Below you’ll find Feature Articles from 2011 (Vol. 18:1-4) through 2020 (Vol. 27:1-4). If you’re looking for another year, refer to the main Article Index page.

VolumeYearQuarterAuthorTitle
27:42020Oct-DecSueli Fischer Beckert, Renan Ednan Flores Customer Technical Qualification in Analyzing of the Accreditation Scopes of Calibration Laboratories
27:42020Oct-DecJos G.M. van der Grinten, Arnthor Gunnarsson, Mijndert van der Beek, Bodo Mickan An Intercomparison Between Primary High-Pressure Gas Flow Standards with Sub-Permille Uncertainties
27:42020Oct-Dec Michael Schwartz, Jack Somppi Enhancing the Accuracy of a Power and Energy Standard
27:32020Jul-SepHening HuangTwo Simple and Practical Methods for Combining Prior Information with Current Measurement in Uncertainty Analysis
27:32020Jul-SepRado LapuhSampling with a 3458A Type DMM
27:22020Apr-JunPatrick AbbottRedefined But Not Perfected: The On-going Saga of the Kilogram
27:22020Apr-JunBrian WalkerThru-Reflect-Line (TRL) Calibration
27:22020Apr-JunChristopher Grachanen Verifying the Integrity of S-Parameter Measurements
27:12020Jan-MarJoseph FuehneChoosing the Proper Measurement Tool
27:12020Jan-MarHenry ZumbrunConverting a mV/V Load Cell Signal into Engineering Units
26:42019Oct-DecHening HuangA Unified Formula for Uncertainty Estimation in Interlaboratory Studies and Key Comparisons
26:42019Oct-DecDennis Destefan, William Hinton Cost and Accessibility of Metrology, Calibration, Testing, and NDT Training
26:42019Oct-DecHannah Eilers Realized Value of Industry Events
26:32019Jul-SepManuel Rodríguez Pass or Fail: With Which Probability?
26:32019Jul-SepHenry ZumbrunAircraft and Truck Scale Calibration
26:22019Apr-JunPedro AdameProbability of False Acceptance Estimation for Asymmetrical Tolerances
26:22019Apr-JunHenry ZumbrunThe Importance of Adapters in Force Measurement
26:22019Apr-JunMichael SchwartzCreating Sustainable Metrology Software
26:12019Jan-MarMurat Celep, Handan SakaryaDevelopment of RF and Microwave Metrology Capability
26:12019Jan-Mar Stanislav Mašláň, Oliver Power Project TracePQM
26:12019Jan-MarHoward ZionPeriodic-ish Table of Metrology
25:42018Oct-DecChristopher GrachanenA Tool for Validating Spreadsheets
25:42018Oct-DecM. Zeier, J. Hoffmann, J. Ruefenacht, M. Wollensack Contemporary Evaluation of Measurement Uncertainties in Vector Network Analysis
25:42018Oct-DecHannah Eilers, Michael Schwartz Rules & Tools for Creating a Metrology Taxonomy
25:32018Jul-SepDonald LarsonCalculating the Frequency Response of an Oscilloscope from a Transition Duration Measurement
25:32018Jul-SepSita SchwartzIn Focus: Colorado Engineering Experiment Station (CEESI)
25:22018Apr-JunSean NielsonA Comparison of Deadweight Testers and Digital Pressure Calibrators
25:22018Apr-JunHening HuangMore on the t-Interval Method and Mean-Unbiased Estimator for Measurement Uncertainty Estimation
25:22018Apr-JunKevin AbercrombieA Risk Based Approach to Calibration Laboratory Infrastructure Modernization
25:12018Jan-MarMartin de GrootCalibrating a Micropipette
25:12018Jan-MarHenry ZumbrunAn Introduction to the Differences Between the Two Most Recognized Force Standards
25:12018Jan-MarMichael SchwartzCreating a Taxonomy for Metrology
24:42017Oct-DecJerry EldredBasic Rise Time Measurements
24:42017Oct-DecRichard Steven, Joshua Kinney Large Volume Cone Differential Pressure Meters
24:42017Oct-DecSita SchwartzHistory of Lowry PMEL School
24:32017Jul-SepMichael JohnstonCalibrating Long Scale DMMs with Fluke MET/CAL and the Fluke 57xxA Through 90-day Characterization
24:32017Jul-SepMichael SchwartzUsing Metrology.NET to Calculate ISO/IEC 17025 Uncertainties for Fluke MET/CAL
24:32017Jul-SepGeorge Anastasopoulos The New ISO/IEC 17025:2017
24:32017Jul-SepPaul HanssenMetrology – Why We Do What We Do
24:22017Apr-JunRichard Fertell, Hamed Ershad, York Xu, Osborne Gumbs, Tammy Tran Weigh Standard Assessment – Calibrating Liquid Flow Instruments Beyond +5 °C to +90 °C
24:22017Apr-JunHenry ZumbrunWhat is Measurement Risk?
