Tachometers | Revolution Counters | RS
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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 complete 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)

    55 Products showing for Tachometers

    RS PRO
    ±0.05% + 1 digit
    -
    Contact, Non Contact
    -
    -
    9V
    LCD
    -
    60 x 42 x 160mm
    160g
    160mm
    60mm
    -
    -
    -
    RS PRO
    ±0.02 %
    -
    Contact, Non Contact
    -
    -
    AA
    LCD
    99999rpm
    170 x 70 x 40mm
    250g
    40mm
    170mm
    +50°C
    0°C
    0rpm
    RS PRO
    ±0.05 %
    -
    Non Contact
    -
    -
    9V
    LCD
    -
    60 x 42 x 160mm
    151g
    160mm
    60mm
    -
    -
    -
    RS PRO
    ±0.05 %
    -
    Contact, Optical
    DT-2236
    -
    1.5 V AA
    LCD
    99999rpm
    65 x 38 x 215mm
    280g
    215mm
    65mm
    +50°C
    0°C
    0.5rpm
    RS PRO
    ±0.02 %
    -
    Non Contact
    -
    -
    AA
    LCD
    99999rpm
    170 x 70 x 40mm
    250g
    40mm
    170mm
    +50°C
    0°C
    0rpm
    RS PRO
    ±0.05 %
    -
    Laser
    DT-2234BL W/CA-05A
    -
    1.5 V AA
    LCD
    99999rpm
    72 x 37 x 190mm
    250g
    190mm
    72mm
    +50°C
    0°C
    10rpm
    RS PRO
    ±0.05 %
    -
    Optical
    DT-2234B
    -
    AA
    LCD
    99999rpm
    72 x 37 x 208mm
    280g
    208mm
    72mm
    +50°C
    0°C
    5rpm
    RS PRO
    ±0.02 %
    RSCAL
    Contact, Non Contact
    -
    -
    AA
    LCD
    99999rpm
    170 x 70 x 40mm
    250g
    40mm
    170mm
    +50°C
    0°C
    0rpm
    RS PRO
    ±0.02 %
    RSCAL
    Non Contact
    -
    -
    AA
    LCD
    99999rpm
    170 x 70 x 40mm
    250g
    40mm
    170mm
    +50°C
    0°C
    0rpm
    RS PRO
    ±0.05 %
    -
    Contact
    DT-2235B
    -
    1.5 V AA
    LCD
    19999rpm
    72 x 37 x 208mm
    280g
    208mm
    72mm
    +50°C
    0°C
    0.5rpm
    RS PRO
    ±0.05 %
    RSCAL
    Contact, Optical
    DT-2236
    -
    1.5 V AA
    LCD
    19999 (Contact Tachometer) rpm, 99999 (Photo Tachometer) rpm
    65 x 38 x 215mm
    280g
    215mm
    65mm
    +50°C
    0°C
    0.5 (Contact Tachometer) rpm, 5 (Photo Tachometer) rpm
    SKF
    ±0.05 %
    -
    Contact, Optical
    TKRT 10
    12 h
    9V
    LCD
    99999rpm
    60 x 42 x 160mm
    160g
    160mm
    60mm
    +50°C
    0°C
    2rpm
    RS PRO
    ±0.05 %
    RSCAL
    Optical
    DT-2234B
    -
    AA
    LCD
    99999rpm
    72 x 37 x 208mm
    280g
    208mm
    72mm
    +50°C
    0°C
    5rpm
    Compact Instruments
    ±0.05 %
    -
    Laser
    A2103/LSR
    -
    AAA
    LCD
    99999rpm
    -
    -
    -
    -
    -
    -
    3rpm
    SKF
    ±0.01 %
    -
    Contact, Digital, Non Contact
    TKRT 21
    3.30 → 8 h
    AA
    LCD
    -
    -
    -
    -
    -
    -
    -
    -
    Testo
    ±0.02
    -
    Non Contact
    testo 460
    20 H
    2 AAA micro
    Digital
    29999rpm
    -
    -
    -
    -
    -
    -
    -
    Testo
    ±0.02 %
    -
    Contact, Optical
    470
    40 h
    AA
    LCD
    99999rpm
    175 x 60 x 28mm
    190g
    6.9in
    2.4in
    +50°C
    0°C
    1rpm
    Compact
    ±0.05 %
    -
    Optical
    CT6
    -
    AAA
    LED
    99999rpm
    -
    -
    -
    -
    -
    -
    3rpm
    SKF
    ±0.01 %
    -
    Digital
    -
    12 h
    AA
    TFT
    -
    295 x 70 x 38mm
    270g
    70mm
    296mm
    +40°C
    0°C
    -
    Extech
    ±0.05 %
    -
    Digital
    461950
    -
    -
    LED
    99990rpm
    -
    -
    -
    -
    -
    -
    -
    Resultater per side

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