Moisture Meter Instruction Manual
1-800-634-9961
Wagner Model MMI 1100
Table of Contents
INTRODUCTION..........................................................................................................................3
INSTRUCTIONS - MMI 1100 ......................................................................................................4
TAKING MEASUREMENTS ......................................................................................................8
FEATURES ....................................................................................................................................9
METER STORAGE ......................................................................................................................9
METER CALIBRATION .............................................................................................................9
METER SPECIFICATIONS ........................................................................................................9
FCC COMPLIANCE STATEMENT ........................................................................................11
WARRANTY................................................................................................................................12
REPAIR SERVICE .....................................................................................................................13
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Introduction
Congratulations!
You have purchased one of the most accurate moisture measurement instruments for wood in the world.
Using patented electromagnetic wave technology, hand-held moisture meters from Wagner Meters have
been proven by universities and institutes worldwide to provide superior measurement results.
With its electro-magnetic field, your Wagner moisture meter covers a relatively large cross-sectional area1
each time you take a reading, giving you a far better representation than other technologies of the true
moisture content of your wood. Pin-type meters only measure a very small area, and only at a particular
depth, giving you very limited insight into the true moisture content of the wood. Very short, noninsulated pins are especially prone to just reading the surface of your wood. Wagner moisture meters read
IN the wood, not just on the wood.
The 11/2 inch wide by 21/2 inch long by 3/4 inch thick sensing area of your Wagner moisture meter closely
approximates the full-thickness cross-section method used when performing the ASTM D 4442-92 ovendry lab method. This ASTM standard (and its international counterparts) is the standard to which all
moisture meters for wood are compared for accuracy.
The Wagner MMI-1100 Moisture Meter utilizes the latest design features available in moisture
measurement technology. It is designed to fit comfortably in a jacket pocket or toolbox, and the MMI1100 is ideal for anyone who needs a professional quality tool to inspect wood or wood products for
accurate moisture content. It is popular with floor installers, woodworkers, cabinet and furniture makers,
contractors, and quality assurance inspectors.
Other important features of Wagner hand-held moisture meters from Wagner Meters include:
The “Wood-Friendly”™ MMI-1100 uses advanced electromagnetic wave technology to
accurately measure wood moisture content 1 from 5% to 30% (at settings up to .80 SG), and to a
depth of 3/4 inch.
Useful for inspections on many types of materials, including solid and laminated wood products.
Selectable wood species setting eliminates complicated and time consuming wood species
adjustment corrections.
Easy to read digital display read-out scaled in 0.1% increments.
Virtually unaffected by wood temperature or surface moisture. 2
Since 1966, Wagner Meters has been providing quality moisture measurement equipment. Wagner Meters
is the leading supplier of moisture measurement equipment for the primary forest products industry.
Wagner Meters’ technology has been proven to provide some of the most accurate results in the industry
when compared to this worldwide standard. Closely scrutinized and approved by numerous university
studies and used for years by professional lumber-grading associations, moisture meters from Wagner
Meters continue to provide reliable and consistent moisture measurements, with unsurpassed convenience
and ease-of-use.
Footnotes:
1
Confirmed in university study- information available upon request.
2
Contact Wagner Meters technical support for guidelines when wood is frozen.
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Operational Instructions — MMI 1100
On/Off Button:
When the meter is Off, momentarily pressing and releasing this button will cause the meter to
turn On, and briefly display the firmware version, then enter Measurement mode.
When the meter is in Measurement mode, and the On/Off button is momentarily pressed and released, it
will enter Hold mode to allow the user to “freeze” the moisture content reading. Hold mode is selected
when the symbol (÷) appears in the left corner of the display. This is ideal for keeping a moisture reading
on the display when you are taking moisture readings in hard-to-reach places. The reading will be
“frozen” on the display until you press and release the On/Off button again.
To turn Off the meter from Measurement mode only, press the On/Off button for 3 seconds and then
release. The meter will also turn itself off automatically when not in use as described in the autoshutdown section.
Species Button:
The species setting can be changed to compensate for a variety of wood species. When
measuring another species with a Specific Gravity (SG) other than the factory default setting
of 0.50 SG, the species setting needs to be changed. Refer to the “Species Adjustment Table”
included with your meter to locate the correct species setting for your wood. If your species
setting is not listed, contact Wagner Meters. The values entered into the MMI 1100 meter omit the
decimal point, so for example the Douglas Fir value of 0.48 would be “48” when programming the
Species Setting Value.
When the meter is in Measurement mode, momentarily pressing and releasing the species button will
cause the display to show the current specific gravity setting. Momentarily press and release the button a
second time to enter CHANGE SPECIES MODE, or momentarily press and release the On/Off button to
return to Measurement Mode.
When CHANGE SPECIES MODE has been selected, a blinking colon symbol (:) will appear near the left
side of the display. Pressing the Species button again will increment the selected specific gravity value by
01, or hold the button down to increment by 10. The value will go as high as 100, then will wrap around
to 20 and continue incrementing. When the desired setting has been reached, press the On/Off button to
store the species setting value and return to Measurement mode.
NOTE: If the species setting value selected is more than 80, the maximum moisture content reading
attainable will be lower than 30%.
Your commonly used species setting values can be written on the meter overlay decal in the space
provided using a pencil or non-permanent marker, and erased with a swab dipped in isopropyl alcohol.
Avoid using a permanent marker because staining of the decal may occur.
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