24:22017Apr-JunRoland BoucherChapter Two: The Pendulum and Standards of Measure in the Ancient World
24:22017Apr-JunAlex LepekA Standard Text File Format for the Exchange of Cal Data Required for Analysis
24:12017Jan-MarRichard HoganHow to Determine Resolution Uncertainty
24:12017Jan-MarH. Zumbrun, A. Zeinali Uncertainty Propagation for Force Calibration Systems
24:12017Jan-MarRoland BoucherThe Pendulum and Standards of Measure in the Ancient World
23:42016Oct-DecHening HuangOn the Welch-Satterthwaite Formula for Uncertainty Estimation: A Paradox and Its Resolution
23:42016Oct-DecRichard Fertell, Hamed Ershad, York Xu, Osborne Gumbs, Tammy Tran Calibrating Liquid Flow Instruments Beyond +5 °C to +90 °C
23:42016Oct-DecChristopher GrachanenPetitioning the SOC for Inclusion of Job Descriptions for Metrologist and Calibration Engineer
23:42016Oct-DecGeorge Anastasopoulos The New ISO/IEC 17025 – DIS Stage
23:32016Jul-SepTed DoironDimensional Measurement Uncertainty from Data, Part 2: Uncertainty R&R
23:32016Jul-SepMichael BoetzkesHumidity Calibration Using Portable Relative Humidity Generators
23:32016Jul-SepGeorge Anastasopoulos The New ISO/IEC 17025 – What to Expect
23:22016Apr-JunMettler ToledoUsing Robotic Comparators in Mass Calibration
23:22016Apr-JunHenry Zumbrun3 Bar Vs. 2 Bar Universal Calibrating Machines Comparison Test
23:22016Apr-JunEbtisam H. Hassan, R. Hegazy, Gouda M. Mahmoud The Effects of Loading Pad Hardness on the Calibration Results of Force Transducers
23:22016Apr-JunRob Miller10 Things to Know About Achieving ISO/IEC 17025 Accreditation
23:12016Jan-MarRichard HoganProbability Distributions and Divisors for Estimating Measurement Uncertainty
23:12016Jan-MarDave BrannonPXI Interoperability – How to Achieve Multi-Vendor Interoperability in PXI Systems
23:12016Jan-MarRoger MuseAccreditation to ISO/IEC 17025: Understanding the Benefits and the Process
23:12016Jan-MarSita SchwartzTraining Resources for Business
22:42015Oct-DecPhil MistrettaGood Metrology Practice (GMetP): Out-of-Tolerance Investigations
22:42015Oct-DecChris GrachanenThe Metrology of PCB Signal Integrity
22:42015Oct-DecRandy LongMethods, Procedures, and Instructions
22:42015Oct-DecSita SchwartzBadging for the Metrology Industry
22:32015Jul-SepTed DoironDimensional Measurement Uncertainty from Data, Part 1: Check Standards
22:32015Jul-SepRussell KeenanRACI Charts for Process and Procedure Management
22:32015Jul-SepKenneth ParsonInternal Audit: How to Take the Pulse of Your Laboratory
22:22015Apr-Jun Paul Williams, Joshua Hadler, Daniel King, Robert Lee, Frank Maring, Gordon Shaw, Nathan Tomlin, Marla Dowell, John Lehman Progress Toward Radiation-Pressure-Based Measurement of High-Power Laser Emission
22:22015Apr-JunMettler ToledoPushing the Boundaries of Traceable Measurement
22:22015Apr-JunKenneth ParsonMeasurement Traceability: The Unbroken Chain
22:12015Jan-MarRichard HoganHow to Perform a Repeatability Test
22:12015Jan-MarDavid WalkerMade in America – European Origin?
