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FMI combined with X-Ray / Presorting
Brookhuis Micro-Electronics BV 1
Institutenweg 15, 7521 PH Enschede
Postbus 11, 7500 AA Enschede
Tel: +31 53 480 3636 Fax: +31 53 430 3646
Ing. Pieter Rozema
Cost E53 Training School
17 October 2006
Timber Quality, Grading and ScanningTimber Quality, Grading and Scanning
OverviewOverview Pin-Less moisture meters
Product range
Pin type moisture meters
Product range
In-Line moisture meters
Product range
Research & Development
FMPA approvals
Pre-sorting
Stress Grading
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Brookhuis pinBrookhuis pin--less moisture metersless moisture meters
Measures the moisture content of wood
and construction material with a smoothsurface, by holding the instrument onthe material for about half a second.
Density setting for wood rangingbetween 250 and 1100 kg/m3 foraccurate measurement.
Measures through paint layers or plasticfilm wrap.
Ideal for quick checks and final
inspections.
Product range pinProduct range pin--Less moisture metersLess moisture meters
FMW-T FMW-B
PinPin--type moisture meterstype moisture meters Measures the moisture content of wood,
construction material and paper with aprobe.
Most accurate and reliable measuringmethod.
Individual calibration lines for:
Wood
Building & construction material
Paper
User definable products
Versatile measurement system for allkind of applications.
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Product range pinProduct range pin--type moisture meterstype moisture meters
FMD6 FME FMC
Product range pinProduct range pin--type moisture meterstype moisture meters
FMI inFMI in--line moisture metersline moisture meters
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FMI inFMI in--line Sensorsline Sensors
LongitudinalMC measurement between 10 and
200mm thickness
TransversalMC measurement between 5 and
150mm thickness
FMI inFMI in--line applicationsline applications
Transversal200 planks per minute
Measurement over400mm or 600mm
ApplicationsSorting of wood
Analyzing of kiln loads
Optimizing kilns
FMI inFMI in--line applicationsline applicationsLongitudinal600 meter / minute
Measurement overentire wood length
ApplicationsGrading of wood
Quality control
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FMI Quality Control by markingFMI Quality Control by marking
FMI Quality Control by reportingFMI Quality Control by reporting
FMPA approvalsFMPA approvalsIn-Line Binder (Austria)
Spruce / Fir
Glue laminatedconstruction timber
Klenk (Germany)
Spruce / Fir / Pine
All types ofconstruction timber
Handheld MPA (Germany)
Spruce / Pine / Fir /Douglas fir / Larch
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FMI system setup at BinderFMI system setup at Binder
FMI boards for testing at BinderFMI boards for testing at Binder
Research3 MC ranges
7 % / 12 % / 17 %
2 Dimensions
33 x 100 mm
45 x 200 mm
150 boards per type
900 boards in total
Approval15 boards per type
90 boards in total
FMI MC measurements at BinderFMI MC measurements at BinderDescription1. Board number
2. Dimension
3. MC range
4. Position of dry-ovensample
5. MC by dry-oven test
6. MC by FMI system
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FMI board at BinderFMI board at Binder
Description1. Board number 1094
2. Board length 400 cm
3. Dry-Oven samplesat
45 cm
155 cm
267 cm
366 cm
4. FMI measurementfrom 35 ~365 cm
FMI density range at BinderFMI density range at Binder
FMI result at BinderFMI result at BinderDescription Difference between
the integral averageof FMI systemcompared with dry-
oven test for eachboard
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FMI result at BinderFMI result at Binder
Result 93 out of 107
boards (=87%)were measuredwith the FMIsystem with anaccuracy betterthen 1%
FMI result at BinderFMI result at Binder
FMI system set up at KlenkFMI system set up at Klenk
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FMI wood used for testing at KlenkFMI wood used for testing at Klenk
FMI preparing dryFMI preparing dry--oven test at Klenkoven test at Klenk
FMI MC measurements at KlenkFMI MC measurements at KlenkDescription1. Board number
2. Density
3. FMI Average
4. FMI Minimum
5. FMI Maximum
6. Dry-Oven Surface
7. Dry-Oven Core
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FMI MC profile at KlenkFMI MC profile at Klenk
FMI MC results at KlenkFMI MC results at Klenk
FMI applications with approvalsFMI applications with approvals Moisture measurements according to
EN 386
DIN 4074
Moisture measurement approved byOtto Graph Institute MPA / FMPA forglue laminated applications
Moisture measurement for non-contactstress grading according to EN 14081 incombination with MiCROTEC GoldenEye
Density calculations according to EN384
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PinPin--type measurements at MPAtype measurements at MPA
Description1. Board number
2. Climate
3. Sample conditioned
4. MC measurement oncalibration line 196(Spruce)
5. Dry-Ovenmeasurement
6. Difference betweendry-oven andmoisture meter
PinPin--type results at MPAtype results at MPA
PinPin--type applications with approvalstype applications with approvals Moisture measurements according to
EN13181-1
EN 386
DIN 4074
Moisture measurement approved byOtto Graph Institute MPA / FMPA forglue laminated applications
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PresortingPresorting EU Project StraightEU Project Straight
Test20 boards
Spruce, Central Europe
53 x 105 mm
4000 mm length
Samples every 200mm
PresortingPresorting EU Project StraightEU Project Straight
WetDry
Boards, not planed
FMI system
Presorting wet boards
Dry-kilns
FMI system
Sorting dry boards
Sorted boards by moisturecontent
Presorting applicationsPresorting applicationsPresorting Green lumber
Sorting on different levels of high MC
Benefits Less deviation in MC after drying
Lower energy costs
Shorter drying time
Economic use of the kilns
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SummarySummary
If your problems are MC related,
dont be angry!
Choose the righttools, work withproven methodsand think about whyyou were heretoday!
Good day, and thank you for listening