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MO290  V3.1  03/10 

 

Support line (781) 890-7440 

Technical Support: Extension 200; E-mail: [email protected] 

Repair & Returns: Extension 210; E-mail: [email protected] 

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 Corporation, 285 Bear Hill Road, Waltham, MA 02451 

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 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 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. 
 
 

 

 

 
 
 
 
 
 
 
 
 

Copyright 

©

 2009 Extech Instruments Corporation (a FLIR company) 

All rights reserved including the right of reproduction in whole or in part in any form. 

 
 
 
 
 
 

Summary of Contents for MO290

Page 1: ...User s Guide Pinless Moisture Humidity Meter IR Model MO290...

Page 2: ...Description 1 IR temperature sensor 2 Laser pointer 3 Humidity sensor 4 Temperature sensor 5 LCD display 6 Relative Humidity button 7 Mode Zero Button 8 IR thermometer button 9 Alarm set button 10 Al...

Page 3: ...asy 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...

Page 4: ...surements 1 Press the power button to turn the meter on 2 Press the MOIST button to select Moisture measurement MOIST and INT internal pinless sensor will appear in the display 3 Hold the meter so tha...

Page 5: ...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 butto...

Page 6: ...the mode Vapor Pressure Mode 1 With the Condensation mode active press the MODE button to display the Vapor Pressure in mBAR F or kPa C 2 Press the MODE button to exit the Vapor Pressure mode Alarm H...

Page 7: ...31 F 9 F 32 F 2 F 33 to 392 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...

Page 8: ...s 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...

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