Articles Published in Cal Lab Magazine
By Hening Huang Three models are available in the literature for calculating the expanded uncertainty using the experimental standard deviation: the Student’s t model, Craig model, and Bayesian model. This paper compares these three models […]
By Peter Saunders The advent of low-cost handheld radiation thermometers, or infrared (IR) thermometers, has led to a proliferation of non-contact temperature measurement in the food, building, and low-temperature processing industries. These thermometers typically measure […]
by Sita Schwartz This editor recently networked up with business owner, Clinton Schirard, out of Anchorage, Alaska. His situation is unique in that he operates a mobile unit in an especially extreme environment. How many […]
By Heather A. Wade A customer may send equipment to a calibration vendor for calibration with the expectation of quickly receiving it calibrated. The only instructions sent with the equipment may be “please calibrate this.” […]
By Patrick J. Abbott & Zeina J. Jabbour Mass metrology carried out in atmospheric pressure air is suitable for most every critical application. However, mass metrology in vacuum is important in several current research projects. […]
Jerry Eldred, Lead Metrologist for Evans Analytical Group (EAG) Calibration Services in Austin, Texas, demonstrates the basic methods of creating an ice-point bath. Read the full article (PDF)
By Duane Lowenstein Understanding the true cost of ownership of an asset is always hard, for Test and Measurement equipment, even harder. This difficulty is due to variables like calibration, technological life span, depreciation and […]
By John Ball Precision turbine flow meters are widely applied in Army research, development, and test facilities. Helicopters, tanks, and many other military machines are dependent upon engine and hydraulic test stands located at depots […]
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