11 | P a g e
12. Move the temperature/humidity measuring instrument to the discharge of the dehumidifier.
13. Allow time for the measuring instrument to get a good, stable reading.
14. Record the dry-bulb temperature and RH of the discharge air.
15. Find the discharge air moisture content in the graph appropriate for the model being tested
below. Use the 1750A graph for the model 1710A. Locate the discharge air temperature at the
bottom of the curve and draw a straight line up until you meet the discharge air RH curve then
read the moisture content where the two intersect at the left (265 PPD @ 100°, 24% RH
example shown).
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