Moisture Meter
Contents
1. EE Seana EEES SASS ENSANSE TN TIS Swietenia candolei A Swietenia mahogani B ENa ExEPEBUIRERTETEPETITERERIIISISEETIPTUEEPUCCENETHIE 0000000033 atc Taxus baccata EIU EC IEEE irc assess T cu BM _Tectona grandis ______ 12 Model M0220 V1 1 10 07 E A Terminalia 20 superba oo _________ plicata 5 2 dolabrat 22 lieghamela heckeli 2 Triploehiton seleroxylon 2 Tsuga 0 E Ulmus amercana 2 _Ulmus 22 Ulmus thomasi ______ dolabriformis 02 E Zelkova 0 9 Serata NOTES The calibration data in this table are based on standard tests by oven drying of commercial samples of the various wood species between 7 and fibre saturation Above the fibre saturation point 2596 3096 readings are approximate and generally apply to wood that has been dried and re wetted The instrument is calibrated for wood at 68 F 20 C If the temperature of wood varies by more than 5 C the meter reading can be corrected approximately by adding 1 296 for every 9F 5 below 68 F 20 or subtracting 1 296 for every 9F 5 C above 68 F 20 Readings higher by 1965 296 may be obtaine2. 35 lt lt Chestnut _ Coachwood ANREDE Cordia Cypress African __ 2 Japanese 8 18 mc 0 J __ Cypress _ Japanese 2 Dahoma lt 4 4 lt 1 41 4 1 17 444 2 5 5 Elm ____ Grey Elm English CEFEPESCCRCPOPPETEPETTETTPTTTT PEPERIT Elm Rock o 2 E Empress Tree J Erimado a KENET MAKEAN TLT JR CHI m M E IN PE TET 33 8 a EUN VIAM EE IPIS m lii Gegu _Nohor i _H 6 Model M0220 V1 1 10 07 Greenheart Hs Guarea Black Jo 0 Guarea White 1 Ho Gum American A Gum Saligna I B o Gum _ Southern Gum Spotted _____ _ ees Hemlock Western J Ru uv n mmm B
3. Hyedunani Seen lrobank 220 i NN Jarrah RE eal 4 4 227 Jelutong C Karpur A Karri lt Kauri New Zealand E Kauri Queensland _ Keruing a a Nakki a V V V V v j 121 Larch _ Western 2 5 E LI Loliondo Fe Mahogany African J SERT Sen RE lla oR ii Makore Mansoia B W wr T monica MM M Lo 1 Pacific 1 2 4 Rock A SER ASSES SEE SOR CE One EU Maple Sugar UA Mata lt Meranti Red dark light 2 Meranti White 2 4 Merbau Missanda
4. J KO l a 1 03 Li COM Seis PEPERIT EEPES Musine J Musizi E sti e tue Myrtle Tasmanian Naingon Oak American Red A 2 2 lt Oak American White A _ Oak European A NNN iA lt lt D Rt S Coe TEE 7 Model M0220 V1 1 10 07 Okwen Olive Olivillo RR African m Panga Persimmon Pillarwood Pine Pine Pine Pine _ Pine Pine Pine Pine _ Pine Pine _Pine Pine 2 1 Poplar Pterygota EE REESE DAE Pange a YET TITTEN a ki m Nisa Caribbean Corsican lt 4 EEE a nn Ae AR a Black Zealand White Pitch NT TAAS ee ARERR RRR 22222222222 pamm CR MEER RSS nado Queensland Queensland Redwood Redwood
5. RE ER e E n neni CUERO 2 2 ee A BAADER EET EE TS lt lt lt lt lt 4 lt lt lt eec ORNARE GE nn eminii 2 gt 35 N 5 gt gt 4 4 2 a LL 34 EEE v _Ochroma Pyramidalis 4 Ocotea rodiaei C Lee UTI E a EE CE te CEP Ocotea usambarensis 0 11 Model M0220 V1 1 10 07 Octomeles sumatrana ORE RCGNUM RACE He M Olea welwitschii ____ _Palaquium A Paulownia tomentosa iJ Picea jezoensis 8 18 mo 2 VELO SITUE n6 1 1 m o pu U UT Picea ________ _jezoensis
6. Rosewood Rubberwood Santa Sapele Sen Seraya Sterculla Sycamore Tallowwood Ro CR 4 Oak _ Australian 8 18 mc EL S V 2 S SEINIEN PSS ELST TTT RE o 18 28 European Model M0220 V1 1 10 07 Wood Species Teak _ Totara 2 E _ Turpentine 2 5 2 ADI V E QE COMME Walnut African 0 J Walnut American A SAATTAA TT YT TTA d Walnut _____ Walnut New Guinea BEEF ORAE TE Walnut Queensland G Wandoo J oS Whitewood N Yew uM M 9 Model M0220 V1 1 10 07 Botanical Names of Wood mE EE n a a i Lain AIE ERE ROGER I E EQ E RIA EI REIN SAN 2 Araucaria Berlinia TOT TIS Bosquera Betula uin s s hk TASSILI SAS IS schweinfurthii 2 Canarium Caya o _Dacryium fhrankini ________ zeylanicus 3 Ambl
7. fitness for a specific purpose and will not be liable for any direct indirect incidental or consequential damages Extech s total liability is limited to repair or replacement of the product The warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied Support line 781 890 7440 Technical support Extension 200 E mail support extech com Repair amp Returns Extension 210 E mail repair extech com Product specifications subject to change without notice For the latest version of this User s Guide Software updates and other up to the minute product information visit our website www extech com Extech Instruments Corporation 285 Bear Hill Rd Waltham MA 02451 Copyright 2007 Extech Instruments Corporation All rights reserved including the right of reproduction in whole or in part in any form 15 Model MO220 V1 1 10 07
