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6                                          

461750-en-US_ V2.5   11/21

 

 

Specifications 

General Specifications 

Display 

5-digit LCD Display 

Range selection 

Automatic range selection 

Time Base 

4MHz Quartz Crystal 

Sampling Time 

1 second (>60 rpm); >1 second (10 to 60 rpm) 

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 

5.9 x 2.0 x 1

.3” (150 x 51 x 33mm) 

Weight 

5.0 oz. (142g) 

 

 

Range Specifications 

Measurement 

Range 

Accuracy 

Rotation 

 

10.000 to 9999 rpm

 

± (0.1% r 2 digits)

 

Surface Speed  

 

3.0000 to 6560.0 ft/min 

± (1.5% r 2digits) 

Surface Speed  

 

1.0000 to 1999.9 m/min 

± (1.5% r 2digits) 

1.0000 to 5000.0 yds/min 

 

 

 

Содержание 461750

Страница 1: ...User Manual Mini Contact Tachometer Model 461750 ...

Страница 2: ...ls Careful use of this tachometer will provide years of reliable service Meter Description 1 RPM adaptor 2 Wheel for linear surface measurements 3 Adaptor shaft 4 Adapter socket 5 Hand Guard 6 Power ON OFF and HOLD button 7 Unit of measure selection button 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 ...

Страница 3: ... 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 turn the device OFF Auto Power OFF 1 The meter turns off AUTOMATICALLY after 20 minutes 2 For 461750 only To disable this feature turn the meter off Then press and hold the POWER and UNITS buttons until the meter turns o...

Страница 4: ...achment 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 object and read the displayed measurement Rotating Wheel Touch the convex or concave attachment to the turning object ...

Страница 5: ... 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 Maintenance Battery Replacement When the 9V battery weakens the low battery indicator appears on the LCD To replace the battery open the rear compartment and exchange the battery Be sure ...

Страница 6: ... 50o 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 5 9 x 2 0 x 1 3 150 x 51 x 33mm Weight 5 0 oz 142g Range Specifications Measurement Range Accuracy Rotation 10 000 to 9999 rpm 0 1 reading 2 digits Surface Speed 3 0000 to 6560 0 ft min 1 5 reading 2digits Surface Speed 1 0000 to...

Страница 7: ...alibration for most of our products Contact us for information on calibration and repair availability refer to the contact information below Annual calibrations should be performed to verify meter performance and accuracy Product specifications are subject to change without notice Please visit our website for the most up to date product information www extech com Contact Customer Support Customer ...

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