in a single linear scan. The maximum scanning length is 300 mm.

PERFORMANCE, EFFICIENCY AND EASE OF USE

SisuCHEMA is based on SPECIM’s Spectral Cameras operating in the near infrared range with high spectral resolution. Light throughput is 10 to 20 times higher than in similar instruments that implement tunable filters. The result is considerably faster imaging under similar illumination conditions. Furthermore, push-broom imaging only requires line illumination on the sample, which significantly reduces the heat load on the sample. SPECIM’s unique line illumination technique optimizes the imaging of various surfaces and textures. SisuCHEMA is a stand-alone instrument, which is user friendly and easy to set up and maintain. SisuCHEMA is operated using pre-installed Breeze software.

FROM LAB TO PROCESS

Specim’s SisuCHEMA is the only chemical imaging technique offering a direct application path from laboratory to real-time process. Using a push-broom hyperspectral camera, SisuCHEMA works like a high speed linescan camera. It acquires and builds the spectral image of a moving sample line by line, and simultaneously acquires all wavelengths for each line. This imaging technique is ideal solution for on-line process monitoring, where samples are in continuous motion. This provides another significant advantage to the SisuCHEMA user. The applications that are developed for sample analysis in laboratory and near production lines can be directly transferred to the real time world of on-line process and quality control. There is no need to adapt and invest in different technologies for online monitoring.




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