EEVblog

A look at one of the original HP 5061A Cesium Beam atomic clock frequency standards used in the “flying clocks” experiment in the 1960’s, that showed (not definitely at the time) that time dilation as part of Einstein’s relatively theory was correct. The effect was not confirmed until a more …

Les Thomaidis shows and explains the calibration rack at the Agilent Melbourne Standards Lab that is used to “calibrate the calibrators”. This is where other calibration labs send their multimeter and oscilloscope calibrators to get calibrated. Forum Topic HERE Podcast: Download

Dave visits the Connected Community Hacker Space (CCHS) in Melbourne on Feb 5th 2013 Check out the Cray Supercomputer, automated RFID door access system, 3D printers, various robots, and a chat with the head software developer for the Raspberry Pi. http://www.hackmelbourne.org/ Andy Gelme is part of http://lifx.co/ Jon Oxer is …

Peter Daly, metrologist at Agilents world leading standards & calibration laboratory in Melbourne explains what calibration is. Forum Topic HERE Podcast: Download

Everything you need to know about how Thermocouples work. K type thermocouples, the Seebeck effect, the Seebeck coefficient, and cold junction compensation. Along with some practical measurements with a multimeter to demonstrate the effect. Seebeck effect on a single conductor NIST Tables Forum Topic HERE Podcast: Download