THE thermionic valve has long been recognized as a useful tool in many branches of science and engineering; but few, with the exception of experimenters, have realized that it can be usefully applied ...

ISA recently published the third edition of Calibration Handbook of Measuring Instruments by Alessandro Brunelli. In this Q&A feature, Brunelli highlights the focus, importance, and differentiating ...

IN the student days of their career the majority of electrical engineers are strongly attracted towards the design and manufacture of large machines. To design a 10,000-h.p. dynamo is found to be ...

The U.S. National Institute of Standards and Technology (NIST) has completed significant upgrades to two key instruments serving what the agency calls "critical national needs". The devices measure ...

Measurement of signals close to the your measuring instrument’s noise floor is always difficult. For many years the best Op Amps have had input noise floors of right around 1 nV/√Hz. This makes any ...

The electronic gauge is designed for measuring wheel rolling circle diameter with high precision. Measurements are made directly on rolling stock without wheelset roll-out. This is performed according ...

People breathing contaminated air over the course of years are at greater risk of developing numerous diseases. This is thought to be due to highly reactive components in particulate matter, which ...

The Measurement Units, Standards & Services Department issued a warning to consumers on Thursday (22nd) to exercise caution when purchasing scales and measuring instruments from the open market. In a ...