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  2. Calibration - Wikipedia

    en.wikipedia.org/wiki/Calibration

    The term "calibration" was likely first associated with the precise division of linear distance and angles using a dividing engine and the measurement of gravitational mass using a weighing scale. These two forms of measurement alone and their direct derivatives supported nearly all commerce and technology development from the earliest ...

  3. Weighing scale - Wikipedia

    en.wikipedia.org/wiki/Weighing_scale

    An industrial weighing scale is a device that measures the weight or mass of objects in various industries. It can range from small bench scales to large weighbridges, and it can have different features and capacities. Industrial weighing scales are used for quality control, inventory management, and trade purposes.

  4. Truck scale - Wikipedia

    en.wikipedia.org/wiki/Truck_scale

    Static reference scale required for dynamic calibration, which increases the costs for recalibration, Costly substructure/track construction work required (to ensure long-term stability, a resin-based ballast bonding is usually used for the weighing track. A procedure that creates an almost fixed track).

  5. Check weigher - Wikipedia

    en.wikipedia.org/wiki/Check_weigher

    It is usual for a built-in computer to take many weight readings from the transducer over the time that the package is on the weigh bed to ensure an accurate weight reading. Calibration is critical. A lab scale, which usually is in an isolated chamber pressurized with dry nitrogen (pressurized at sea level) can weigh an object within plus or ...

  6. Load cell - Wikipedia

    en.wikipedia.org/wiki/Load_cell

    Annual re-calibration is considered best practice by many load cell users for ensuring the most accurate measurements. Standard calibration tests will use linearity and repeatability as a calibration guideline as these are both used to determine accuracy. Calibration is conducted incrementally starting working in ascending or descending order.

  7. Scale test car - Wikipedia

    en.wikipedia.org/wiki/Scale_test_car

    A Canadian scale test car owned by Canadian National A British scale test car. A scale test car is a type of railroad car in maintenance of way service. Its purpose is to calibrate the weighing scales used to weigh loaded railroad cars. Scale test cars are of a precisely known weight so that the track scale can be calibrated against them. [1]

  8. Precision measurement equipment laboratory - Wikipedia

    en.wikipedia.org/wiki/Precision_Measurement...

    The technicians who work in the PMEL will often specialize in one of these sections. The K-Sections are derived from the primary function of the TMDE. This is based upon the calibration authority. Most labs have three calibration sections divided into K1/K8, K5/K6 and K3/K4 that specialize in like test equipment.

  9. Vernier scale - Wikipedia

    en.wikipedia.org/wiki/Vernier_scale

    So for a vernier with a constant of 0.1, each mark on the vernier is spaced 9/10 of those on the main scale. If you put the two scales together with zero points aligned, the first mark on the vernier scale is 1/10 short of the first main scale mark, the second is 2/10 short, and so on up to the ninth mark, which is misaligned by 9/10.

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