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Grain Moisture Meters

7 Best Grain Moisture Meters 2025 in the United States

#1

Winner

9.9 score

Agratronix MT-Pro Portable Moisture Tester for Grain with Digital Meter Readout, Grain Tester with Carry Case

Agratronix MT-Pro Portable Moisture Tester for Grain with Digital Meter Readout, Grain Tester with Carry Case

AgraTronix

9.9 score

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The Agratronix MT-Pro Portable Moisture Tester is a versatile tool designed for accurately measuring moisture in various grains. One of its standout features is the direct readout for 40 different grain scales, making it highly useful for diverse grain testing needs. It can test grains with moisture content up to 40%, which is quite high, and offers a readout accuracy of ±0.5%, ensuring reliable results.

Rating
9.9
Chosen by1,265
Portability

Most important from
65 reviews

Portability
Well-made and easy to use, this durable tester is perfect for keeping in the combine for grain moisture testing.
#2
9.8 score

Grains Moisture Meter Smart Grain Moisture Tester for 25 Grains Moisture Testing Rapeseed Wheat Spring Barley Field Bean Corn Winter Barley Oats Buckwheat Coffee Beans Radish Seeds Peanuts AMT65C

Grains Moisture Meter Smart Grain Moisture Tester for 25 Grains Moisture Testing Rapeseed Wheat Spring Barley Field Bean Corn Winter Barley Oats Buckwheat Coffee Beans Radish Seeds Peanuts AMT65C

AMTAST

9.8 score

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The Grains Moisture Meter AMT65C is designed for farmers and grain sellers, offering the ability to test moisture levels in 25 different types of grains like wheat, corn, and coffee beans. It provides accurate moisture readings quickly, which is a key advantage for those who need immediate results to make swift decisions. The ability to display both moisture and temperature simultaneously is another useful feature, helping users monitor environmental conditions that can affect grain storage and quality. An external temperature sensor can be added, enhancing its versatility.

Rating
9.8
Calibration
Portability

Most important from
70 reviews

Calibration
Calibrating the device initially is necessary, but once done, it provides effective moisture readings.
Portability
Easy to use and great for quick checks during harvesting.
#3
9.5 score

AgraTronix 30100, Ag-MAC PLUS Grain Moisture Meter

AgraTronix 30100, Ag-MAC PLUS Grain Moisture Meter

AgraTronix

9.5 score

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The AgraTronix 30100, Ag-MAC PLUS Grain Moisture Meter is designed to measure the moisture content in grains, which is crucial for preventing spoilage and ensuring quality. One of its strong points is its accuracy, supported by the direct readout for over 20 different grain types, making it versatile for various agricultural needs. The device boasts a measurement range of 5% to 40% moisture, suitable for most grains, and operates in temperatures from 0° to 45° Celsius, which adds to its usability in different environments.

Rating
9.5
Accuracy

Most important from
8 reviews

Accuracy
Easy to use and seems highly accurate.

Top 7 Best Grain Moisture Meters 2025 in the United States

#1

Winner

9.9 score

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AgraTronix

Agratronix MT-Pro Portable Moisture Tester for Grain with Digital Meter Readout, Grain Tester with Carry Case

Accuracy: ±0.5%
Measurement Range: up to 40%
Calibration: single-point, multi-point
Portability: carrying case with strap
Display and Interface: multilingual LCD display

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Chosen by 1265 this week

#2

9.8 score

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AMTAST

Grains Moisture Meter Smart Grain Moisture Tester for 25 Grains Moisture Testing Rapeseed Wheat Spring Barley Field Bean Corn Winter Barley Oats Buckwheat Coffee Beans Radish Seeds Peanuts AMT65C

Accuracy: accurate readings
Portability: portable
Display and Interface: backlit display
Durability: robust

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#3

9.5 score

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AgraTronix

AgraTronix 30100, Ag-MAC PLUS Grain Moisture Meter

Accuracy: readout for 20+ grain types
Measurement Range: 5% to 40% moisture
Portability: case with handle and strap
Display and Interface: multilingual LCD, USB compatibility
Durability: robust design, protective case

