Organizations

A2LA (The American Association for Laboratory Accreditation)

http://www.a2la.org/

ASTM (American Society for Testing and Materials; now ASTM International)

http://www.astm.org

IEC (International Engineering Consortium)

http://www.iec.org/

IEEE (The Institute of Electrical and Electronic Engineers)

http://www.ieee.org/portal/site

ISA (The Instrumentation, Systems, and Automation Society)

http://www.isa.org

ISA Standards

http://www.isa.org/standards

NIST (National Institute of Standards and Technology)

http://www.nist.gov/

NRC (National Research Council)

http://www.nrc-cnrc.gc.ca/

Magazines

Cal Lab

http://www.callabmag.com/

Intech

http://www.isa.org/InTech

Sensors

http://www.sensorsmag.com/

Test and Measurement World

http://www.reed-electronics.com/tmworld/

Calculators

Air Density Calculator

http://www.wahiduddin.net/calc/density_altitude.htm

Boiling Point of Water Calculator

http://www.biggreenegg.com/boilingPoint.htm#elevation

Measurement Unit Converter

http://www.davidson.com.au/tools/convert/

Tolerance Calculator

http://www.callabmag.com/freetolerance.pdf

Uncertainty Calculator

http://www.callabmag.com/freeuncertainty.pdf

Unit of Measure Converter (converts units of pressure, temperature, length, mass & flow + gas properties)

http://www.dhinstruments.com/supp1/software/pcunitconv.htm

Vibration Calculator

http://www.wilcoxon.com/knowdesk_calculator.cfm

Calibration

Calibration Application Notes (registration required)

http://www.us.fluke.com/usen/support/appnotes/

http://www.default.htm?category=ap_ftp(flukeproducts)

Calibration Information On-Line

http://www.ecalibration.com/ecalibration/index.htm

Calibration Instrumentation Directory

http://www.ecalibration.com/ecalibration/

http://www.InstrumentationDirectory.asp

Calibration Laboratory Accreditation

http://www.transcat.com/CalServices/PDFs/17025WhitePaper.pdf

Calibration Management Software

http://www.us.fluke.com/usen/products/

http://www.METCALPlus.htm?catalog_name=FlukeUnitedStates

http://www.coolblue.com/coolblue/

http://www.dds-inc.com/

http://www.primetechpa.com/

http://www.calibration-software.com/

Calibration Organizations Directory

http://www.ecalibration.com/ecalibration/

http://www.OrganizationsDirectory.asp

Calibration Services Directory

http://www.ecalibration.com/ecalibration/ServicesDirectory.asp

Calibration Supplies Directory

http://www.ecalibration.com/ecalibration/SuppliesDirectory.asp

Dead-Weight Tester Information

http://www.mecheng.tcd.ie/~clyons/PresMes.pdf

Liquid Flow Calibration Facility

http://www.homepages.compuserve.de/DrREngel/div_eng.pdf

NIST Calibration Services

http://www.ts.nist.gov/ts/htdocs/230/233/calibrations/index.htm

Shunt Calibration of Strain Gauge Instrumentation

http://www.vishay.com/company/brands/measurements-group/guide/tn/tn514/514index.htm

Some Notes on Device Calibration

http://www.mme.tcd.ie/~clyons/calibrations.pdf

Stopwatch and Timer Calibrations

http://www.mpti.org/PDFs/960-12.pdf

Temperature Calibration

http://www.branom.com/literature/calibration.html

The Proving Ring

http://www.mel.nist.gov/div822/proving_ring.htm

TN-9 Technical Note Addressing Shunt Calibration Technique for Strain Gauge Load Cells

http://www.pcb.com/techsupport/docs/ftq/TN-9-0202_Shunt_Calibration.pdf

TN-15 Technical Note Addressing Dynamic Pressure Calibration

http://www.pcb.com/techsupport/docs/prs/TN-15-0205_Dynamic_Pressure_Calibration.pdf

Water Triple Point Cells

http://www.isotech.co.uk/water.html

Measurement Uncertainty

A2LA Guide for Estimating Measurement Uncertainty in Testing

http://www.a2la.org/guidance/est_mu_testing.pdf

A2LA Policy on Estimating Measurement Uncertainty for Testing Laboratories

http://www.a2la.org/policies/Testing_MU_policy.pdf

A2LA Policy on Measurement Traceability

http://www.a2la.org/policies/tracepol.pdf

An Application of the