Its one reason to obtain a 3456a and keep as a reference DMM, you can take the modern meter as a workhorse and give it wear and tear. Now a choice between the 3456a and 3457a I leave to the owner's need for the trade offs between them. At 02:17 AM 8/13/2013, Robert Atkinson wrote: >Hi , >Newer does not mean better. It's not "nuts" level, but my Fluke >8060A 4.5 digit handhelds are more accurate and stable than my newer >89 IV. However most "engineers" would pick up the 89. >I agree with Dave on UK " engineers" For many years I've been a >member of the very few groups of engineer in the UK who need a >licence to do their job - aircraft, but even that has been diluted >since EU regulations came into force. I'm also a Chartered Engineer >similar to PE in the USA. As I understand it most US States require >you to be a PE before you can do business as an "Engineer". In the >UK it's a bloke with an oily rag and big hammer :-( > >Robert CEng MRAeS G8RPI