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#4

9.3 score

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AgraTronix

Agratronix MT-PRO+ Portable Grain Moisture Tester MT Pro Plus MT-PRO+

Accuracy: ±0.5%
Measurement Range: 5% to 40%
Portability: Handheld, 5 pounds
Display and Interface: Backlit LCD
Durability: Durable plastic

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#5

9.0 score

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SUZLAZYR

SUZLAZYR Portable Grain Moisture Tester, Grain Moisture Meter Grain Humidity Detector with ATC for Coffee,Cocoa,Rice,Wheat 19 Kinds Grains Moisture Testers, 3-40% Measuring Range

Accuracy: automatic temperature compensation, multi-point calibration
Measurement Range: 3-40%
Calibration: multi-point calibration
Portability: handheld device
Display and Interface: LCD display

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Related Products

Up to 28% off

#6

8.7 score

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Glomora

Glomora Portable Hay Meter,Grain Humidity Meter,Digital LCD Display Grain Moisture Meter for Wheat Corn Rice Peanut Soybean with Non Slip Handle

Accuracy: high precision
Measurement Range: wheat, corn, rice, peanut, soybean
Portability: lightweight and portable
Display and Interface: backlight display, data storage, voice reminders
Durability: carbon steel, nickel-plated needle

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15% OFF
#7

8.4 score

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AgraTronix

Agratronix MT-16 Portable Grain Moisture Tester with Digital Meter Display

Accuracy: Moisture display resolution of 0.1%
Measurement Range: 5% to 40%
Calibration: Matches local elevator standards
Portability: Compact, lightweight, with carrying case
Display and Interface: Backlit display, multilingual settings

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Buying Guide for the Best Grain Moisture Meters

Choosing the right grain moisture meter is crucial for farmers, grain handlers, and anyone involved in the storage and processing of grains. A grain moisture meter helps determine the moisture content in grains, which is essential for preventing spoilage, ensuring quality, and optimizing storage conditions. When selecting a grain moisture meter, it's important to consider several key specifications to ensure you get a device that meets your needs and provides accurate, reliable readings.
AccuracyAccuracy refers to how close the moisture meter's readings are to the actual moisture content of the grain. This spec is important because accurate readings help you make informed decisions about drying, storing, and processing your grains. Accuracy is usually expressed as a percentage, with lower percentages indicating higher accuracy. For most users, an accuracy within ±0.5% to ±1% is sufficient. If you need highly precise measurements, look for meters with higher accuracy ratings.
Measurement RangeThe measurement range indicates the range of moisture content levels that the meter can measure. This is important because different grains have different moisture content levels, and you need a meter that can handle the specific range of the grains you are working with. Measurement ranges typically vary from 5% to 40% moisture content. If you work with a variety of grains, choose a meter with a broader range to accommodate different types.
CalibrationCalibration refers to the process of setting the meter to provide accurate readings for different types of grains. This is important because different grains have different properties that can affect moisture readings. Some meters come pre-calibrated for specific grains, while others allow you to manually calibrate for different types. If you work with multiple grain types, a meter with easy calibration options will be more versatile and useful.
PortabilityPortability refers to how easy it is to carry and use the moisture meter in different locations. This is important for users who need to take measurements in the field, at different storage sites, or in various processing facilities. Portable meters are typically lightweight, battery-operated, and easy to handle. If you need to move around frequently, look for a compact and portable model.
Display and InterfaceThe display and interface of the moisture meter determine how easy it is to read and interpret the measurements. This is important because clear and easy-to-read displays help you quickly understand the moisture content and make decisions. Look for meters with large, backlit displays and intuitive interfaces. Some advanced models also offer digital readouts and additional features like data logging and connectivity to other devices.
DurabilityDurability refers to the meter's ability to withstand tough conditions and regular use. This is important for users who work in harsh environments or need a device that can handle frequent use. Durable meters are typically made from robust materials and may have features like water resistance and shockproof designs. If you work in challenging conditions, choose a meter that is built to last.

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