Pin Free Moisture Meter
Contents
1. or damaged batteries can cause cauterization on contact with the skin Always therefore use suitable hand gloves in such cases See that the battery is not short circuited Do not throw the battery into a fire Measurement at 73 F 23 C Locust Black No Name No Name 4 Abachi 4 Mahogany 5 Abura 5 Maple Bigleaf 6 Afrormosia 5 Maple Red 5 Agba 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 Ponderosa 4 Cedar Eastern 5 Red 3 Cedar Western 4 Southern Yellow 5 Cherry 4 Poplar 4 Chestnut 5 Ramin 3 Cottonwood 4 Redwood 4 Cypress 8 Rosewood T 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 5 Lauan White 3 Cotton 3 Lauan Red 9 Dry wall 5 Larch 3 Fabric 4 Limba 9 Paper 6 5 Plywood Particle board Group No Range 0 23 4 to 79 9 33 4 to 89 9 43 4 to 99 9 6 8 to 63 3 6 7 to 63 2 5 4 to 61 9 3 4 to 59 9 1 6 to 58 1 0 4 to 56 9 O OIN OD a R wlrm 0 0 to 56 5 Copyright 2013 FLIR Systems Inc All rights reserved including the right of reproduction in whole or in part in any form www extech com MO280 EU EN V4 4 12 132. EXTECH INSTRUMENTS Pin Free Moisture Meter Model MO280 see Piles Moisture Meter Introduction User Guide Congratulations on your purchase of the Extech MO280 Moisture Meter This device non invasively measures and displays relative 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 out of the range of the instrument s capability Try another range by selecting another material group see material group amp range tables below Press the HOLD button to freeze a displayed reading To unfreeze press the HOLD button again If the meter goes into sleep mode press the MEASURE button to wake it up If the meter does not wake or if the low battery icon appears on the LCD replace the 9V battery located in the rear battery compartment Turn the rear power switch to OFF when meter is not in use This will optimize the battery life Measurement Considerations Wood and Material Group Numbers 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 Gener
3. al Specifications 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 relative moisture content in of the material under test to a max depth of 20mm Moisture that is closer to the surface of the material under test has a greater effect on the average than moisture deeper in the material The MO280 is an auto calibration device no user calibration is needed Description 1 Moisture reading 2 oe 2 Low battery icon 3 SERERE Material group number 0 9 4 Cosy 4 Data Hold icon 5 Keypad Note Sensor battery compartment and ON OFF switch on reverse side of meter Pinos Moisture Meter Operation Max Measurement depth Sensor area Battery type Display Operating conditions 20mm 0 75 40 x 40mm 1 6 x 1 6 9V rear compartment LCD with sleep mode OC to 50 C 32 F to 122 F 0 to 60 RH non condensing 70 x 133 x 25 4mm 2 75x 5 25x 1 0 160g 5 6 oz with battery Meter Dimensions Weight Battery Replacement You as the end user are legally bound Battery ordinance to return all used batteries and accumulators disposal in the household garbage is prohibited You can hand over your used batteries accumulators gratuitously at the collection points for our branches in your community or wherever batteries accumulators are sold Disposal Follow th
4. e valid legal stipulations in respect of the disposal of the device at the end of its lifecycle Cautions 1 Slide the rear power switch to the ON position 2 IMPORTANT Hold the meter up so that the rear sensor is not covered by your hand or any surface or object If the meter emits chirping tones the sensor is entirely or partially covered 3 Momentarily press the MEASURE button to activate the sensor the LCD display will switch on 4 Press and hold the UP or DOWN button to select a material group 0 to 9 see table below When the desired group is displayed release the button The meter will briefly chirp 5 Firmly press the meter to a smooth flat surface with the sensor side of the meter back touching the material under test and wait for the display to stabilize Note the value on the LCD 6 The meter s audible tones will sound as the reading changes A blinking reading with an urgent chirping sound indicates that the measurement is This device is not a toy and must not reach children s hands It contains hazardous objects as well as small parts that the children could swallow In case a child swallows any of them please contact a physician immediately Do not leave the battery and packing material lying around unattended they can be dangerous for children if they use them as toys In case the device is going to be unused for an extended period of time remove the battery to prevent them from draining Expired
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