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計測機器 Apogee Instruments MO-200のPDF オーナーズマニュアルをオンラインで閲覧またはダウンロードできます。Apogee Instruments MO-200 20 ページ。 Oxygen meter

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Apogee Instruments MO-200 オーナーズマニュアル
For measurements in soil or saturated air (100 % relative humidity), it is recommended that the MO-200 is calibrated in
conditions where relative humidity is 100 %. A simple way to accomplish this is to mount the sensor in a sealed chamber over
water, with ambient air filling the headspace, as shown below.
A) Relative humidity effects on relative
oxygen concentration shown as a function
of relative humidity at temperatures
increments of 10 C and B) as a function of
temperature at relative humidity increments
of 20 %. The air in soil is typically always
saturated with water vapor (100 % relative
humidity) unless the soil is very dry.
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