EXTECH MO290 USER GUIDE
Contents
1. Grains per kilogram MOIST Moisture mode RH Relative Humidity mode COND Condensation mode APO Auto power off DEW Dew Point temperature C F Temperature units Low battery Laser pointer On MINMAX HIGH LOW INTEXT mBARkPa ee eee H es Jam ZERO Vam APO Cee M0290 V3 1 03 10 Safety Use extreme caution when the laser pointer beam is on Do not point the beam toward anyone s eye or allow the beam to strike the eye from a reflective surface Do not use the laser near explosive gases or in other potentially explosive areas Features Quickly indicates the moisture content of materials with Pinless technology without damaging the surface Optional remote Pin type probe MO290 P allows for moisture readings at different penetration levels 3ft 0 9m cable length Easy to read large dual display with backlit feature Simultaneously displays moisture of wood or material being tested and Air Temperature IR Temperature or Humidity Designed with patented IR design to measure non contact surface temperature 8 1 distance to spot ratio with 0 95 fixed emissivity Built in Humidity Temperature probe measures Relative Humidity Air Temperature plus Grains Per Pound GPP and Dew Point DP Automatic calculation of differential Temperature IR DP Min Max and Data Hold Auto power off and low battery indication Battery Replacement 1 Turn off the meter 2 Remove2. the temperature difference shall be displayed with no other warning e f the temperature of the IRT is 3 14 C 5 25 F above the Dew Point the temperature difference shall be displayed along with a standard Condensation Indicator icon The meter shall beep once to confirm that the reading is in the risk area e lf the temperature of the IRT is less than 3 C 5 F above the Dew Point the temperature difference shall be displayed along with a flashing Condensation Indicator icon The meter shall beep twice to confirm that the reading is in the high risk area Press the RH button to exit the mode Vapor Pressure Mode 1 2 With the Condensation mode active press the MODE button to display the Vapor Pressure in mBAR F or kPa C Press the MODE button to exit the Vapor Pressure mode Alarm High and Low Limit Setting High and Low alarm points can be set for Humidity and Moisture measurements Humidity Alarm Set Procedure gie ON xD With RH displayed simultaneously press the RH and MODE buttons The HIGH icon will appear on the display Press the Aor button to set the high limit desired Press the ALARM SET button to save the value and proceed to the LOW set value With the LOW icon in the display Press the Aor Wbutton to set the low limit desired Press the ALARM SET button to save the value and to return to the normal mode If the humidity measurement is lower than the low alarm set
3. F Greater of 3 5 or 9 F 20 to 1 C 4 5 C 0 C 1 C 1 to 200 C Greater of 3 5 or 4 5 C Display 3 digit primary display 4 digit secondary display Vapor Pressure 0 to 20 0kPA Dew Point 22 to 199 F 30 to 100 C Mixing Ratio 0 999GPP 0 to 160g kg Sample Rate 2 per second Backlight White LED Operating Temperature Storage Temperature Operating Humidity Storage Humidity Power Supply Battery Life Auto Power Off APO APO Quiescent Current Dimensions Weight 40 to 110 F 4 to 43 C 14 to 140 F 30 to 60 C 90 32 86 F 0 30 C 75 86 104 F 30 40 C 45 104 122 F 40 50 C 90 9V battery 6 8 weeks 4 hrs day use using alkaline batteries After 30 minutes nominal inactivity The APO function can be disabled by the user 50yuA maximum 6 5x2 8x1 5 165x70x38mm 7 40z 210g MO290 V3 1 03 10 Warranty EXTECH INSTRUMENTS CORPORATION A FLIR COVPANY 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
4. one Philips head screw and lift off the rear battery cover 3 Replace the 9V battery 4 Secure the rear battery cover 3 M0290 V3 1 03 10 Operation Powering the meter 1 2 3 Remove the RH sensor protective cap before use Press the power button to turn the meter on If the symbol appears or the meter does not turn on replace the battery Humidity Dew point GPP g kg Measurements 1 Press the power button to turn the meter on Press the RH button Relative Humidity will be displayed in the primary display and the temperature will be displayed in the secondary display Press the up or down arrow button to change the temperature units Press the MODE button to display the DEW point Press the MODE button to display GPP F or g kg C Pinless Moisture Measurements Press the power button to turn the meter on Press the MOIST button to select Moisture measurement MOIST and INT internal pinless sensor will appear in the display Hold the meter so that the rear sensor is away from any surface or your hand The reading should be near 0 0 If not press and hold the ZERO button for more than 2 second and the ZERO icon appears Place the rear sensor on the surface of the material to be tested and read the relative moisture content Pin Type Moisture Measurements 1 2 3 Connect the external pin probe to the jack on the bottom of the meter Press the power button to
