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Hay Moisture Testers

10 Best Hay Moisture Testers 2025 in the United States

#1

Winner

9.8 score

AgraTronix Hay Bale Moisture Tester HT-Pro

7%OFF

AgraTronix Hay Bale Moisture Tester HT-Pro

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

9.8 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
9.8
Chosen by1,463
Moisture Range
Accuracy
Probe Length

Most important from
172 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
9.6 score

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

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

Pokiphip

9.6 score

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The Pokiphip TK100H is a portable hay moisture meter designed primarily for farmers, ranchers, and hay producers who need to monitor moisture levels to prevent mold and spoilage. Its compact and lightweight design makes it easy to carry and use in the field. The meter features a clear digital display with backlighting, which helps users read moisture levels even in dim lighting conditions, making it useful for working early mornings or late evenings on the farm.

Rating
9.6
Accuracy
Display Type

Most important from
58 reviews

Accuracy
Some grass settings don’t match local varieties, requiring a bit of trial to find the most accurate option.
Display Type
The digital display and portable design provide quick, reliable readings right in the field.
#3
9.4 score

Agratronix Windrow Hay Moisture Tester

6%OFF

Agratronix Windrow Hay Moisture Tester

AgraTronix

9.4 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
9.4
Accuracy
Durability

Most important from
82 reviews

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

Top 10 Best Hay Moisture Testers 2025 in the United States

#1

Winner

9.8 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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7% OFF

Chosen by 1463 this week

#2

9.6 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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#3

9.4 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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6% OFF
#4

9.2 score

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ZOEYEC

ZOEYEC TK100H Portable Hay Moisture Meter for Cereal Straw,bran, Forage Grass, Leymus chinensis, Emperor Bamboo Grass, Testing Fibre

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10% OFF
#5

9.0 score

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AgraTronix

Agratronix BHT-2 Advanced Baler-Mounted Hay Moisture Tester

Display Type: LCD
Durability: ABS

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Related Products

Up to 25% off

#6

8.7 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

8.5 score

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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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#8

8.2 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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#9

8.0 score

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Delmhorst Instrument

F-6/6-30/18/PKG Analog Hay Moisture Meter Deluxe 18” Package/Includes Meter, 830-3 18” prod, 831 Windrow Probe, H-4 Handle and Carrying case.

Moisture Range: 6% to 31%
Probe Length: 18 inches
Display Type: Analog
Temperature Compensation: No
Durability: 1-year warranty

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#10

7.7 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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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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