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17 results for “NIST SP 250-1 (1987)

…Publication(SP)250,NISTCalibrationServicesUsersGuide. TheUsersGuideissupplementedbyanumberofSpecialPublications(designatedasthe "SP250Series")thatprovidedetaileddescriptionsoftheimportantfeaturesofspecific NIST calibration services. Thesedocuments provide adescription ofthe: (1)specifications fortheservices; (2)designphilosophyandtheory; (3)NIST measurement services…

Page 5 · SP 250 · 1998 Open PDF at page 5 →

…TheEquivalenceofGravimetricand VolumetricTestMeasureCalibration, R.Schoonover,Natl.Bur.Stand. (U.S.),NBSIR74-454(Feb.1987). *SeeChapter 1,SectionCforinformationabout theStandardReferenceMaterialsProgram.NIST offersStandardReferenceMaterialsofcertified density. CalibrationofSmallVolumetricLabora- toryGlassware, J.Lembeck…

Page 57 · SP 250 · 1998 Open PDF at page 57 →

…c)MonitoringFieldStrengthinNearRealTime Atthiswriting(2004),NIST isdevelopingafieldstrengthmonitoringsystemthatwill continuouslycollectsignalstrengthreadingsfromWWVBreceiverslocatedacrosstheUnited States.Thisinformation willbesentbacktotheNISTBoulderlaboratoriesviaanInternet connectionanddisplayedinnearreal-timeontheTimeandFrequencyDivisionwebsiteat http://tfnist.gov. ThiswillhelpWWVBcustomersdeterminewhetherthereareanycurrent problemswiththebroadcast. Thissystemwasnotcompletelyoperational atthetimeofthis publication,butsignalstrengthmetershavealreadybeeninstalledatbothNISTcampuses (Boulder,ColoradoandGaithersburg,Maryland…

Page 125 · SP 250 · 2005 Open PDF at page 125 →