10 Best Hay Moisture Testers 2025 in the United States

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.

The AgraTronix 07100 DHT-1 Portable Hay Moisture Meter is a robust choice for anyone needing to monitor hay moisture effectively. Its key strength lies in the direct readout feature, which provides immediate moisture and temperature readings, facilitating quick decisions. With its 18-inch probe, it offers adequate reach into hay bales, making it ideal for farmers or agricultural workers.

The backlit LCD display is a thoughtful addition, allowing for operation even in low-light conditions. This is especially useful during early morning or late evening work hours. The sturdy pistol-grip handle adds to the device's usability, providing comfort during prolonged use.

Although it's lightweight at 2.3 pounds, its larger dimensions might make it less portable than some other models. Its durability is implied through the use of aluminum material. The device operates on a 9-volt DC power source but lacks included batteries, so users need to purchase them separately. This meter is a practical tool for general hay moisture testing, particularly for those who value ease of use and straightforward functionality.

The John Deere 20" Portable Hay Tester (model SW007320) is designed to measure moisture in hay, an essential task for farmers to ensure proper storage and quality of their feed.

One of its key strengths is its compact and portable design, weighing just 2.2 pounds, making it easy to carry around the farm. The 20-inch probe length allows users to check moisture levels deep within hay bales, which is a critical feature for accurate measurements.

The tester is made from high carbon steel, ensuring durability and long-lasting use in various weather conditions on the farm.