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8 Items

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  1. 461750
    461750
    Extech Instruments Handheld Tachometers, 461 Series
    Item Number
    461750
    MFG Item Number
    461750
    Series
    461
    Product Description
    TACHOMETER, CONTACT POCKETTACH
    Specifications
    Specifications
    Max RPM 99,999 RPM
    Cal. Wheel Yes
    Accuracy 1.5 %
    NIST Certified No
    Multiple Measuring Units Yes
    Memory Yes
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  2. 461750-NIST
    461750-NIST
    Extech Instruments Handheld Tachometers, 461 Series
    Item Number
    461750-NIST
    MFG Item Number
    461750-NIST
    Series
    461
    Product Description
    TACHOMETER WITH NIST #461750
    Specifications
    Specifications
    Max RPM 99,999 RPM
    Cal. Wheel Yes
    Accuracy 1.5 %
    NIST Certified Yes
    Multiple Measuring Units Yes
    Memory Yes
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  3. 461891-NIST
    461891-NIST
    Extech Instruments Handheld Tachometers, 461 Series
    Item Number
    461891-NIST
    MFG Item Number
    461891-NIST
    Series
    461
    Product Description
    TACHOMETER W/NIST, 461891
    Specifications
    Specifications
    Max RPM 99,999 RPM
    Cal. Wheel Yes
    Accuracy 0.05 %
    NIST Certified Yes
    Multiple Measuring Units Yes
    Memory No
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  4. 461895
    461895
    Extech Instruments Handheld Tachometers, 461 Series
    Item Number
    461895
    MFG Item Number
    461895
    Series
    461
    Product Description
    Combination Photo/Contact Tachometer
    Specifications
    Specifications
    Max RPM 99,999 RPM
    Cal. Wheel Yes
    Measuring Distance 60 '
    Accuracy 0.05 %
    NIST Certified Yes
    Multiple Measuring Units Yes
    Memory Yes
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  5. 461895-NIST
    461895-NIST
    Extech Instruments Handheld Tachometers, 461 Series
    Item Number
    461895-NIST
    MFG Item Number
    461895-NIST
    Series
    461
    Product Description
    Tachometer, W/NIST
    Specifications
    Specifications
    Max RPM 99,999 RPM
    Cal. Wheel Yes
    Measuring Distance 60 '
    Accuracy 0.05 %
    NIST Certified Yes
    Multiple Measuring Units Yes
    Memory Yes
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  6. 461950
    461950
    Extech Instruments Handheld Tachometers, 461 Series
    Item Number
    461950
    MFG Item Number
    461950
    Series
    461
    Product Description
    PANEL TACHOMETER
    Specifications
    Specifications
    Max RPM 99,990 RPM
    Cal. Wheel No
    Accuracy 0.05 %
    NIST Certified No
    Multiple Measuring Units Yes
    Memory No
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  7. 461995
    461995
    Extech Instruments Handheld Tachometers, 461 Series
    Item Number
    461995
    MFG Item Number
    461995
    Series
    461
    Product Description
    Laser Photo/Contact Tachometer
    Specifications
    Specifications
    Max RPM 99,999 RPM
    Cal. Wheel Yes
    Measuring Distance 65 '
    Accuracy 0.05 %
    NIST Certified Yes
    Multiple Measuring Units Yes
    Memory Yes
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  8. 461995-NIST
    461995-NIST
    Extech Instruments Handheld Tachometers, 461 Series
    Item Number
    461995-NIST
    MFG Item Number
    461995-NIST
    Series
    461
    Product Description
    TACHOMETER W/NIST
    Specifications
    Specifications
    Max RPM 99,999 RPM
    Cal. Wheel No
    Measuring Distance 65 '
    Accuracy 0.05 %
    NIST Certified Yes
    Multiple Measuring Units Yes
    Memory Yes
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
per page

Test & Measurement

Test and measurement equipment measure, detect and record values and conditions for machinery, equipment and work environments. These devices are often handheld, with straightforward operating characteristics and the durability needed to work in the field.

The primary electronics testing device is the digital multimeter (DMM), a test tool used to measure electrical values. The basic requirement of the multimeter is the ability to test voltage, current and resistance, but many modern digital multimeters offer greater functionality.

Standalone meters can measure any one variable at a time, sacrificing flexibility for lower costs. These include resistance meters, volt meters or volt pens, and more specific measurement devices like phase rotation testers, anemometers, distance meters and more. In many cases, improved technology, much of this equipment can provide non-contact measurements and even connect to smartphones or PCs to save data and transmit results over local networks.

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