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  2. Weighing scale - Wikipedia

    en.wikipedia.org/wiki/Weighing_scale

    The balance (also balance scale, beam balance and laboratory balance) was the first mass measuring instrument invented. [1] In its traditional form, it consists of a pivoted horizontal lever with arms of equal length – the beam or tron – and a weighing pan [10] suspended from each arm (hence the plural name "scales " for a weighing instrument).

  3. Decimal balance - Wikipedia

    en.wikipedia.org/wiki/Decimal_balance

    Old decimal balance scale A drawing to illustrate a design with two-point support of the platform. A decimal balance or decimal scale is a balance scale which uses the lever in which the arm for weights is 10 times longer than the arm for weighted objects, so that much lighter weights may be used to weigh heavy object. [1]

  4. Calibration - Wikipedia

    en.wikipedia.org/wiki/Calibration

    The formal definition of calibration by the International Bureau of Weights and Measures (BIPM) is the following: "Operation that, under specified conditions, in a first step, establishes a relation between the quantity values with measurement uncertainties provided by measurement standards and corresponding indications with associated measurement uncertainties (of the calibrated instrument or ...

  5. Check weigher - Wikipedia

    en.wikipedia.org/wiki/Check_weigher

    A weigh belt. This is typically mounted on a weight transducer which can typically be a strain-gauge load cell or a servo-balance (also known as a force-balance), or sometimes known as a split-beam. Some older machines may pause the weigh bed belt before taking the weight measurement. This may limit line speed and throughput.

  6. Truck scale - Wikipedia

    en.wikipedia.org/wiki/Truck_scale

    Together with the weighing terminal and the software, the weight of the individual wagons or the bogies is determined dynamically during the passage at up to 10 km/h. Advantages: Weighing accuracy class up to 0.2 for individual wagon weights in accordance with calibration regulations and OIML-R 106,

  7. Standard (metrology) - Wikipedia

    en.wikipedia.org/wiki/Standard_(metrology)

    The international prototype of the kilogram (IPK) is an artefact or prototype that was defined to have a mass of exactly one kilogram.. In metrology (the science of measurement), a standard (or etalon) is an object, system, or experiment that bears a defined relationship to a unit of measurement of a physical quantity. [1]

  8. Woman’s Seizure ‘Saved My Life’ After Learning Her ‘Subtle ...

    www.aol.com/woman-seizure-saved-life-learning...

    The condition, which occurs due to a portion of the skull being misshapen or too small, can cause symptoms like headaches, dizziness and vertigo, weak muscles, difficulty with balance or ...

  9. Spring scale - Wikipedia

    en.wikipedia.org/wiki/Spring_scale

    A spring scale, spring balance or newton meter is a type of mechanical force gauge or weighing scale. It consists of a spring fixed at one end with a hook to attach an object at the other. [ 1 ] It works in accordance with Hooke's Law , which states that the force needed to extend or compress a spring by some distance scales linearly with ...