2011 – Page 8 – Cal Lab Magazine

Oak Ridge National Laboratory Low Air Velocity Calibrations

April 1, 2011 Office

The Oak Ridge National Laboratory’s (ORNL’s) Metrology Lab was recently accredited by the National Voluntary Laboratory Accreditation Program (NVLAP) for Low Air Velocity Calibrations over the range of 0.25 to 6.4 m/s (50-1260 ft/min) using […]

A Measurement First: NIST ‘Noise Thermometry’ System Measures Boltzmann Constant

March 30, 2011 Admin

Researchers at the National Institute of Standards and Technology (NIST) have for the first time used an apparatus that relies on the “noise” of jiggling electrons to make highly accurate measurements of the Boltzmann constant, […]

Faulty Calibration — “Screwed up” Breathalyzers Affect 1,000 DUI Cases

March 23, 2011 Admin

Law enforcement officials in Philadelphia say more than a thousand drunk-driving cases could be affected by faulty breathalyzer tests because some of the department’s machines were improperly calibrated.

Palmer Instruments J-2000 Series Differential Pressure Gauges

March 18, 2011 Office

Palmer Instruments Inc. announces the addition of the J-2000 Series of Aero Type Differential Pressure Gauges. Designed with the HVAC industry in mind, this new series of gauges features a frictionless gauge movement. Palmer Aero […]

Standards Education Vital for Global Business Needs, Says Asia-Pacific Economic Group

March 15, 2011 Office

NIST News – March 3, 2011 In just a few months, millions of young adults will graduate from college and step into productive careers in the global economy. Meanwhile, those already involved in standardization, particularly […]

A Paperless Calibration Department

March 12, 2011 Office

by Jay Bucher As metrology/calibration departments need to comply with various requirements, such as 21 CFR Part 11 and ISO 13485, they find their processes increasingly need to be more dependent on electronic systems. The […]

The Effect of High Transverse Inputs on Accelerometer Calibration

March 12, 2011 Office

by Richard W. Bono, Eric J. Seller ISO 16063 part 21 defines the back-to-back comparison technique for accelerometer calibration. Included in its most recent revision is a recommendation for acceptable limits on shaker transverse motion […]

Development of the New Line Scale Calibration Facility at the Dutch National Metrology Institute VSL

March 12, 2011 Office

by Richard Koops, Ancuta Mares, Jan Nieuwenkamp Line scales are important physical standards of length used for accurate positioning or measurement in one, two or three dimensions. Depending on the application, line scales can have […]