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2. 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.

3. Air Force Metrology and Calibration Program Office - Wikipedia

   en.wikipedia.org/wiki/Air_Force_Metrology_and...

   AFMETCAL (Air Force METrology and CALibration Program Office), located in Heath, Ohio is the primary manager of metrology services for the U.S. Air Force. It retains engineering authority for all calibrations performed in the PMEL labs throughout the Air Force, and oversees the contractor managed and operated Air Force Primary Standards Lab ...

4. List of measuring instruments - Wikipedia

   en.wikipedia.org/wiki/List_of_measuring_instruments

   micrometer: small distances multimeter: electrical potential, resistance, and current nephoscope: to measure the speed and direction of clouds nephelometer: particle in a liquid odometer: distance travelled ohmmeter: electrical resistance opisometer: lengths of arbitrary curved lines orchidometer: testicle size in male humans oscilloscope ...

5. Micrometer (device) - Wikipedia

   en.wikipedia.org/wiki/Micrometer_(device)

   Tube micrometers have a cylindrical anvil positioned perpendicularly to a spindle and is used to measure the thickness of tubes. Micrometer stops are micrometer heads that are mounted on the table of a manual milling machine, bedways of a lathe, or other machine tool, in place of simple stops. They help the operator to position the table or ...

6. Gauge block - Wikipedia

   en.wikipedia.org/wiki/Gauge_block

   calibration (AA): (tolerance +0.10 μm to −0.05 μm) used to calibrate inspection blocks and very high precision gauging inspection (A): (tolerance +0.15 μm to −0.05 μm) used as toolroom standards for setting other gauging tools

7. Filar micrometer - Wikipedia

   en.wikipedia.org/wiki/Filar_micrometer

   The precursor to the filar micrometer was the micrometer eyepiece, invented by William Gascoigne. Earlier measures of angular distances relied on inserting into the eyepiece a thin metal sheet cut in the shape of a narrow, isosceles triangle. The sheet was pushed into the eyepiece until the two adjacent edges of the metal sheet simultaneously ...