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Hay Moisture Testers

10 Best Hay Moisture Testers 2025 in the United States

#1

Winner

9.9 score

AgraTronix Hay Bale Moisture Tester HT-Pro

13%OFF

AgraTronix Hay Bale Moisture Tester HT-Pro

All States Ag Parts Parts A.S.A.P.

9.9 score

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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.

Rating
9.9
Chosen by1,296
Moisture Range
Accuracy
Probe Length

Most important from
182 reviews

Moisture Range
This probe's ability to measure down to 8% moisture is highly appreciated, ensuring even slightly moist hay is detected.
Accuracy
We tested 75% of our bales, and those that were 19% or less dried and cured perfectly.
Probe Length
The 20-inch probe length is ideal for reaching inside large bales, offering accurate readings even at lower moisture levels.
Durability
While the tester worked flawlessly in the first season, it sometimes requires recalibration in subsequent uses.
#2
9.8 score

Agratronix Windrow Hay Moisture Tester

8%OFF

Agratronix Windrow Hay Moisture Tester

AgraTronix

9.8 score

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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.

Rating
9.8
Accuracy
Durability

Most important from
87 reviews

Accuracy
Durable and accurate, perfect for reliable measurements.
Durability
Durable and accurate, perfect for reliable measurements.
#3
9.7 score

AgraTronix 07100, DHT-1 Portable Hay Moisture Meter with 18" Probe

AgraTronix 07100, DHT-1 Portable Hay Moisture Meter with 18" Probe

AgraTronix

9.7 score

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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.

Rating
9.7
Accuracy
Temperature Compensation

Most important from
72 reviews

Accuracy
Accurate in testing both moisture and heat, offering great value for its price.
Temperature Compensation
It's invaluable for checking moisture and temperature in bales that seem heavy, offering essential insights.

Top 10 Best Hay Moisture Testers 2025 in the United States

#1

Winner

9.9  score
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All States Ag Parts Parts A.S.A.P.

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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13% OFF

Chosen by 1296 this week

#2
9.8  score
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AgraTronix

Agratronix Windrow Hay Moisture Tester

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

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8% OFF
#3
9.7  score
Slide 1

AgraTronix

AgraTronix 07100, DHT-1 Portable Hay Moisture Meter with 18" Probe

Accuracy: 1°C
Probe Length: 18-inch
Display Type: LCD, backlit
Durability: aluminum

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#4
9.5  score
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AgraTronix

Agratronix Advanced Hay Straw And Silage Moisture Tester With Durable 20" Probe

Moisture Range: 8% to 72%
Probe Length: 20-inch
Display Type: LCD
Temperature Compensation: 14° to 176° F
Durability: durable

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#5
9.3  score
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Pokiphip

Pokiphip TK100H Portable Hay Moisture Meter - Precise Hay Moisture Tester with Probe for Monitoring and Ensuring Optimal Hay Quality, Preventing Mold and Spoilage

Display Type: digital display with backlight

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#6
9.1  score
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John Deere

John Deere 20" Portable Hay Tester - SW007320

Probe Length: 20 inches
Durability: High Carbon Steel

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#7
8.9  score
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Draminski

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

Moisture Range: 10-80%
Probe Length: 22 inches
Display Type: LCD
Durability: good

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#8
8.7  score
Slide 1

Delmhorst Instrument

Delmhorst FX-2000 Hay Moisture Meter Tester, 10 inch Probe Deluxe Package

Probe Length: 10-inch
Display Type: user-friendly, shows averages and highs
Temperature Compensation: yes
Durability: withstands farm use

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#9
8.5  score
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kalageen

TK100H Portable Hay Moisture Tester, Precise & Fast Measurements Hay Moisture Tester With Probe, Moisture Meter Probe for Hay, Froage Grass, Leymus Chinensis, Alfalfa and Other Hays

Moisture Range: 0 to 80%
Accuracy: ±0.5%
Display Type: backlit digital screen
Temperature Compensation: temperature and humidity compensation

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#10
8.3  score
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GOYOJO

GS120A Hay Moisture Tester Meter – Portable Digital Probe Tester with LCD, 0-80% Moisture Range, for Alfalfa, Leymus, Orchard Grass, Straw Bales Fast Accurate Digital Sensor Hay bale Moisture Meter

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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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