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AF56-N Single Channel NIR Absorption Sensor |
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The model AF56-N is a single channel Near Infrared (NIR) absorption sensor. This inline sensor is designed for a variety of industrial processes. The AF56-N measures concentration or turbidity and can be used for demanding applications such as filter control, phase separation, and yeast cell concentration. |
The AF56-N sensor uses light in the near infrared range (NIR) from 730 to 970 nm. A precisely defined, constant light beam penetrates the process medium. The attenuation of the light intensity, caused by absorption and/or scattering by substances in the medium, is detected by a hermetically-sealed silicon photo diode. |
The change of light intensity is a function of the concentration of the dissolved and undissolved substances in the process medium. The AF56-N measures parts per million (ppm) and percentage (%) concentrations, independent of color influences. An optical filter adapts the wavelength for an individual application. |
The single crystal sapphire optical window provides superior resistance to all abrasive and corrosive media. The AF56-N is available with a broad variety of line sizes, process connections and wetted materials and can be adapted easily to the process. |
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