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    Portable Contact Digital Tachometer, 0.5 rpm-19999 rpm

    5 out of 5 based on 1 reviews | Write a review
    The portable contact tachometer comes with a range of convenient features including a digital backlit display, automatic switch-off and memory recall, which make it easier to use and ensure accurate measurements. Digital automotive tachometers have a measurement range of 0.5 to 19,999 rpm and a linear speed resolution of 0.05 to 1999.9 m/min. This digital tachometer is ideal for use on motors, machine parts, lathes and other non-contact diagnostic operations.
    SKU: ATO-DT-6235C
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    Delivery date: 6-12 days

    The portable digital contact tachometer is available at an affordable price and offers accurate and reliable readings with a measurement range of 0.5 to 19,999 rpm. The digital contact tachometer can measure rotational speeds and speed limits and is suitable for use in the manufacture of motors, fans, paper, washing machines, automobiles, aircraft, ships and more.


    • Model: ATO-DT-6235C
    • Display: 5-digit LCD
    • Accuracy: ±(0.05% + 1 digit)
    • Non-Contact Speed: 0.5-19999 rpm
    • Speed Resolution: 0.1 rpm (0.5~999.9 rpm), 1rpm ((above 1000 rpm)
    • Sampling Time: 0.8 Seconds (over 60 rpm)
    • Measuring Distance: 50mm to 200mm
    • Time Base: 4MHz quartz crystal
    • Working Current: Approx. 40mA
    • Range Selection: Automatic switching
    • Memory: Automatic memory of maximum, minimum and last values
    • Battery: 3 AAA Batteries
    • Operating Temperature: 0C to 50°C ( 32 to 122°F)
    • Dimensions: 157x64x37mm
    • Weight: 100g


    • The portable laser tachograph features a highly sensitive laser sensor for reliability and safety.
    • The non-contact laser tachometer has a large HD digital display for clear readings and easy measurement.
    • The portable non-contact type digital tachometer has a memory function that automatically stores the maximum, minimum and last value of the measurement in the meter after the measurement is completed, which can be viewed by pressing the memory button.

    Dimension: (Unit: mm)

    Portable contact digital tachometer dimension


    Digital tachometers are commonly used in various industrial and automotive applications where it is necessary to measure the rotational speed of a shaft or engine. They are often used in manufacturing plants for quality control and monitoring purposes, as well as in the automotive industry for engine testing and tuning. Digital tachometers can also be found in marine and aviation industries, where they are used to monitor the speed of propellers and turbines. Additionally, they are often used in research and development settings, such as in wind tunnel testing and in the development of new engines and machinery.

    Digital tachometers applications

    Tips: What is the accuracy of digital tachometer?

    The accuracy of a digital tachometer can vary depending on the quality of the device, its design and the specific conditions under which it is being used. Typically, digital tachometers have an accuracy of around +/- 0.1% to +/- 0.5% of the measured value. However, some high-end models may have even greater accuracy.

    It's important to note that the accuracy of a digital tachometer can also be affected by factors such as vibration, temperature changes, and electromagnetic interference. Additionally, the accuracy of the device may decrease over time as it undergoes wear and tear or becomes exposed to external conditions that impact its performance.

    To ensure the most accurate readings possible, it's important to calibrate the digital tachometer regularly according to the manufacturer's instructions and to use it in a stable and controlled environment.

    Existing reviews of Portable Contact Digital Tachometer, 0.5 rpm-19999 rpm
    This digital tachometer works great!
    I recently purchased this digital tachometer for my woodworking shop and it has been a great addition to my tool collection. It is very easy to use and helps me make sure my power tools are running at the correct speed.
    From: Logan | Date: 21/03/2023
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