Pin Free Moisture Meter Model MO280
Contents
1. Name No Name 4 Abachi 4 Mahogany 5 Abura 5 Maple Bigleaf 6 Afrormosia 5 Maple Red 5_ Agoa 6 _ Maple Sugar _4_ _ Alder 6 Meranti 5 Ash 6 Oak Red 4 Aspen 7 Oak White 4___ Basswood 7 _ Pecan 6 Beech 4 Pine Eastern White 6 Birch 4 i Ponderosa 4 _ Cedar Eastern 5 i Red 3 Cedar Western 4 Southern Yellow 5 Cherry 4 Poplar 4 Chestnut 5 Ramin 3 _ Cottonwood i4 Redwood 4 Cypress 8 Rosewood 7_ ___ Dogwood 5 Sassafras 5 Douglas Fir 4 Spruce 5_ Elm 5 Sycamore 5 _ Gum Red 5 Teak 4 Hemlock 6 Walnut Black 7 Hickory 4 Willow 5___ Koa 3 Cloth ia White 3 1 Gotton 3 _ Lauan Red 9 Drywall 5__ Larch 3 Fabric 4__ Limba 9 Paper 6 Locust Black 5 Plywood Measurement ranges at 73 F 23 C Range 23 4 to 79 9 33 4 to 89 9 43 4 to 99 9 6 8 to 63 3 5 4 to 61 9 e omwen 9 0 0 to 56 5 MO280 V4 1 2092. the meter seeks a stable reading A blinking reading with an urgent chirping sound indicates that the measurement is out of the range for the group selected 6 Press and hold the HOLD button to freeze a displayed reading 7 Turn the rear power switch to OFF when meter is not in use This will optimize the battery life Specifications Max Measurement depth Sensor area Battery type Display Operating conditions 3 4 20mm 1 6 x 1 6 40 x 40mm 9V rear compartment LCD with sleep mode 32 F to 122 F 0 C to 50 C 0 to 60 RH non condensing 2 75 W x 5 25 H x 1 0 D 70 x 133 x 25 4mm 5 6 oz 160g with battery Meter Dimensions Weight Pin Free Moisture Meter Model MO280 Description Moisture reading Low battery icon 2 Material group number 0 9 Data Hold icon Oi c oo No Keypad Note Sensor battery compartment and ON OFF switch on reverse side of meter Pinless Moisture Meter Measurement Considerations The thickness of the sample under test must be at least 3 4 20mm If the sample is thinner use a stack of samples to measure Also the measurement area of the sample should be larger than the MO280 sensor area which is 1 6 x 1 6 40 x 40mm Warranty EXTECH INSTRUMENTS CORPORATION a FLIR company 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 ca
3. User s Guide EXTECH INSTRUMENTS A FLIR COMPANY Introduction Congratulations on your purchase of the Extech MO280 Moisture Meter This device non invasively measures and displays moisture content in wood building products and other materials The MO280 can also detect moisture behind ceramic tiles or behind and under various floor or wall coverings on fabric cloth and on paper products This professional meter with proper care will provide years of safe reliable service Theory of Operation The square sensor on the rear of the instrument sends and receives a low power electromagnetic signal through the material under test The LCD shows the average moisture content in of the material under test to a max depth of 3 20mm The MO280 is an auto calibration device no user calibration is needed Operation Note When the meter s display is active the meter is measuring If the meter s rear power switch is on and the display is blank the meter is in sleep mode Press the MEASURE button to resume measuring 1 Slide the rear power switch to the ON position 2 Momentarily press the MEASURE button to begin measurements the display will switch on 3 Press the UP or DOWN button to step through and select the material group 0 to 9 for the material to be tested 4 Place the meter s rear sensor black square against a flat surface on the material to be tested 5 The meter s audible tones will sound as
4. bles 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 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 Tech Support Ext 200 E mail support extech com Repair Returns Ext 210 E mail repair extech com www extech com Copyright 2009 Extech Instruments Corporation a FLIR company All rights reserved including the right of reproduction in whole or in part in any form Wood and Material Group Numbers No
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