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The number 42 is, in The Hitchhiker's Guide to the Galaxy by Douglas Adams, "TheAnswer to the Ultimate Question of Life, the Universe, and Everything", calculated by an enormous supercomputer named Deep Thought over a period of 7.5 million years.
Moisture content is one of the most important variables — and challenges — the high quality hay producer must face. Baling at proper moisture levels is critical to the hay grower’s objective — to bale and store hay in a manner to reduce mold development and at the same time preserve leaves, color, and feed value. Using a moisture tester is the only way a farmer can be sure that his hay is being baled at the ideal moisture levels.
Most probe-type meters operate on the principle of electrical resistance, utilizing the relationship between the moisture content of the material and its conductivity. This relation is possible because moisture is an effective conductor of electricity and hay acts as an effective insulator. The "reading" is made between the two metal contacts at the tip of the probe.
Traditionally, the recommended moisture content for baling hay without a preservative is between 18-20%.
If using a preservative, follow the instructions set forth by each particular preservative manufacturer. Smart use of a moisture tester in combination with preservatives and drying agents allows hay to be baled at higher than traditionally recommended moisture levels.
In either case, do not attempt to bale hay before it is at an acceptable moisture level, even when using a preservative.
In The Windrow
Repeat these steps in different parts of the field and pay special attention to the areas where the hay is heaviest. Your decision to start baling should consider the amount of variation found among windrow readings as well as the average stem moisture.
In The Bale
Random spoilage of baled hay can occur due to fluctuating field conditions, i.e. windrow size, soil moisture, stand density, low spots, and shade. Therefore, it is imperative to check bales at several locations in the field.
In The Bale Chamber
A microprocessor-based continuous monitor is an easy and reliable way to give the operator clear guidelines and a little less to worry about. Even though this method provides reliable information, we recommend that you take readings in several bales, especially at the beginning of baling, and as you see conditions change. The FX-2000 can be used for on-the-go moisture monitoring or as a portable meter.
Besides moisture content, factors which affect meter readings most are: moisture distribution, crop variety, temperature of the hay, crop maturity, sample density, cutting, and the overall climatic conditions present. Cloud cover and high relative humidity result in more variable moisture readings than a sunny, dry day with light breezes. Please refer to the Operating Instructions section under PRODUCT SUPPORT for more info.
Because field conditions can change rapidly, accuracy guidelines must be considered in terms of "ranges", not specific points. Claims of accuracy should be taken with caution, because it is unlikely that such claims can be consistent. Expert evaluations of the same meter may yield different results, mainly dependent on the technician’s sampling procedure, conditioning and uniformity of the samples, difference in crop, and differences in oven test procedure. For optimum results, carefully read the owners manual provided with each meter.
The primary or electrical calibration of the tester can easily be checked by the built-in calibration checkpoint feature or by using an optional moisture content standard.
Delmhorst moisture meters are well known for their ruggedness and ability to withstand years of rough handling. Like any testing instrument, a little care goes a long way toward trouble-free service:
If you have any further questions on using a hay moisture meter, please call us at 877-DELMHORST (335-6467)or fill out our Request Form under "Contact Us".