Extech Instruments MO220 User Manual

Extech Instruments MO220 User Manual

Moisture meter
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User Guide
Moisture Meter
Model MO220

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Summary of Contents for Extech Instruments MO220

  • Page 1 User Guide Moisture Meter Model MO220...
  • Page 2 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 170 wood species. Moisture measurements can be taken using the integral pin electrodes, or using the heavy duty moisture probe.
  • Page 3: Specifications

    Wood group designators Units of measure External moisture sensor input Remote temperature probe jack Temperature units button Wood group letter selector button 10. Power ON-OFF button Note that the battery compartment is located on the rear of the instrument. MO220 V1..2 4/10...
  • Page 4: Operation

    The current time period will appear. While continuing to hold the power button, use the right arrow button to select the desired time period. Select ‘00’ to disable this feature. Release both buttons when the desired value is on the LCD. MO220 V1..2 4/10...
  • Page 5: Battery Replacement

    When the low battery icon appears on the display, replace the battery as soon as practical. Remove the rear battery compartment screw. Remove the battery compartment door Replace the two (2) ‘AAA’ 1’5V batteries Replace the compartment door and secure the screw before using the meter. MO220 V1..2 4/10...
  • Page 6: Calibration Tables For Wood

    Chestnut Coachwood Cordia, American Light Cypress, African Cypress, Japanese (8-18%mc) Cypress, Japanese (18-28%mc) Dahoma Danta Douglas Elm, Japanese Grey Bark Elm, English Elm, Rock Elm, White Empress, Tree Erimado Fir, Douglas Fir, Grand Fir, Noble Gegu, Nohor MO220 V1..2 4/10...
  • Page 7 Maple, Pacific Maple, Queensland Maple, Rock Maple, Sugar Matai Meranti, (dark/light) Meranti, White Merbau Missanda Muhuhi Muninga Musine Musizi Myrtle, Tasmanian Naingon Oak, American Oak, American White Oak, European Oak, Japanese Oak, Tasmanian Oak, Turkey Obeche Odoko MO220 V1..2 4/10...
  • Page 8 Redwood, Baltic (European) Redwood, Californian Rosewood, Indian Rubberwood Santa Maria Sapele Seraya, Silky Oak, African Silky Oak, Australian Spruce, Japanese (8-18%mc) Spruce, Japanese (18-28%mc) Spruce, Norway (European) Spruce, Sitka Stringybark, Messmate Stringybark, Yellow Sterculia, Brown Sycamore Tallowwood MO220 V1..2 4/10...
  • Page 9 Wood Species Group Teak Totara Turpentine Utile Walnut, African Walnut, American Walnut, European Walnut, Guinea Walnut, Queensland Wawa Wandoo Whitewood MO220 V1..2 4/10...
  • Page 10 Castanea sutiva Cedrea odorata Ceratopetalum apetala (8-18%mc) Chamaecyparis (18-28%mc) Chamaecyparis Chlorophora excelsa Cordial alliodora Corton megalocarpus Cryptomelia japonica Cupressus Dacryium franklinii Dalbergia latifolia Diospyros virginiana Dipterocarpus (Keruing) Dipterocarpus zeylanicus Distemonanthus benthamianus Dracontomelium mangiferum Dryobanalops Dyera costulata MO220 V1..2 4/10...
  • Page 11 Larix kaempferi Larix leptolepis Larix occidentalis Liquidamper styraciflua Lovoa klaineana Lovoa trichiloides Maesopsis eminii Mansonia altissima Millettia stuhimannii Mimusops heckelii Mitragyna ciliate Nauclea diderrichii Nesogordonia papaverifera Nothofagus cunninghamii Ochroma lagopus Ochroma pyramidalis Ocotea rodiaei Ocotea usambarensis MO220 V1..2 4/10...
  • Page 12 Quercus cerris Quercus delegatensis Quercus gigantean Quercus robur Quercus Ricinodendron heudelotti Sarcocepalus diderrichii Scottellia coriacea Sequoia sempervirens Shorea smithiana Shorea Sterculia rhinopetala Swietenia candollei Swietenia mahogani Syncarpia glomulifera Syncarpia laurifolia Tarrietia utillis Taxus baccata Tectona grandis MO220 V1..2 4/10...
  • Page 13 1/2% for every 9F (5°C) below 68°F (20°C) or subtracting 1/2% for every 9F (5°C) above 68°F (20°C). Readings higher by 1%-2% may be obtained 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. MO220 V1..2 4/10...
  • Page 14 24.0 26.6 30.0 23.3 23.5 20.8 24.9 28.2 24.2 27.9 31.2 24.2 24.6 21.6 25.7 29.2 24.4 29.3 32.5 25.6 26.0 22.9 26.9 30.2 24.6 30.8 33.7 26.8 27.5 24.1 28.2 31.1 25.0 25.8 26.1 27.2 46.5 33.0 MO220 V1..2 4/10...
  • Page 15: Warranty

    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.

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