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Testing the moisture levels of your hay bales is an important task. To maintain and store the hay properly, you need a reliable and accurate way of measuring.

And clearly, the best tool for the job is a hay moisture tester.

However, there are a number of models on the market and deciding which to buy can be confusing.

There are factors such as the length of the probe and the number of sensors that the unit has.

There’s also the issue of portability; will you be taking measurements manually, or do you need a baler mounting kit that will perform readings as you work?

There are also accuracy levels to think about and whether the tester can calculate average moisture levels as well as temperature. How good is the LCD screen? Will you be able to take readings in low light or even at night?

In this review round-up, you will find a selection of top-rated hay moisture testers, backed up with verified customer reviews in tandem with intensive product research and analysis.

These are the results…

Top 5 Picks

NAME
IMAGE
DETAILS
TOP PICK:
Agratronix HT-Pro
Portable Hay
Moisture Tester
20" Probe
Delmhorst F2000
Hay Moisture Meter
18" Probe
BEST BUDGET:
TK100 Multfunctional
Hay Moisture
Meter
Dual Probe
Draminski
Hay & Straw
High-Moisture
Meter
22" Probe
BEST BALER
MOUNTED:

Agratronix BHT-2
Advanced Hay
Moisture Tester
Multi-Sensor

Hay Moisture Tester Reviews

TOP PICK: Agratronix HT-Pro Portable Hay Moisture Tester

Our top pick hay moisture tester for 2020 is the Agratronix HT-Pro. This is a portable unit with a 20” hay probe that really does perform well.

It features an above and below moisture indicator and the readings are very clear via a robust, backlit LED display.

The specifications of the unit do not disappoint either. With a moisture detection range of 8% to 45% (this is dependent on the type of hay being tested mind you), this probe is suitable for most hay testing applications.

The temperature range is also wide, at 32° to 225°F (0° to 107°C).

Accuracy levels are obviously very reliable, (hence the HT-Pro being our top pick this year). The manufacturers state that a high level of accuracy is available throughout the normal range of stored, baled alfalfa, timothy, and clover hay.

The display resolution is an impressive 0.1% moisture. Being a portable option the unit runs on 9-volt batteries that are included in the package.

A calibration clip is also included.

Pros of the Agratronix HT-Pro Portable Hay Moisture Tester
  • 20” probe is one of the longest on the market
  • Features an above and below moisture limit indication
  • Easy to read, Illuminated LCD display meter
  • Wide moisture and temperature detection range
The Cons
  • Can be a little slow taking multiple readings

Bottom Line

Overall the performance and accuracy are what makes the Agratronix HT-Pro Portable Hay Moisture Tester, such a good buy.

Portable, easy to use and reliable, these are the features you need out of your hay moisture tester. Our number one pick for 2020 for good reason.

2. Delmhorst F2000 Hay Moisture Meter Tester 18 inch Probe Value Pkg

The Delmhorst F2000 is another high-quality hay moisture probe with a similar price point to our top pick from AgraTronix.

The 18” probe provides ample length for testing, and while it doesn’t match the 20” on offer from the HT-Pro, there are some other features that shine with this unit.

The F2000 has the very useful ability to average up the readings, 100 accumulated readings in fact.

Not only that, but the unit has the capacity to display the averages and highest of those accumulated readings. Essentially, giving you all the data you need to ascertain the moisture levels of your hay stock.

Delmhorst has also added an adjustable, audible set-point as one of the features. This can be used to alert you when a pre-selected % of moisture has been reached.

The unit can measure moisture content over the range of 8%-40%.

And if all that wasn’t enough, Delmhorst throws in a very generous 3-year warranty too.

Pros of the Delmhorst F2000 Hay Moisture Meter Tester
  • Sensitive, 18” probe length
  • Up to 100 accumulated readings can be averaged
  • Average and highest of these accumulated readings can be displayed and recorded
  • The moisture detection range of 8%-40%
  • Three Year Warranty
The Cons
  • Battery life can be short when used consistently

Bottom Line

Overall, the Delmhorst F2000 is a high-quality hay moisture probe with features that very nearly made it our top pick.

The ability of taking average measurements up to 100 readings is a real plus point. Highly recommended.

3. BEST BUDGET: TK100 Multfunctional Moisture Meter Hay Moisture Meter

Our top choice hay moisture meter for those on a budget is the TK100. Simple, easy to use and very affordable this gets the job done with consistent accuracy, (although not as reliable as more premium options).

Despite the low price point when compared to much of the competition, there are still a bunch of features available here that will aid you in determining the moisture levels of the hay.

The digital LCD screen is easy to read even in low light, there’s also alarm settings that will register at pre-recorded levels.

The measuring range is an impressive 0-80%, and better still is an accuracy level of ± 0.5%. That is spot on measurement for a unit at this price point.

The manufacturers explain the measurement process for those that are interested. Apparently, the meter TK100 works by detecting the relationship between moisture content and electrical resistance.

