NDC Series 710e Near Infrared NIR Light Engine Photometer

Series 710e Light Engine

The Series 710e of on-line gauges uses precision NIR (near infrared) technology to make continuous non-contacting measurements.

It works on the principle that constituents such as moisture (water) within a food product discretely absorb certain wavelengths of infrared light. By emitting light at these wavelengths onto the product and then capturing and measuring the reflected unabsorbed light on a light-sensitive detector, the MM710e computes the level of the moisture within the product.

Using high speed 32 bit signal processing, the patented 710e “light engine” delivers the highest resolution on-line NIR measurements available today and is unaffected by changes in process conditions such as particle size variation, product height variation, product temperature variation, ambient lighting and relative humidity changes.

In the animation below you can see how the light from the quartz-halogen source lamp passes through the filterwheel rotating at 8,000 rpm, creating  bursts of sequential pulses of NIR energy which are directed onto the product below. This light is then reflected, captured on the mirror, and focused onto the detector. You can also see the reference beam (red) which is used to achieve the accuracy and long-term stability of the Series 710e light engine...



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On-Line NIR Gauges

Real-time on-line measurements of moisture, fat, protein, sugars, nicotine, coatings and other key parameters for process and quality optimization.
Tobacco Process Measurement Solutions from NDC

 

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