8. instrument Measurement pins LCD measurement reading Wood group designators External moisture sensor input Remote temperature probe jack Temperature units button Wood group letter selector button 0 Power ON OFF button 3 Model M0220 V1 1 10 07 Operation CAUTION The electrode measurement pins are extremely sharp Use care when handling this instrument Cover the pins with the protective cap when the instrument is not in use Basic Measurement Instructions 1 5 Remove the cap to expose the needle electrodes OR connect the heavy duty moisture probe socket on the right hand side of this instrument Switch the meter ON by pressing the button Select the appropriate wood calibration scale A B C E F G H or J see the Wood Calibration Tables later in this guide using the P button Push the needle pins or the heavy duty moisture probe pins into the wood and observe the reading Press and hold the power button to shut the meter off Manual Temperature Correction for use without the Temperature Probe The instrument is calibrated for wood at 68 F 20 In general wood that is warmer than 68 F 20 C will give higher readings and wood colder than 68 F 20 C will give lower readings An approximate manual correction of 0 5 moisture content per 9 F 5 C may be subtracted from wood that is above 68 F 20 C For wood that is below 68 F 20 C a manual correction of 0 5 moisture content pe
9. 2 45 18 28 mc e Picea Picaenia excelsa Mic MH SPP ERE HERE x PAINAA ____________ _____ 2 2222 EGO EE SS Ghia uM a o M TRE DSASUNVENGRIMGCHITEREKLACECELIE il NUS MELLE ERE TENET N IATER SESS SRE se NEUE UE TUER ETE RR REEL EEE EEE EE BEE SERED 5300 i0033 3 111 aa aN Pins 1 11 tuner 0 10 0 BJ Pipadeniastrum africanum A 444 lt lt 5 Pruns ________ avum J c epe cT T PPT SPEC UE a SUTPRARAAAAAAARUPUUUU E Pterocarpus angoenis 0 Hutt UE USO aa F 24 2 2 2 Quercus Quercus delegatensis eee 110 en E n _Quercus A Quercus SPP A 22 _Sarcocepalus X diderichi H Scottellia coriacea E tt n a 4 lt ISA OCP RT EE CEE RE
10. CD 4 Model MO220 V1 1 10 07 Manual Accuracy Check There are two 2 sets of calibration poles located inside the meter s protective cover One set is for the 18 calibration and the other is for the 2696 calibration as marked inside the cover When checking the calibration the A scale should be selected and the temperature probe must be disconnected Touch the two measurement pins to the 1896 calibration nodes and view the measurement on the meter display Do the same for the 2696 calibration When correctly calibrated the instrument will register H2O values in the range of 17 7 to 18 3 18 calibration and in the range of 25 5 to 26 5 26 calibration If the tolerance exceeds 1 the instrument must be recalibrated Care and Maintenance When the instrument is not in use keep it in its pouch together with its accessories Store the kit in a stable dust free environment out of direct sunlight Remove the batteries from the instrument if it is to be stored for periods of more than one month or when the low battery power symbol appears on the display Check the condition of accessories used with the instrument on a regular basis and replace them if they become worn or damaged Battery replacement When the low battery icon appears on the display replace the battery as soon as practical 1 Mr Remove the rear battery compartment screw Remove the battery compartment door Replace the two 2 AAA 1 5V batteries
11. Replace the compartment door and secure the screw before using the meter 5 Model M0220 V1 1 10 07 Calibration Tables for Wood Wood Species Group Tables Common names of wood BS 888 amp 589 1973 _ Abura naa k XXr Ta 3 Agba J Amboyna I G ___ Ash American lt lt 1 lt lt lt a eS 5 4 A Banga Wanga 2 a _ Basswood Bun ccc mud Beech European 15 1221122 lt 4 4 lt lt lt lt lt 3 lt 4 1110 tte Birch European J E 44 PE VENDOR ET nananana EE T IO A Camphorwood E African lt 4 lt lt 4 lt 2 Oe E W st d a en Cedar Western Red
