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  2. Uline - Wikipedia

    en.wikipedia.org/wiki/Uline

    Uline was founded in 1980 by Elizabeth "Liz" and Richard "Dick" Uihlein. Richard Uihlein is a descendant of the brewers of Schlitz beer. [1] With start-up funds from his father, Edgar Uihlein, Richard and Elizabeth founded the company from their basement after recognizing a local need for a shipping supply distributor.

  3. Device under test - Wikipedia

    en.wikipedia.org/wiki/Device_under_test

    A device under test (DUT), also known as equipment under test (EUT) and unit under test (UUT), is a manufactured product undergoing testing, either at first manufacture or later during its life cycle as part of ongoing functional testing and calibration checks. This can include a test after repair to establish that the product is performing in ...

  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. Calibration curve - Wikipedia

    en.wikipedia.org/wiki/Calibration_curve

    A calibration curve plot showing limit of detection (LOD), limit of quantification (LOQ), dynamic range, and limit of linearity (LOL).. In analytical chemistry, a calibration curve, also known as a standard curve, is a general method for determining the concentration of a substance in an unknown sample by comparing the unknown to a set of standard samples of known concentration. [1]

  6. Deadweight tester - Wikipedia

    en.wikipedia.org/wiki/Deadweight_tester

    A dead weight tester (DWT) is a calibration standard method that uses a piston cylinder on which a load is placed to make an equilibrium with an applied pressure underneath the piston. Deadweight testers are secondary standards which means that the pressure measured by a deadweight tester is defined through other quantities: length, mass and time.

  7. No. 529 Squadron RAF - Wikipedia

    en.wikipedia.org/wiki/No._529_Squadron_RAF

    No. 529 Squadron was formed on 15 June 1943 from No. 1448 Flight [3] at RAF Halton. [4] This flight under the experienced rotary aircraft pilot Squadron Leader Alan Marsh had pioneered radar calibration using Autogyros and light aircraft and the squadron continued to do this until after the end of World War II.

  8. Load cell - Wikipedia

    en.wikipedia.org/wiki/Load_cell

    For example, in the case of a 60 tonne load cell, then specific test weights that measure in 5, 10, 20, 40 and 60 tonne increments may be used; a five step calibration process is usually sufficient for ensuring a device is accurately calibrated. Repeating this five-step calibration procedure 2-3 times is recommended for consistent results. [16]

  9. Vernier scale - Wikipedia

    en.wikipedia.org/wiki/Vernier_scale

    Only when a full ten marks are counted, is there alignment, because the tenth mark is 10/10—a whole main scale unit—short, and therefore aligns with the ninth mark on the main scale. (In simple words, each VSD = 0.9 MSD , so each decrement of length 0.1 adds 10 times to make one MSD only in 9 divisions of vernier scale division).