10 Best Hay Moisture Testers 2025 in the United States

The Agratronix Windrow Hay Moisture Tester is designed to measure the moisture content in hay with a range of 13-70%, making it versatile for various stages of hay processing. Its accuracy is appreciated by users. The device features a clear display for easy reading. The tester is made from durable aluminum, ensuring it can withstand rough field conditions. It is relatively lightweight at just over 2 pounds, making it portable.

One notable drawback is the need for a 9V battery, which is not included. This could be inconvenient for users who need to use the tester immediately out of the package. While it ranks moderately well in the niche category (#138 in Moisture Meters), it isn't one of the top choices in the broader Tools & Home Improvement category. For farmers and professionals needing a reliable and durable moisture tester for hay, this device offers a good balance of features and user satisfaction.

The F-6/6-30/18/PKG Analog Hay Moisture Meter Deluxe 18” Package by Delmhorst is a practical tool for farmers and hay producers needing to monitor moisture levels in their hay. It features an easy-to-read analog display which makes it user-friendly. The moisture range it can measure is from 6% to 31%, which is broad enough for most hay moisture-testing needs. The device also includes an 18-inch probe, which is adequate for reaching deep into hay bales for accurate measurements.

An internal calibration check helps ensure ongoing accuracy. The device doesn't rely on batteries, which is convenient and reduces ongoing costs. It also comes with a 1-year warranty, providing some assurance of durability and reliability. The moisture meter is built to operate in humidity levels between 10-90%, which covers most typical conditions. It is lightweight at 1.5 pounds and comes with a carrying case, handle, and additional probe for added functionality and ease of transport.

The lack of temperature compensation might affect accuracy in varying environmental conditions. The analog display, while easy to read, may not be as precise as digital options. The product is also relatively large with package dimensions of 24 x 8.5 x 4.7 inches, which might be cumbersome for some users. Despite these minor drawbacks, it serves well for those who need a reliable, easy-to-use moisture meter for hay.

The AgraTronix Hay Bale Moisture Tester HT-Pro is a specialized tool for farmers and those working with hay. With a moisture range of 8% to 44%, it covers a broad spectrum of moisture levels, making it versatile for various conditions. The 20-inch probe length ensures that users can reach deep into hay bales for accurate readings. The illuminated LCD display is a standout feature, providing clear visibility in low light conditions. Accuracy is enhanced with the included calibration clip, which helps maintain precise measurements over time.

Additionally, the tester indicates when moisture levels are above or below set limits, offering a helpful guideline for optimal hay storage and usage. However, one potential downside is that it does not include temperature compensation, which could affect readings in fluctuating temperatures. The device is lightweight at 1.15 pounds and handheld, making it easy to carry around and use. Durability appears adequate with a 1-year warranty for material and workmanship, though it is primarily made from plastic and metal.

The product operates on a 9V alkaline battery, which is commonly available but not included. This hay moisture tester is recommended for anyone who needs a reliable tool for monitoring hay moisture levels, particularly useful for farmers and agricultural professionals.