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User's Guide 

Mini Photo Tachometer Model 461700 

Mini Contact Tachometer Model 461750 

Extech 461700 PocketTach Mini Photo Tachometer

Extech 461700-NIST PocketTach Mini Photo Tachometer

actoolsupply.com

actoolsupply.com

actoolsupply.com

Summary of Contents for 461700

Page 1: ...i Photo Tachometer Model 461700 Mini Contact Tachometer Model 461750 Extech 461700 PocketTach Mini Photo Tachometer Extech 461700 NIST PocketTach Mini Photo Tachometer actoolsupply com actoolsupply com actoolsupply com ...

Page 2: ...omatic range selection Time Base 4MHz Quartz Crystal Sampling Time 1 second 60 rpm 1 second 10 to 60 rpm Photo Tachometer Distance 2 to 12 5 to 30cm Operating Temperature 32 to 122 o F 0 to 50 o C Operating Humidity 80 RH Max Power supply 9V Battery Battery Life 40 hours approx Applicable standards EN 50081 1 1992 EN 55022 EN 50082 1 1997 EN 55024 Dimensions 461700 4 9 x 2 0 x 1 3 124 x 51 x 33mm ...

Page 3: ...cs 5 Hand Guard 461750 only 6 Power ON OFF and HOLD button 7 Unit of measure selection button 461750 only 8 LCD Display 9 Alternate Power ON OFF button Note that the battery compartment is located on the rear of the instrument Display Description 1 Low Battery 2 Data Hold 3 Rotations per minute 4 Meters per minute Feet per minute Yards per minute actoolsupply com actoolsupply com ...

Page 4: ...he Data Hold section of this manual Meter Power Power ON OFF 1 Press the triangular POWER HOLD button to turn the device ON Alternatively press the button at the bottom of the meter just under the LCD which doubles as a power on off button Two buttons are provided for easy reach at any holding angle 2 Press and hold the triangular POWER HOLD button or the alternate button for approx 5 seconds to t...

Page 5: ...esults The distance from meter to object can be up to 12 30cm 5 Read the RPM rotations per minute measurement on the LCD 461750 Contact Tachometer 1 Affix the convex cone or concave funnel attachment that best fits the application to the meter shaft as shown below 2 Turn the meter ON 3 Use the UNITS button to select RPM the display will reflect the selection 4 Touch the attachment to the moving ob...

Page 6: ...ct the unit of measure ft min feet per minute m min meters per minute yds min yards per minute Data Hold Feature After the meter is turned on the POWER HOLD button can be pressed and released to activate Data Hold Data Hold automatically freezes the displayed reading While the reading is held the HOLD display icon switches on Press the POWER HOLD button again to exit this mode Conveyor belt Touch ...

Page 7: ...warranty applies on 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 for authorization or visit our website click on Contact Extech and go to Service Department to request an RA number A Return Authorization RA number must be issued before any product is returned to Extech The sender i...

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