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10 Best Hay Moisture Testers 2025 in the United States

Agratronix Windrow Hay Moisture Tester

Moisture Range: 13-70%
Display Type: clear display
Durability: durable aluminum

AgraTronix Hay Bale Moisture Tester HT-Pro

Moisture Range: 8% to 44%
Accuracy: enhanced with calibration clip
Probe Length: 20-inch
Display Type: Illuminated LCD
Durability: 1-year warranty
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#1

Winner

Agratronix BHT-2 Advanced Baler-Mounted Hay Moisture Tester

Rating
10.0
Chosen by1,472
Accuracy
Display Type

Most important from
46 reviews

Accuracy
It's very handy for getting a field view of moisture, ensuring accurate readings across the entire field.
Display Type
The display updates moisture content every few seconds, providing real-time data crucial for monitoring hay quality.

The Agratronix BHT-2 Advanced Baler-Mounted Hay Moisture Tester is designed for farmers and agricultural professionals who need accurate moisture readings to ensure quality hay. One of its notable strengths is the multi-sensor technology, which provides readings from both sides of the bale and through it, enhancing accuracy. The average readings are updated every 2 to 3 seconds, allowing users to monitor moisture levels in real time, which is essential for preventing spoilage.

The large LCD display is another plus, making it easy to view results in various lighting conditions, whether it's day or night. Users can also set their own moisture limits, which adds a layer of customization and helps in making quick decisions about the hay's condition.

There are a few drawbacks to consider. While the moisture range and accuracy are good, some users might expect even higher precision, particularly for critical applications. Additionally, the product's age, first available in 2012, may raise concerns about its longevity and advancements in technology compared to newer models. Moreover, since it does not come with batteries included, users will need to prepare for that extra cost. Durability is acceptable with its ABS material construction, but practical use in demanding agricultural environments might challenge its resilience over time. The Agratronix BHT-2 is a solid option for those needing reliable hay moisture readings, offering user-friendly features and good performance, though potential buyers should weigh its limitations against their specific needs.

Rating
10.0
Chosen by1,472
Accuracy
Display Type

Most important from
46 reviews

Accuracy
It's very handy for getting a field view of moisture, ensuring accurate readings across the entire field.
Display Type
The display updates moisture content every few seconds, providing real-time data crucial for monitoring hay quality.
#2

Draminski Hay & Straw High-Moisture Meter with Probe Plus Temperature Display

The Draminski Hay & Straw High-Moisture Meter with Probe Plus Temperature Display offers a range of useful features for anyone working with hay or silage. It has a moisture range of 10-80%, which is quite broad and should be sufficient for most needs. The 22-inch probe length allows for deep insertion into bales, providing more accurate moisture readings. It is capable of displaying temperature in degrees Fahrenheit, which is a handy additional feature.

The large number LCD display makes it easy to read data even in low light conditions. Additionally, it includes minimum, maximum, and average functions, offering a comprehensive view of moisture levels. One downside is the relatively high weight of 1.36 kilograms (about 3 pounds), which may make it cumbersome to use for extended periods. It requires a 9-volt battery but does not include one, so you will need to purchase this separately.

Durability seems to be good with a sturdy build, though it may not be the most portable option due to its size and weight. Priced reasonably, it represents a good investment for farmers or anyone needing reliable moisture measurements in hay or silage. However, if you need a more lightweight and portable device, you might want to explore other options.

#3

Agratronix Windrow Hay Moisture Tester

Rating
10.0
Accuracy
Durability

Most important from
78 reviews

Accuracy
Durable and accurate, perfect for reliable measurements.
Durability
Durable and accurate, perfect for reliable measurements.

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.

Rating
10.0
Accuracy
Durability

Most important from
78 reviews

Accuracy
Durable and accurate, perfect for reliable measurements.
Durability
Durable and accurate, perfect for reliable measurements.

Buying Guide for the Best Hay Moisture Testers

Choosing the right hay moisture tester is crucial for ensuring the quality and safety of your hay. A good hay moisture tester helps you determine the moisture content in your hay, which is important for preventing mold growth and spontaneous combustion. When selecting a hay moisture tester, consider the following key specifications to find the best fit for your needs.
Moisture RangeThe moisture range indicates the range of moisture levels that the tester can measure. This is important because different types of hay and storage conditions may require different moisture levels. Typically, a moisture range of 8% to 40% is sufficient for most hay types. If you are dealing with very dry or very wet hay, you may need a tester with a wider range. Choose a moisture range that covers the typical moisture levels of the hay you are working with.
AccuracyAccuracy refers to how close the tester's readings are to the actual moisture content. This is crucial for making informed decisions about hay storage and usage. Accuracy is usually expressed as a percentage, such as ±1%. Higher accuracy is better, but it may come at a higher cost. For most users, an accuracy of ±1% to ±2% is sufficient. If you need very precise measurements, look for a tester with higher accuracy.
Probe LengthThe probe length determines how deep the tester can measure moisture within a bale of hay. This is important for getting an accurate reading, especially in large bales. Common probe lengths range from 10 inches to 24 inches. For small bales, a shorter probe may be sufficient, while larger bales may require a longer probe to reach the center. Choose a probe length that matches the size of the bales you typically handle.
Display TypeThe display type refers to how the moisture readings are shown on the tester. Common display types include digital screens and analog dials. Digital screens are easier to read and often provide more precise readings, while analog dials are simpler and may be more durable. Consider your preference for readability and ease of use when choosing a display type.
Temperature CompensationTemperature compensation adjusts the moisture readings based on the temperature of the hay, providing more accurate results. This is important because temperature can affect moisture readings. Some testers have automatic temperature compensation, while others require manual adjustment. If you frequently test hay in varying temperatures, look for a tester with automatic temperature compensation for convenience and accuracy.
DurabilityDurability refers to how well the tester can withstand regular use and harsh conditions. This is important for ensuring the tester lasts a long time and provides reliable readings. Look for testers made from sturdy materials and with good build quality. If you work in tough environments, consider a tester with additional protective features, such as water resistance or shockproof design.

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