Product Code:SAE AMS6312
Title:Steel Bars, Forgings, and Tubing, 1.8Ni - 0.25Mo (0.38-0.43C) (4640)
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:This specification covers an aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.【英文标准名称】:Measurementmicrophones-Part1:Specificationsforlaboratorystandardmicrophones
【原文标准名称】:测量传声器第1部分:实验室标准传声器规范
【标准号】:IEC61094-1-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-07
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC29
【标准类型】:()
【标准水平】:()
【中文主题词】:实验室器皿;电声器件;规范(验收);传声器;测量仪器;测定
【英文主题词】:Acoustoelectricdevices;Calibration;Classification;Condensermicrophones;Definitions;Determinations;Dimensions;Electroacoustics;Environmentalcondition;Laboratories;Laboratoryapparatus;Laboratoryequipment;Laboratoryware;Measurement;Measurementmicrophones;Measuringinstruments;Measuringtechniques;Microphones;Normal;Pressurechambers;Pressuretransmission;Properties;Ratings;Referenceconditions;Soundpressure;Specification(approval);Testing
【摘要】:ThispartofIEC61094specifiesmechanicaldimensionsandcertainelectroacousticcharacteristicsforcondensermicrophonesusedaslaboratorystandardsfortherealizationoftheunitofsoundpressureandforsoundpressuremeasurementsofthehighestattainableaccuracy.Thespecificationsareintendedtoensurethatprimarycalibrationbythereciprocitymethodcanbereadilycarriedout.Thispartalsoestablishesasystemforclassifyinglaboratorystandardcondensermicro-phonesintoanumberoftypesaccordingtotheirdimensionsandpropertiesinordertofacilitatethespecificationofcalibrationmethods,theconductingofinter-laboratorycomparisonsinvolvingthecalibrationofthesamemicrophonesindifferentlaboratories,andtheinterchangeabilityofmicrophonesinagivencalibrationsystem.
【中国标准分类号】:N65
【国际标准分类号】:17_140_50;33_160_50
【页数】:27P.;A4
【正文语种】:英语