22:12015Jan-MarHugo Gasca, Luis Omar Becerra, Victor Serrano, Luis Manuel Peña Treatment of Conditional Measurement Bias in Measuring Instruments
22:12015Jan-MarPamela WrightA Practical Guide for Selecting, Purchasing, and Receiving Accredited Calibration Service
21:42014Oct-DecJerry EldredBasic Torque Calibration
21:42014Oct-DecMurat CelepWide Band Microwave Noise Measurement System
21:42014Oct-DecJohn Dorighi, Rob SleighAccelerate TDR Measurements with Electronic Calibration
21:42014Oct-DecMichael SchwartzCalibrating a UUT on a Remote Computer Using Fluke MET/CAL®
21:32014Jul-SepMichael Schwartz1mW Power Sensor Calibration with Vector Mismatch Corrections Based on the Direct Comparison Method
21:32014Jul-SepHenry ZumbrunAnalyzing the Effects of Reducing the Ending Zero Versus Ignoring the Trailing Zero on Measuring Instruments Used for Force Calibration
21:32014Jul-SepKenneth ParsonDocumentation & Document Control
21:32014Jul-SepBart CaswellReport of an Interlaboratory Comparison of Phase Noise
21:22014Apr-JunKenneth ParsonLaboratory Management: An Introduction
21:22014Apr-JunJonathon HarbenUncertainty Estimation Based on Repeated Observations of a Population of Instruments
21:22014Apr-JunChristoph von RohdenSpeed-of-Sound Measurements in Liquids Using Time-of-Flight Sensors
21:2 2014 Apr-Jun Jesse Morse The Effect of Cables and Shields on Traceability
21:12014Jan-MarTom MorganTolerances for Non-Linear Analog Resistance Scales
21:12014Jan-MarThomas MaginnisProgress in the Theory of the Laminar Tube Thermal Flow Sensor
21:12014Jan-MarDean WilliamsLeveraging LEAN in the Laboratory
20:42013Oct-DecRoger Bond, Kelly Bray, Marcellino Valdez, Matthew Rickard Performance Measurement and Design Optimization of a Cooling Fin Array
20:42013Oct-DecAnn Lenhardt, Erin Lenhardt Pipette Calibration: The Gravimetric Method and Balance Resolution
20:42013Oct-Dec Bob Hardy Design Considerations of a Two-Pressure Humidity Generator
20:32013Jul-SepRebecca Choi, Jessica Chung, Justin Jinwon Lee Gender-Specific Effects on Tympanic Temperature of a Cohort Sample of 15 to 16 Year Old High School Students
20:32013Jul-SepHelko van den Brom, Gert Rietveld, Jan Paepen Small Current Measurements for a New Standard in Radionuclide Metrology
20:32013Jul-SepDean C. Ripple, Michael J. Carrier, Richard E. Cavicchi, Christopher B. Montgomery, Zhishang Hu The Metrology of Counting Protein Particles
20:22013Apr-JunMichael Bair, Tim FrancisA New Primary Standard for the Realization of Pressure from 10 to 500 kPa
20:22013Apr-JunMark KusterMetrology: Standardize and Automate!
