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User's Guide 

 
 
 
 
Digital Vane Thermo-Anemometer 
 
Model 451104

 

 

Summary of Contents for 451104

Page 1: ...User s Guide Digital Vane Thermo Anemometer Model 451104 ...

Page 2: ...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 Introduction Congratulations on your purchase of the Extech 451104 Vane Thermo Anemometer This device measures air velocity and temperature displ...

Page 3: ...LD mode 2 To exit this mode press the HOLD button again the Hold display icon will switch off Selecting the units of measure The meter can be used in either the feet per minute o F mode or the meters per second o C mode In the ft m mode the available air velocity units are ft min feet per minute mil h miles per hour and knots nautical miles per hour Use the UNIT button to change the unit of measur...

Page 4: ...EC only mode In this mode the meter is still tracking the MIN MAX and AVG readings but only displaying the current readings In this mode only the REC display icon will be on 4 To exit the RECORD mode press and hold the RECORD button until two beeps are heard When the meter has successfully exited the RECORD mode the MIN MAX AVG and REC indicators will be off 5 Note that the RECORD mode time limit ...

Page 5: ... included with the 407752 kit or contact Extech Instruments Battery Replacement The meter is powered by one 9V Battery If the display does not switch on when the ON OFF button is pressed replace the battery using the procedure below 1 Remove the Phillips head screw at the rear of the meter refer to diagram 2 Open the battery compartment by removing the compartment cover 3 Unsnap the old battery fr...

Page 6: ...Meter Power 9V battery Battery life 100 hours of continuous use Auto Power OFF Meter turns off after 20 minutes automatically Weight 1 5 lb 680g Meter Dimensions 7 20 x 2 99 x 1 77 183 x 76 x 45 mm Sensor Vane Diameter 2 9 70mm Accessories 9V battery and hard carry case Range Specifications Range Resolution Accuracy Full Scale 80 5900 ft min 1 0 40 30 00 m sec 0 01 0 9 68 0 mph 0 8 58 0 knots 1 4 ...

Page 7: ... visit our website www extech com 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 Service Department for information on calibration services available for this product Extech recommends that annual calibrations be performed to verify meter performance and accuracy Copy...

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