However, whether this level of accuracy can be relied upon is questionable. In practice, a minority of customers have experienced inconsistent results.

To put your mind at rest when buying such a low-budget unit, the TK100 comes with a 1-year guarantee.

Specifications
  • Display: 4 digital LCD
  • Measuring range: 0-80%
  • Temperature: 0-60°C
  • Humidity: 5%-90%
  • Resolution: 0.1
  • Accuracy: ± 0.5%
  • Responding: 1 second
  • Operation: Electrical Resistance Method, Automatic temperature Compensation
  • Power supply: 4×1.5 AAA size battery (not included)
  •  Dimensions: 460×75×35mm (18.3×3×1.4inch)
  • Weight: 203g (not including batteries)
  •  Guarantee: 1 year
Pros of the TK100 Multifunctional Moisture Meter
  • Affordable price point
  • Easy to use
  • Accuracy level of ± 0.5%
  • Multifunctional nature means it is suitable for a range of applications
  • Includes a 1 year guarantee
The Cons
  • A few users have experienced problems with accuracy levels.

Bottom Line

Overall the TK100 is a great value hay moisture meter. It has the accuracy and robust enough construction quality (it doesn’t feel cheap), to work well while out in the field.

Sure, the more premium options do provide you with greater data measuring abilities, however, for a no-frills moisture meter this one is hard to beat at the price.

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

The Draminski Hay & Straw High-Moisture Meter is another unit worthy of our top 5 round-up.

The features here are similar to our top pick from AgraTronix, however, these guys have gone a step further with a full 22” probe length.

Although size isn’t everything of course. Accuracy and reliability are two of the major attributes that we all look for in a measuring instrument, and that’s where Draminski excels.

The moisture detection range is a very impressive 10-80%, one of the widest in our top 5.

Furthermore, the sensors of the unit can be used to measure both square bales and round ones, (however, one customer has stated that readings are more difficult to obtain on micro round bales).

The unit is also able to record and track minimum, maximum and average data points, all of which can be read from the large LCD screen.

The tester is portable and runs on just one 9-volt battery, (the efficiency of the circuitry means you get a long life out if that too).

Finally, Draminski kindly offer an extremely generous 2-year warranty. Rest assured this will be used to measure your hay moisture levels for a number of years should you opt for this unit.

Pros of the Draminski Hay & Straw High-Moisture Meter
  • Extended 22” probe
  • High-quality moisture Range of 10-80%
  • Minimum, Maximum and Average Functions
  • Large and easy to read, number LCD
The Cons
  • The sensors perform well on square bales but are not so effective with micro round bales.

Bottom Line

The Draminski Hay & Straw High-Moisture Meter is another worthy entry to our top 5. With superior moisture range and that extra-long detection probe, you can rely on this unit to get the accurate results you need. A highly recommended option.

5. BEST BALER MOUNTED: Agratronix BHT-2 Advanced Baler-Mounted Hay Moisture Tester

If you’re looking for a Baler mounted hay moisture tester for a more efficient work process then the one to go for is the AgraTronix BHT-2.

Taking the high accuracy and reliability of our top pick HT-Pro and re-engineering the concept for easy baler use, AgraTronix has come up trumps with this model.

Simply mount it to your cab, and you will have direct moisture data while you’re baling the hay.

In fact, there have been a few advancements over normal style hat moisture testers, due to the circumstances of use.

Two sensors adorn the sides of the bale chamber so that readings can be taken on the left and right sides of the bale.

The BHT-2 will also take readings throughout the bale so that optimum accuracy is gained.

The average of the readings that are taken, are updated and displayed every 2 to 3 seconds. This is presented to you via a large LCD display, that is easy to read in various light conditions.

Furthermore, this is backlit (should you be working at night) and the control keypad is also illuminated.

This keypad is used to set the high and low limit of the moisture reading, providing the user with even greater control of the data.

Finally, the various firmware/calibration curves that are released by AgraTronix can be upgraded via the in-built USB port.

Package Includes:
  • Display module
  • 10′ power cable
  • Two sensor pads
  • Two 35′ sensor cables
  • Twelve sensor cable ties
  • Mounting Hardware
  • USB Cable
  • Installation instructions
Pros of the Agratronix BHT-2 Advanced Baler-Mounted Hay Moisture Tester
  • Multi-sensor technology (readings on the left, right and throughout the bale)
  • Average readings are taken and updated every 2 to 3 seconds
  • Large LCD display also suitable for use in night-time conditions
  • high and low limit of moisture reading can be set
The Cons
  • Very difficult to fault; the price point is relatively high but then this is a quality unit

Bottom Line

The Agratronix BHT-2 is an excellent choice for those looking for a baler mounted hay moisture reader.

Easy to set up with everything you need in the box. The multi-sensor technology will help ensure that your readings are spot on.

Not only that, day or night you can use this tester due to the high visibility LCD screen. What more do you need?

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