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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.
The Pressure Equipment Directive (PED) 2014/68/EU (formerly 97/23/EC) [1] of the EU sets out the standards for the design and fabrication of pressure equipment ("pressure equipment" means steam boilers, pressure vessels, piping, safety valves and other components and assemblies subject to pressure loading) generally over one liter in volume and having a maximum pressure more than 0.5 bar gauge.
The publication describes requirements, levels and test methods to achieve immunity compliance of an electronic product. The purpose is to create a reproducible ground for product compliance and the standard defines: ranges, levels, test equipment, setups, procedures, calibrations, generator waveforms and general uncertainties.
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 ...
ISO 10012:2003, Measurement management systems - Requirements for measurement processes and measuring equipment is the International Organization for Standardization (ISO) standard that specifies generic requirements and provides guidance for the management of measurement processes and metrological confirmation of measuring equipment used to support and demonstrate compliance with metrological ...
As an example, a manual process may be used for calibration of a pressure gauge. The procedure requires multiple steps, [ 12 ] to connect the gauge under test to a reference master gauge and an adjustable pressure source, to apply fluid pressure to both reference and test gauges at definite points over the span of the gauge, and to compare the ...
High Pressure Pure Air Generator (HiPPAG®) is a registered trade mark belonging to Ultra Electronics for a type of Pure Air Generating System (PAGS). [2] HiPPAG® is an integrated pure air compressor and filtration system, which continuously consumes atmospheric air during flight or on the ground, and then provides high pressure pure air to cryogenically cool the infrared detector in missile ...
The different components are put together to meet the operating requirements of the unit. See the attached illustration of a Modular HRSG General Arrangement. Modular HRSGs can be categorized by a number of ways such as direction of exhaust gas flow or number of pressure levels. Based on the flow of exhaust gases, HRSGs are categorized into ...
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