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Precision measurement equipment laboratory : ウィキペディア英語版
Precision measurement equipment laboratory
A Precision Measurement Equipment Laboratory (PMEL) is a United States Air Force (USAF) facility in which the calibration and repair of test equipment takes place. This practice is also known as metrology: ''the science of measurement''. Metrology is defined as the science of weights & measures, while a PMEL is the place where technicians perform all of the metrology for the U.S. Air Force. Airmen in this career field are primarily responsible for the repair, calibration, and modification of test, measurement, and diagnostic equipment (TMDE), including precision measurement equipment laboratory standards and automatic test equipment. They also supervise the process and use of TMDE to perform voltage, current, power, impedance, frequency, microwave, temperature, physical-dimensional, and optical measurements. They perform these functions in a strictly controlled laboratory environment where the temperature and humidity are constantly monitored.The Air Force Specialty Code (AFSC) of airmen trained to work in the PMEL is 2P0X1 replacing 324X0 where "X" represents a variable number which denotes the level of expertise of the individual. There are also defense contractors and government civilians who perform this job. The Air Force's PMELs are governed by AFMETCAL (Air Force Metrology and Calibration Program)
==Calibration sections==

Typically Electronic test equipment is maintained in different calibration sections (K-Sections). 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 (Test Measurement and Diagnostic Equipment). 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.
For example the K3/K4 section would maintain Frequency counter, Oscilloscope, Synthesized Signal Generator and power sensor. While K1/K8 would maintain digital multimeter, high voltage probe and resistance standards. Lastly K5/K6 would deal with truck scales, pressure gauges, optics and micrometers.
The sections are as follows:

K1,K2,K8 DC/Electrical Standards Section

K3,K4 Frequency/RF Section

K5 Temperature/Humidity

K6, Physical Dimensional Test Equipment

K7, RADIAC

K9 Automated Test Equipment

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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