Thank you for visiting the AM 5800 Support page.

First of all we'd like to recommend that you install the AM 5800 Assistant app on your phone or tablet. It helps you get the most out of your AM 5800 grain moisture meter and makes configuration and troubleshooting easier.

Getting started

Download the AM 5800 Assistant app

How to turn off the Demonstration Mode on your new AM 5800 (link to video on YouTube)

How to operate your AM 5800 and analyze a grain sample (link to video on YouTube)

How to move the AM 5800 handle properly (link to video on YouTube)

How to retrieve and export results from the AM 5800


Configuring your AM 5800

How to set date and time

How to edit the AM 5800 Favorites List (link to video on YouTube)

How to select product from the AM 5800 Favorites List (link to video on YouTube)


Calibrating your AM 5800

How to optimize the AM 5800 moisture and test weight results (link to video on YouTube)

How to calibrate the AM 5800 scale (link to video on YouTube)

How to update calibrations


Troubleshooting and maintenance

Results are wrong or unstable

How to update software

How to increase battery life

How to change battery 

How to recalibrate handle position



Download the AM 5800 Assistant app

The AM 5800 Assistant app is available for Android from Google Play, iOS from iTunes App store, and Windows 10 from the Microsoft Store.

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How to retrieve and export results from the AM 5800

You have three convenient options for reviewing data from previously run samples. Every sample record includes the date and time of reading, the grain type selected, the optional "tag" assigned when it was read, moisture, test weight, and sample temperature.

On the meter, use the "history" button (bargraph icon) to view past readings, eight per page. This view also allows averaging multiple readings from the most recent six samples

Connect to phone/tablet app, select "history" page, then "download new" (all readings not downloaded previously), "download today" (all readings matching the date of the most recent sample), "download all" (all readings retained by the meter, up to 1000 maximum). These can be reviewed on screen

In the start page of the app, enter a destination email address. Then on the "history" page, after downloading a data table using one of the three options, "email results" to send the table of results to your email box. This file may be opened with Excel or any text editor program for viewing.

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How to set date and time

The most convenient method for setting the clock / calendar is by connecting the phone/tablet app. On the start page, the "Sync Date/Time" button instantly restores the meter's clock/calendar to match the phone/tablet current settings.

It is also possible to set the clock/calendar with the meter tools. Select tools / clock (icon in upper right corner). The < icon shows which factor is ready to be adjusted using the up and down arrow buttons. Move the < icon selection by touching the number to be adjusted.

The date and time must be set if batteries are removed for more than a few seconds. It is recommended to remove the batteries if the meter will be inactive for several months, to avoid problems with battery leakage.

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How to update calibrations

  1. Install the AM 5800 assistant app on your smartphone or tablet (Android, iOS, and Windows 10 versions are available on the respective app stores)
  2. Turn on the AM 5800 meter, and pair it to your phone/tablet using its Bluetooth Setup feature
  3. Start the AM 5800 assistant app and “connect” on the Start page
  4. On the Updates page of the app, first “Check For Updates” to download the full list of available calibrations to your phone/tablet
  5. Then “Get Meter Versions” to upload the currently installed calibrations on your meter
  6. Now the app shows whether any updates are available for the calibrations installed in your meter. Any calibration with new version available will show a ! tag
  7. Select the grain name, then “update”

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Results are wrong or unstable

First, please verify that you follow the correct procedure. View the demo video on YouTube and pay attention to the following:

  • Check to make sure the catch drawer front does not touch the cabinet at either side.
  • Don't touch the catch drawer until the final reading is displayed.
  • The meter is portable, but must be on a stable, level surface during sample reading.
  • The grain sample must be well blended before pouring it into the meter.
  • The sample volume must be enough to fill to the line in the top funnel.
  • Moving the handle to drop and strikeoff the sample should be a smooth motion. The initial "drop" (from position 1 to position 2) should take about a full second to match the sample flow of the "official" AM 5200-A sample drop time.

If the problem persists, please measure the same sample several times. If the results are not consistent, it is likely that something is interfering with the internal scale. What to do?

If the test weight reading is not realistic, a scale interference (or damage) problem must be resolved in order to yield good moisture results.

  • Remove the drawer and inspect around the scale platform to see if spilled grain has jammed between the scale and the base.
  • Weigh the "check weight" provided with the meter, using the tools / scale check page. The weight reading should be within 1.0 grams of the value printed on the check weight. Repeat the test a few times to check for consistency; it should be stable within +/- 0.5 grams.

If a reading is consistent but doesn't match the "reference", there may be an accuracy problem with the "reference" instead. The AM 5800 should closely match an "official" UGMA-based moisture meter, but not necessarily older technology meters that have demonstrated inconsistencies with some crop conditions.

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How to update instrument software

The AM 5800 software can only be updated by service technicians. The installed software version is displayed on the opening screen during start-up.

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How to increase battery life

Two typical AA alkaline batteries will power the meter for a full year including 600 or more sample readings

Tips for increasing battery life:

  • Selecting high display brightness at startup will shorten battery life
  • Allowing the meter to shut itself off automatically (after 1, 2, or 5 minutes depending on setting) will shorten battery life, compared to using the “off” button on the display after each reading
  • Extra “on” time from reviewing results on-screen, or long sessions connected through the phone/tablet app, will shorten battery life
  • Some “photo” grade alkaline batteries have a higher capacity
  • Rechargeable NiMH AA batteries may be used in place of alkaline “primary” (non-rechargeable) batteries
    It is recommended to remove the batteries if the meter will be inactive for several months, to avoid problems with battery leakage.

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How to change batteries

The battery replacement process is also illustrated on a decal on the back side of the meter.

  1. Empty any grain from the meter, then place it upside down on a stable surface to access the battery compartment which is on the bottom of the meter.
  2. The battery cover is released by a quarter-turn of the cap. Insert a flat blade screwdriver or small coin to turn the cap easily.
  3. Remove the old batteries and replace with two fresh AA alkaline batteries, with the button (plus) side facing out on each battery. That is, insert the flat (minus) end first for each battery.
  4. Push the cap down against the spring, and turn a quarter turn clockwise to secure the batteries in the holder.
  5. Set the meter upright and touch the screen to start.

Unless the batteries are completely discharged, the clock will maintain its setting during a quick replacement process. About ten seconds of battery-less operation is possible before the clock will lose its setting. See instructions for setting time and date if necessary.

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