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    Tachometers

    A tachometer, or revolution counter, measures the rotation speed of an object within a machine. The value is typically displayed in revolutions per minute (RPM) via analogue dial or digital display. Tachometers are used to measure speed of rotation and some can measure linear speed and distance too. You can learn more in our guide to tachometers.

    How does it measure?

    Contact tachometers take measurement using physical contact, for example a funnel, wheel or tip. These instruments gather the data for the tachometer. Non-contact tachometers often use a laser or optical disc to measure and are ideal for mobile applications.

    Tachometers are used in:

    Machinery

    Automotive

    Trains

    Laser instruments

    Laboratories

    Marine engineering

    Medicine (blood flow)

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    41 Products
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    Category
    Battery Life
    Battery Type
    Display Type
    Dimensions
    Weight
    Height
    Length
    Maximum Operating Temperature
    Maximum Speed
    Minimum Operating Temperature
    Minimum Speed
    Product Details
    Price
    Brand
    Best Accuracy
    Calibrated
    Category
    Battery Life
    Battery Type
    Display Type
    Dimensions
    Weight
    Height
    Length
    Maximum Operating Temperature
    Maximum Speed
    Minimum Operating Temperature
    Minimum Speed
    RS PRO
    ±0.05 %
    -
    Laser
    -
    1.5 V AA
    LCD
    72 x 37 x 190mm
    250g
    190mm
    72mm
    +50°C
    99999rpm
    0°C
    10rpm
    RS PRO
    ±0.05 %
    RSCAL
    Laser
    -
    1.5 V AA
    LCD
    72 x 37 x 190mm
    250g
    190mm
    72mm
    +50°C
    99999rpm
    0°C
    10rpm
    RS PRO
    ±0.05 %
    -
    Contact
    -
    1.5 V AA
    LCD
    72 x 37 x 208mm
    280g
    208mm
    72mm
    +50°C
    19999rpm
    0°C
    0.5rpm
    RS PRO
    ±0.05 %
    RSCAL
    Contact, Optical
    -
    1.5 V AA
    LCD
    65 x 38 x 215mm
    280g
    215mm
    65mm
    +50°C
    19999 (Contact Tachometer) rpm, 99999 (Photo Tachometer) rpm
    0°C
    0.5 (Contact Tachometer) rpm, 5 (Photo Tachometer) rpm
    RS PRO
    ±0.05 %
    -
    Contact, Optical
    -
    1.5 V AA
    LCD
    65 x 38 x 215mm
    280g
    215mm
    65mm
    +50°C
    99999rpm
    0°C
    0.5rpm
    RS PRO
    ±0.02 %
    RSCAL
    Contact, Non Contact
    -
    AA
    LCD
    170 x 70 x 40mm
    250g
    40mm
    170mm
    +50°C
    99999rpm
    0°C
    0rpm
    RS PRO
    ±0.02 %
    -
    Contact, Non Contact
    -
    AA
    LCD
    170 x 70 x 40mm
    250g
    40mm
    170mm
    +50°C
    99999rpm
    0°C
    0rpm
    RS PRO
    ±0.02 %
    RSCAL
    Non Contact
    -
    AA
    LCD
    170 x 70 x 40mm
    250g
    40mm
    170mm
    +50°C
    99999rpm
    0°C
    0rpm
    RS PRO
    ±0.02 %
    -
    Non Contact
    -
    AA
    LCD
    170 x 70 x 40mm
    250g
    40mm
    170mm
    +50°C
    99999rpm
    0°C
    0rpm
    RS PRO
    ±0.05 %
    RSCAL
    Optical
    -
    AA
    LCD
    72 x 37 x 208mm
    280g
    208mm
    72mm
    +50°C
    99999rpm
    0°C
    5rpm
    RS PRO
    ±0.05 %
    -
    Optical
    -
    AA
    LCD
    72 x 37 x 208mm
    280g
    208mm
    72mm
    +50°C
    99999rpm
    0°C
    5rpm
    RS PRO
    ±0.5 %
    -
    Contact
    -
    -
    Dial
    155 x 85 x 55mm
    250g
    55mm
    155mm
    +40°C
    10000rpm
    0°C
    10rpm
    RS PRO
    ±0.05% + 1 digit
    -
    Contact, Non Contact
    -
    9V
    LCD
    60 x 42 x 160mm
    160g
    160mm
    60mm
    -
    -
    -
    -
    RS PRO
    ±0.05 %
    -
    Non Contact
    -
    9V
    LCD
    60 x 42 x 160mm
    151g
    160mm
    60mm
    -
    -
    -
    -
    SKF
    ±0.05 %
    -
    Contact, Optical
    12 h
    9V
    LCD
    60 x 42 x 160mm
    160g
    160mm
    60mm
    +50°C
    99999rpm
    0°C
    2rpm
    Trumeter
    ±0.01% + 1 Digit
    -
    Contact, Non Contact
    -
    9V
    -
    29 x 49 x 147mm
    95g
    147mm
    29mm
    +50°C
    99999rpm
    0°C
    6rpm
    Testo
    ±0.02 %
    -
    Contact, Optical
    40 h
    AA
    LCD
    175 x 60 x 28mm
    190g
    6.9in
    2.4in
    +50°C
    99999rpm
    0°C
    1rpm
    Compact
    ±0.05 %
    -
    Optical
    -
    AAA
    LED
    -
    -
    -
    -
    -
    99999rpm
    -
    3rpm
    Compact
    ±0.05 %
    RSCAL
    Optical
    -
    AAA
    LED
    -
    -
    -
    -
    -
    99999rpm
    -
    3rpm
    Compact
    ±0.05 %
    -
    Laser
    -
    AAA
    LCD
    210 x 40 x 35mm
    400g
    35mm
    210mm
    +40°C
    99999rpm
    -20°C
    3rpm
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