20:22013Apr-JunEdward MorrellPiston Prover Design with Additional Measurement Capabilities and Reduced Flow Interaction
20:12013Jan-MarCharles SperrazzaVerifying 1 mW 50 MHz Power Reference Output SWR
20:12013Jan-MarDavid DeaverStating Best Uncertainties Over a Range of Values
20:12013Jan-MarWesley EnglandAn Uncertainty Analysis for a Positive Displacement Liquid Flow Calibrator Using the Water Draw Technique
19:42012Oct-DecAgilent TechnologiesMillimeter Wave Connector Care
19:42012Oct-DecMamdouh HalawaImplementation and Verification of Building-up AC-DC Current Transfer up to 10 A
19:42012Oct-DecJacob Ricker, Jay Hendricks, Douglas Olson, Greg Strouse Faster, Better, Cheaper: New Automated Vacuum Calibration Service at NIST
19:32012Jul-SepJay KlevensCalibrating DC Shunts: Techniques and Uncertainties
19:32012Jul-SepRachael CoquillaQuality of Air Speed Calibrations
19:32012Jul-SepMichael Haugh, Travis Pond, Christopher Silbernagel, Peter Torres, Kent Marlett, Fletcher Goldin, Susan Cyr Learning to Apply Metrology Principles to the Measurement of X-ray Intensities in the 500 eV to 110 keV Energy Range
19:22012Apr-JunMartin KiddWatch Out for Those Thermoelectric Voltages!
19:22012Apr-JunPaul RobertsIdentifying and Avoiding Common Errors in RF Calibration
19:22012Apr-JunJohn Wright, et al.A Comparison of 12 US Liquid Hydrocarbon Flow Standards and the Transition to Safer Calibration Liquids
19:22012Apr-JunMichael SchwartzRethinking the Flexible Standards Paradigm
19:12012Jan-MarHock Eng LimCalibrating 1 mW 50 MHz Power Reference Output
19:12012Jan-MarHening HuangComparison of Uncertainty Calculation Models
19:12012Jan-MarPeter SaundersCalibrating Low-Temperature Radiation Thermometers
19:12012Jan-MarSita SchwartzAlaska Metrology & Calibration Services
18:42011Oct-DecHeather WadeEffective Communication Between Customers and Their Labs
18:42011Oct-DecPatrick J. Abbott, Zeina Jabbour An Introduction to Mass Metrology in Vacuum
18:42011Oct-DecJerry Eldred Preparation and Use of an Ice-Point Bath
18:32011Jul-SepDuane LowensteinWhat’s Below the Iceberg: Determining the True Cost of Ownership of Test and Measurement Equipment
18:32011Jul-SepJohn BallTurbine Flow Meter Calibration Using Nonhazardous Fluid Mixtures to Simulate Fuels and Lubricants
18:32011Jul-SepJon Baldwin, Kim Summerhays, Daniel CampbellApplications of Computer Simulation in Coordinate Measuring Machine Uncertainty Evaluation
18:32011Jul-SepFrank LiebmannInfrared Thermometer Calibration
18:22011 Apr-JunAbdulaziz A. Al-Ghonamy, Mamdouh Halawa, Mohamed Aichouni Technical Requirements for a Portable Metrology Laboratory in Hot, Arid Regions
18:22011Apr-JunSulan ZhangHigh Attenuation Measurement of Step Attenuators
18:22011Apr-JunMike StearsBalance Calibration – A Method for Assigning a Direct-Reading Uncertainty to an Electronic Balance
18:22011Apr-JunAnn LenhardtHow to Calibrate a Single Channel Adjustable Volume Pipette
18:12011Jan-MarJay BucherA Paperless Calibration Department
18:12011Jan-MarRichard Bono, Eric SellerThe Effect of High Transverse Inputs on Accelerometer Calibration
18:12011Jan-MarRichard Koops, Ancuta Mares, Jan NieuwenkampDevelopment of the New Line Scale Calibration Facility at the Dutch National Metrology Institute VSL
18:12011Jan-MarBrien GauthierHow to Function Check a Spectrum Analyzer