RANGE OF MOISTURE CONTENT
The F-2000 is designed to test moisture in hay over a range of 6%-40%. Readings over
30% should be used only as a qualitative indication of high moisture content. Delmhorst
moisture meters use the relationship existing between electrical conductivity and moisture
content in hay. As moisture content increases, so does the conductivity.
Tests on hay at high moisture content, over 25%, are less accurate. This is mostly due to
the variability in moisture distribution. The reduced level of accuracy in the high range does
not significantly affect the usefulness of the meter, as a few high readings indicate that
some action be taken to dry the hay to avoid spoilage or even self-combustion.
While it is important to note the average of several readings, it is even more important to
note the high readings and the frequency at which they occur.
HAY TEMPERATURE
The F-2000 has been calibrated at 80°F (27°C) on various samples of different types of hay,
mostly alfalfa, and on different cuttings and mixtures. The higher the temperature of the
sample, the higher the meter readings will be. Temperatures lower than 80°F (27°C) cause
lower meter readings. The correction is approximately 1% point for every 20° F difference.
Refer to chart below:
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