Extech Instruments 461750 User Manual
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Extech Instruments 461750 User Manual

Mini contact tachometer
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User Manual
Mini Contact Tachometer
Model 461750

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Summary of Contents for Extech Instruments 461750

  • Page 1 User Manual Mini Contact Tachometer Model 461750...

  • Page 2: Meter Description

    Introduction Congratulations on your purchase of the Extech Tachometer. The Model 461750 Contact Tachometer uses convex and concave attachments to measure RPM. It also has a built-in wheel to measure the linear surface speed of moving devices such as conveyors and treadmills. Careful use of this tachometer will provide years of reliable service.

  • Page 3: Safety Precautions

    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 on. Release the POWER button first and the ‘n’ display icon will appear.
  • Page 4 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 461750-en-US_ V2.5 11/21...

  • Page 5: Maintenance

    Be sure to replace the compartment cover securely prior to meter use. Meter Cleaning Wipe the meter housing with a damp cloth only. Do not use any abrasives or solvents. 461750-en-US_ V2.5 11/21...

  • Page 6: Specifications

    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 1999.9 m/min ± (1.5% reading + 2digits) 1.0000 to 5000.0 yds/min 461750-en-US_ V2.5 11/21...

  • Page 7: Two Year Warranty

    Contact Customer Support Customer Support Telephone List: https://support.flir.com/contact Calibration, Repair, and Returns: repair@extech.com Technical Support: https://support.flir.com Copyright © 2021 Teledyne FLIR LLC All rights reserved including the right of reproduction in whole or in part in any form www.extech.com 461750-en-US_ V2.5 11/21...

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