12. User Guide EXTECH INSTRUMENTS Moisture Meter Model MO220 Introduction Congratulations on your purchase of the Extech MO220 Moisture Meter This instrument is a conductivity moisture meter specifically designed for the wood industry The instrument has eight calibration scales enabling the user to take accurate moisture measurements in 150 wood species Moisture measurements can be taken using the integral pin electrodes or using the heavy duty moisture probe When used with the temperature probe the moisture measurements are automatically corrected with respect to temperature This meter is shipped fully tested and calibrated and with proper use will provide years of reliable service 2 Model MO220 V1 1 10 07 Specifications Display Measurement principle Range Electrode length Electrode pins Auto Power OFF Power supply Meter housing Operating Temperature Operating Humidity Dimensions Weight Description Dual measurement scale LCD with bargraph metering Electrical resistance Wood 6 to 44 Building materials 0 2 to 2 0 0 3 8mm Integrated replaceable After approx 15 minutes Two 2 AAA 1 5V batteries Impact proof plastic 32 to 104 F 0 to 40 C 85 Relative Humidity maximum 5 1 x 1 6 x 1 0 130 x 40 x 25mm 3 5 oz 100g Meter Description Low battery icon Units of measure cL DNE Ge ae deb ae Note that the battery compartment is located on the rear of the
13. d where wood has been impregnated with a water borne preservative High readings obtained with some ply woods of peculiar composition must be treated with caution 13 Model M0220 V1 1 10 07 Building material measurements Select the A scale to measure building materials Refer to the following conversion table to obtain the building material moisture value Std Bldg Chip Scale Mat Species Group v 14 Model M0220 V1 1 10 07 Warranty EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment a six month limited warranty applies to sensors and cables If it should become necessary to return the instrument for service during or beyond the warranty period contact the Customer Service Department at 781 890 7440 ext 210 for authorization or visit our website www extech com for contact information A Return Authorization RA number must be issued before any product is returned to Extech The sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or
14. r 9 F 5 C may be added to the measured value Automatic Temperature Correction ATC for use with the Temperature Probe 1 2 Switch the instrument on and select the appropriate wood calibration scale as detailed earlier Using a hammer and nail of a nominal 3 mm diameter make a hole in the wood to be tested Remove the nail and push the Temperature Probe into the hole until the tip is at the required depth Connect the Temperature Probe into the instrument via the Temp socket Measure the wood as described earlier to obtain the automatically temperature corrected ATC moisture value To read the current temperature of the wood press the T button the LCD will display the temperature Press the T button again to change the C F unit of measure Press the button to display moisture value again Auto Power OFF The meter can automatically turn itself off after several minutes This is to conserve on battery energy The user can select the period of time the meter must remain idle before turning itself off 1 through 9 minutes The user can also elect to disable the automatic power off feature select 00 1 With the meter ON simultaneously press the power and the right arrow buttons The current time period will appear 2 While continuing to hold the power button use the right arrow button to select the desired time period Select 00 to disable this feature 3 Release both buttons when the desired value is on the L
15. ygonocarpus obtusunguis ________ Araucaria phoberos hutchinsii odorata E spp 8 1 8 18 28 mc latifolia Keruing Model M0220 V1 1 10 07 ainiaan ika E Entandrophragma J Erythrophleum 0 a aims i RRR lta atk kaa dq EE E a sa M am Vamma n nnn nnn ICT ma maal an lt EEL a aisa NTS NNN 500100050 0003033001 a a ERR eee E _Gonystylus macrophyllum Gossweilodendron balsamiferum J o Guarea cedrata H a EEANN ANEREN TIEREN TENERE TENERE TERRE os 101 1 10023 3 3n 00scsssi130 1 e M MARBRE ees Ma KA EAN D e DE
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