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Aquar System Ltd
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Aquar System - Model A331 -Infrared Moisture, Density and Ash Sensor for Paper and Cardboard Web

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The moisture, paper weight and ash content infrared sensor of paper web "A 331" is designed for continuous and non-contact control of moisture, paper weight and ash content of paper web in the technological stream of papermaking.

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  • The moisture, paper weight and ash content infrared sensor "A 331" itself is a new generation intelligent sensor, developed using the latest achievements of fiber-optics and microprocessor technologies.
  • Parameters control of paper web is based on a patented optical scheme of measurement transmittance and scattering of infrared radiation paper web at several wavelengths.
  • The sensor can operate independently or as part of the information-measuring part of automated regulators of moisture, paper weight and ash content of paper web.
  • Moisture measuring : 0-20 %
  • Paper weight measuring : 10 - 200 g/m
  • Ash content measuring : 0-35 %