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10 Best Grain Moisture Meters 2025 in the United States
#1
Winner
Agratronix MT-Pro Portable Moisture Tester for Grain with Digital Meter Readout, Grain Tester with Carry Case
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 by1,231
Portability
Most important from
74 reviews
#2
AMTAST Grain Moisture Meter High Precision Grain Moisture Tester with Temperature Compensation Portable Seed Moisture Meter for 22 Grains Including Wheat, Soybean, Coffee and More
The AMTAST Grain Moisture Meter is a solid choice for anyone needing to measure the moisture content in a wide variety of grains—supporting 22 types including wheat, soybean, and coffee. It stands out for its high accuracy thanks to an advanced multi-point calibration system and automatic temperature compensation, which helps keep readings reliable even when weather conditions change. The device covers a broad measurement range and includes a large range error correction feature, reducing mistakes in moisture readings across different grains and moisture levels.
Rating
9.8
Accuracy
Calibration
Display and Interface
Most important from
152 reviews
#3
Grain Moisture Tester, Handheld
This handheld grain moisture tester is designed to measure grain moisture percentage and meets the Gac2100b U.S. Federal Grain Standard, suggesting it provides reliable accuracy for general farming or storage needs. The compact design and battery-powered operation make it fairly portable, though the device weighs over 6 pounds, which might feel a bit heavy compared to other handheld meters.
Rating
9.7
Accuracy
Portability
Durability
Most important from
14 reviews
Top 10 Best Grain Moisture Meters 2025 in the United States
#1
Winner
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
Accuracy: ±0.5%
Measurement Range: up to 40%
Calibration: single-point, multi-point
Portability: carrying case with strap
Display and Interface: multilingual LCD display
Chosen by 1231 this week
AMTAST Grain Moisture Meter High Precision Grain Moisture Tester with Temperature Compensation Portable Seed Moisture Meter for 22 Grains Including Wheat, Soybean, Coffee and More
AMTAST Grain Moisture Meter High Precision Grain Moisture Tester with Temperature Compensation Portable Seed Moisture Meter for 22 Grains Including Wheat, Soybean, Coffee and More
Accuracy: high accuracy, multi-point calibration, temp compensation
Measurement Range: broad measurement range
Calibration: advanced multi-point calibration system
Portability: 9V battery, auto shutdown, tabletop, 1.6 kg
Display and Interface: LCD display
Durability: durable for regular use, no rugged features
Grain Moisture Tester, Handheld
Grain Moisture Tester, Handheld
Accuracy: Gac2100b U.S. Federal Grain Standard
Portability: Compact, Battery Powered, 6.09 pounds
Durability: Solid build, Max Temp 122°F
AMTAST Grain Moisture Meter High Precision Grain Moisture Tester with Moisture & Temperature Display Seed Moisture Meter for 25 Grains Including Wheat, Soybean, Coffee and More
AMTAST Grain Moisture Meter High Precision Grain Moisture Tester with Moisture & Temperature Display Seed Moisture Meter for 25 Grains Including Wheat, Soybean, Coffee and More
Accuracy: accurate readings
Portability: portable
Display and Interface: backlit display
Durability: robust
Agratronix MT-16 Portable Grain Moisture Tester with Digital Meter Display
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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Draminski Hay & Straw High-Moisture Meter with Probe Plus Temperature Display
Draminski Hay & Straw High-Moisture Meter with Probe Plus Temperature Display
Accuracy: 1.0
Measurement Range: 10% to 80%
Portability: 9V battery, 1.36 kg
Display and Interface: Large LCD, clear numbers, Fahrenheit
Durability: Tabletop mounting option
GOYERRNES Professional Grain Moisture Meter, Moisture Tester for 20+ Grains, Measure Weight, Density, Temperature with LCD Display, Wheat, Corn, Rice, Crop Moisture Detector
GOYERRNES Professional Grain Moisture Meter, Moisture Tester for 20+ Grains, Measure Weight, Density, Temperature with LCD Display, Wheat, Corn, Rice, Crop Moisture Detector
Accuracy: ±0.5%
Measurement Range: 3% to 35%
Calibration: using 200g weight
Portability: 7.1 oz, aluminum case, AA/USB powered
Display and Interface: clear LCD display
AgraTronix 30100, Ag-MAC PLUS Grain Moisture Meter
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
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
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
#10
Agratronix MT-PRO+ Portable Grain Moisture Tester
Agratronix MT-PRO+ Portable Grain Moisture Tester
Accuracy: ±0.5%
Measurement Range: 5% to 40%
Portability: Handheld, 5 pounds
Display and Interface: Backlit LCD
Durability: Durable plastic
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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.