Merlin EVO SM User Manual
USER MANUAL
EVO SM
WOOD MOISTURE METER
Excellent Business Conditions.
for non-destructive measurement of wood products
with a roughly sawn surface
2 User Manual EVOww/EVOSM— Version 2016/1 ©
USER MANUAL
Non-destructive
Wood Moisture Meter
EVO WW (wood work)
EVO SM (saw mill)
Hints of the manufacturer (read in any
case before using the meter)
Thank you for buying a MERLIN Moisture
Meter! Please read the instructions
carefully. Helpful hints are marked
“IMPORTANT”. See page 23 for a
summary.
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Excellent Business Conditions.
1. Technical Specifications
EVO WW (wood work)
EVO SM (saw mill)
Scanning depth
EVO WW : 20 mm
EVO SM: 40 mm
Min. wood thickness
EVO WW :13 mm
EVO SM: 25 mm
Density range
175 - 1075 kg/m³
Timber group
1 - 21
Resolution
0,1 % humidity; 0,5 °C/°F
Measuring range
2 - 30% wood humidity* (test area to max. 99%)
Temperature range
-10 °C to +60 °C (0,5 °C), 14 to 140 °F (0,5 °F)
Operating temperature
0 °C to 40 °C, 32 to 104 °F
Storage temperature
-20 °C to +60 °C, -4 to 140 °F without batteries
Temp. Compensation
automatically
Menu language
German, English, French, Spanish, Italian,
Portuguese, Czech, Russian
Power supply
4 x 1,5 V AAA Alkaline batteries
Aut. Shut off function
after approx. 3 minutes
Power input
35 mA (incl. display lightning)
Display
128 x 64 matrix display
Dimensions
124 mm x 71 mm x 30 mm
Weight incl. batteries
175 g
Protection class
IP40
Scope of supply
EVO WW/SM, Soft case, batteries, user manual
* see page 19 Exceedance of measuring range
Version October 2016, Version 1.0
MERLIN Technology GmbH, Austria
4 User Manual EVOww/EVOSM— Version 2016/1 ©
2. Description of EVO-meters
Application area:
The MERLIN® meters are designed for
measurement of timber products with
planed (EVO
WW) and roughly sawn
surface (EVO
SM).
Front:
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Excellent Business Conditions.
HOW DOES IT WORK
As soon as the sensor plate is in contact
with the surface of the wood, measuring
starts. The processor of the instrument
analyses the sensor readings and displays
the result as a percentage of moisture
content in the wood
( E VO 5, 1 3 , 2 5 )
6 User Manual EVOww/EVOSM— Version 2016/1 ©
3. Set up
The battery cover is located on the front
side of the meter below the display and
the buttons. To insert the batteries push
the battery cover opener underside and
connect 4 pcs. 1,5 V AAA batteries.
Carefully put battery cover back on. Your
meter is now ready to work.
IMPORTANT: When you first receive the
instrument, check for loose parts. If you
notice any rattling noises, don’t put the
battery in, return instrument to your
dealer. During transport the meter may
have been damaged.
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Excellent Business Conditions.
4. Turn meter on
Turn the meter on by pressing the ON-
button and release it after approx. 3
seconds. The display flashes up. Now the
serial number, software version and
battery status appear. Afterwards the
meter is ready for measurement. To turn
off the meter push the ON-button
again and release it after approx. 3
seconds. The meter will turn off
automatically after approx. 3 minutes if
you do not push any button.
IMPORTANT: If there are no numbers
displayed after depressing the ON-button
, press and release the ON button
8 User Manual EVOww/EVOSM— Version 2016/1 ©
again, but with longer period between.
Take care to push only one button! If the
display remains off, check the batteries.
The batteries could be discharged or
disconnected
5. Display lighting
To turn on the display lighting push the
button. Attention! High power
consumption, use only if necessary.
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Excellent Business Conditions.
6. Timber table
* l = light (coarse), h = heavy (fin)
For many species the density of
heartwood and sapwood differs.
For the denser heart wood correct the
wood group settings by (+1), for the
lighter sapwood correct the wood group
settings by (-1) to obtain more accurate
readings.
10 User Manual EVOww/EVOSM— Version 2016/1 ©
7. Measurement
The operative meter shows following
values on the display:
Choose the wood species or dry density
by pushing the or button. The wood
species are in ascending order of dry
density. Select a timber group by pushing
the ON/OFF Button . If you cannot find
the desired wood species in the menu of
the meter please use the timber table
mentioned above (page 9).
Temperature
Minimum
thickness
(wood)
Dry density
Wood species
Wood moisture
Evaluation
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