Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 30. Chapters: Aaronia, Advantest, Aeroflex, Agilent Technologies, Anritsu, Applied Instruments, Averna test engineering, Boonton Radio Corporation, Bustec, Circuit Check, Conar Instruments, CS Communication & Systemes, Extech Instruments, Fluke Corporation, Geotest, Keithley Instruments, Kingfisher International, Megger Group Limited, National Instruments, Pixelmetrix, Polymer Char, Qualitrol, Rohde & Schwarz, RT-RK, Stanford Research Systems, Tektronix, Verigy, Voltech Instruments, VTI Instruments, Wavetek, Yokogawa Electric. Excerpt: Megger Group Limited is a company that manufactures electric test equipment and measuring instruments for electrical power applications. The company is known for their original electrical insulation testers, and supply products related to the following areas: cable fault locating, earth/ground testing, low resistance measuring, power quality, electrical wiring, insulation testers, multimeters, portable appliance testers, clamp-on meters, current transformers, etc. The company logo depicts the word Megger with red capital "M" and the remaining letters in black, all on white background. Over the years there were several companies whose names were associated or assimilated into Megger. Wee Megger insulation tester Modern version of Megger insulation tester MIT520/2Sydney Evershed (1858-1939) and Ernest Vignoles bought the instrument section of Goolden and Trotter (where they both worked) and founded Evershed & Vignoles Limited on 5 February 1895. However, it is likely that the origins of Megger can be traced back to 1889. The company was based at Acton Lane Works, Chiswick, London, England where it moved from Westbourne Park in 1903. Sydney Evershed applied for several patents for various electric devices. One of them was a "hand dynamo," which allowed generation of voltages high enough to measure...