Surrounded by History
by Dan Wiswell Many years ago, I worked in a building in Boston that had a plaque on an outside wall that commemorated the invention of the telephone by Alexander Graham Bell. Passing by it […]
electrical
New Pilot Study Enhances Accuracy of AC Voltage Comparisons – BIPM
The BIPM and NIST have successfully conducted a new pilot study, marking a significant advancement in the accuracy and reliability of ac voltage comparisons. This achievement represents a major step forward for on-site comparisons of […]
You never know, you know… ?
by Dan Wiswell As a collector of antique test equipment, I have visited many antique shops over the years with the hope of stumbling upon something good. A few decades ago, there were plenty of […]
Thermistor Calibration for High Accuracy Measurements
by Terry Nagy Technicians and engineers often use thermistors to measure temperature in applications which require high accuracy. Thermistors operate by changing resistance as their temperature changes in a very predictable but non-linear way. This […]
CPEM Launch of 6820T
Prescott, Ontario, July 11th, 2024 – President Ryan Brown and Vice President Alessio Pollarolo proudly unveiled Measurements International’s groundbreaking achievement, the 6820T Tabletop Quantum Hall Resistance system, at the prestigious CPEM/NCSLI Conference in Colorado, held […]
Meatest’s 9000 Portable Multifunction Calibrator Sets New Standard in Calibration
Orlando, FL, May 2024 – Leading the way in precision calibration technology, Meatest proudly introduces the 9000 Portable Multifunction Calibrator. Engineered to redefine accuracy and convenience, the 9000 is a versatile tool meticulously designed for […]
Deconvolution-Based Time Response Measurement for Wideband Power Sensors
by Lichun Wang & Yifan Zhang, Keysight Technologies In time response tests involving “non-ideal” pulse-modulated signals for wideband power sensor characterization, result correction becomes essential. Traditionally, the Root Sum Square (RSS) calculation is employed for […]
Rohde & Schwarz presents new R&S NGC100 power supply series with market-leading functions | Rohde & Schwarz
Munich 04-Apr-2024 DC power supplies are essential throughout the electronics industry to provide the basic requirement of accurate and stable DC power from an AC source that may be subject to fluctuations and surges. The […]