electrical – Page 12 – Cal Lab Magazine

Accelerate TDR Measurements with Electronic Calibration

December 4, 2014 Office

by John Dorighi and Rob Sleigh An important consideration for improving the accuracy of time domain reflectometer (TDR) measurements is user calibration. A TDR user calibration is performed to correct for systematic instrument errors along […]

Metrology 101: The Effect of Cables and Shields on Traceability

May 20, 2014 Office

by Jesse Morse If a person making a dc or low frequency measurement fails to select the proper cables, or to properly connect the shields the traceability chain for that measurement can be violated. This […]

Tolerances for Non-Linear Analog Resistance Scales

February 18, 2014 Office

By Tom Morgan A method is derived for calculating the resistance tolerances for non-linear resistance scales, whose accuracy tolerances are given in degrees of arc instead of percent of reading or range. Read the Full […]

Transmille’s New 1000 Ultra Portable Calibrator

October 1, 2013 Office

The New Transmille 1000 Series Calibrators are set to transform the world of calibration – the completely new design utilizes the latest in cutting edge digital and analog electronics, combined with modern manufacturing techniques to […]

New Fluke Calibration 5730A Multifunction Calibrator

September 23, 2013 Office

For 25 years, you’ve trusted the reliability, accuracy and ease of use of Fluke 5700 Series calibrators. Now the Fluke Calibration 5730A Multifunction Calibrator raises that standard of performance for a new generation. Features include: […]

VSL Supports IRMM in Small Current Measurements for Radionuclide Metrology

March 28, 2013 Office

The accurate measurement of small electrical currents is essential for the measurement of ionizing radiation as generated by radionuclides. The Dutch Metrology Institute (VSL) has been involved in the current measurement part of the development […]

Yokogawa Announces WT300 Digital Power Meters

January 10, 2013 Office

Yokogawa announces its latest family of Digital Power Meters, the WT300 series. This new addition to Yokogawa’s highly recognized digital power analyzer product line is the 5th generation of its high performance, low cost product […]

Implementation and Verification of Building-up AC-DC Current Transfer up to 10 A

November 9, 2012 Office

by Mamdouh M. Halawa This paper describes a practical method for implementation and verification of building-up AC-DC current transfer from 10 mA and up to 10 A. A Planar multi-junction thermal converter (PMJTC) at the […]