5. User s Guide EXTECH INSTRUMENTS A FLIR COMPANY Pinless Moisture Humidity Meter IR Model MO290 var en woe conn ZERO w A lac ALARM lt a Se gt Pinless Moisture Humidity eens A R Thermometer M0290 Introduction Congratulations on your purchase of the Extech MO290 Pinless Moisture Meter with Patented Built in IR Thermometer Monitor moisture in wood and other building materials with no surface damage with the Pinless Moisture sensor Pin type Moisture Probe included Measure Humidity and Air Temperature with built in probe plus non contact InfraRed Temperature with patented IR design Advanced functions provide Grains per Pound Dew Point and Vapor Pressure calculations This meter is shipped fully tested and calibrated and with proper use will provide years of reliable service Meter Description CoN OY R GN o D 0e O N oa O IR temperature sensor Laser pointer Humidity sensor Temperature sensor LCD display Relative Humidity button Mode Zero Button IR thermometer button Alarm set button Alarm adjust down button ON OFF power button Remote pin probe input jack bottom Battery compartment rear Alarm adjust up button Moisture Relative button Protective cap LCD Display MIN MAX Minimum and maximum value HIGH LOW Alarm limits INT EXT Internal External probe mBar Vapor pressure kPa Vapor pressure GPP Grains per Pound g kg
6. ration 285 Bear Hill Road Waltham MA 02451 Copyright 2009 Extech Instruments Corporation a FLIR company All rights reserved including the right of reproduction in whole or in part in any form 8 M0290 V3 1 03 10
7. re that the desired target is larger than the spot size As the distance from an object increases the spot size of the area measured by the meter becomes larger The meter s field of view ratio is 8 1 meaning that if the meter is 8 inches cm from the target the diameter spot of the object under test must be at least 1 inch cm Refer below to the field of view diagram r Q 16 reas 20mm 160m 40mm 320mm y Ag irectly view or direct the laser pointer at an eye Low power f ivisible lasers do not normally present a hazard but may present some potential for hazard if viewed directly for extended periods of time 5 MO290 V3 1 03 10 Condensation Mode The Condensation feature alerts the used when the surface temperature as measured by the IR thermometer is close to or has reached the Dew Point temperature 1 2 3 5 Press the power button to turn the meter on Simultaneously press the MOIST REL and RH buttons The COND icon will appear Point the meter at a surface press the IRT button to measure the surface temperature The small display will indicate the IR surface temperature and the large display will indicate the difference between the IR temperature and the Dew Point temperature The meter will then report the potential for condensation on that surface in the following manner e f the temperature of the IRT is more than 14 C 25 F above the Dew Point
8. 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 Calibration and Repair Services Extech offers repair and calibration services for the products we sell Extech also provides NIST certification for most products Call the Customer Care Department for information on calibration services available for this product Extech recommends that annual calibrations be performed to verify meter performance and accuracy Seat 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 Guide Software updates and other up to the minute product information visit our website www extech com Extech Instruments Corpo
9. ting or higher than the high alarm setting the meter will beep once every second Moisture Alarm Set Procedure With MOIST displayed simultaneously press the MOIST REL and MODE buttons The HIGH icon will appear on the display Press the Aor W button to set the high limit desired Press the ALARM SET button to save the value and proceed to the LOW set value With the LOW icon in the display Press the Aor Wbutton to set the low limit desired Press the ALARM SET button to save the value and to return to the normal mode If the moisture measurement is higher than the LOW alarm setting the meter will beep once every second If the moisture measurement is higher than the HIGH alarm setting the meter will beep continuously 6 M0290 V3 1 03 10 Auto Power Off The meter will enter a sleep mode after 30 minutes of inactivity The meter will emit a warning beep 15 seconds before shutting down To disable the APO feature press the MODE button when turning the meter ON The APO icon will not appear indicating it is disabled Specifications Function Range Accuracy Pinless Moisture 0 to 99 9 Relative only Ext Pin Moisture 0 to 99 9 Relative only Pinless Depth Up to 0 75 19mm RH Measurement 0 to 10 3 RH 11 to 90 2 5 RH 91 to 100 3 RH Air Temperature 20 to 170 F 29 to 77 C 3 6 F 2 0 C IR Temp 4 to 31 F 9 F 32 F 2 F 33 to 392
10. turn the meter on Press the MOIST button twice to select Moisture measurement MOIST and EXT external pin probe will appear in the display Press the probe pins into the material and read the moisture content in the display 4 M0290 V3 1 03 10 Infrared Temperature Measurements Press the power button to turn the meter on 2 Press the IRT button to enable the IR thermometer and the laser pointer The laser pointer icon will flash while the mode is active 3 Press the up or down arrow button to change the temperature units Aim the laser pointer at the surface to be measured and read the surface temperature in the secondary display 5 Release the IRT button The last temperature measured and the laser icon will remain on the display for approximately 10 seconds before returning to ambient temperature measurement IRT MAX MIN display The meter can be set to display only the maximum or minimum temperature measured during an IR scan 1 With the meter in the IR hold mode press the MODE button MIN will appear in the display 2 Press the IRT button to enable the IR thermometer The meter will display the minimum temperature measured and will update only when a lower temperature is measured 3 Press the MODE button twice to enable the MAX mode and proceed as stated above for the maximum temperature 4 The MAX or MIN temperature is not stored when the function is exited IR Field of View Ensu
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EXTECH MO290 USER GUIDE