When someone mentions calibration, engineers probably think of voltage, frequency, and other fundamental electrical measurements. Light measurements may not come to mind unless these engineers work ...

A pH meter measures a pH or the acidity/alkalinity of substances. Most pH meters rely on a glass electrode that measures the number of hydrogen ions in the solution. Usually, pH meters need to be ...

Yozo Shimada and Kazuhiro Shimaoka, Electromagnetic Waves Division, the Metrology Institute of Japan of the National Institute of Advanced Industrial Science and Technology (AIST; President: Ryoji ...

The accuracy of the mass flow controller (MFC) is important to ensure the performance, quality, and efficiency of a flow meter. If an instrument is not calibrated, its performance can decline as a ...

Gas-fired power plants consume large volumes of gas. Accurate measurement of natural gas consumption in gas-fired power plants is a necessary element in commodity pricing of electricity. An accurate ...