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©2017 Nielsen Kellerman Co. Kestrel, the Kestrel bird, NK, Nielsen-Kellerman and the
NK logo are registered trademarks of the Nielsen-Kellerman company.
Please refer to Standard Practice for maintaining Constant Relative Humidity by Means
of Aqueous Solutions ASTM Designation E104-85 (reapproved 1996) for additional
information.
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While the calibration process is simple, it is important that you follow the
steps carefully. A careless calibration could enter incorrect values into the
unit and degrade its performance.
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