EEVblog #376 - Multimeter Fuse Diode Followup

How diode bridge protection across a shunt resistor in a multimeter works, and why the fuse blows before the diode does on a well designed multimeter like the Fluke.
A followup to the previous video on Multimeter input protection:
http://www.youtube.com/watch?v=zUhnGp5vh60

Fluke 27 Service Manual: http://www.testmart.com/webdata/mfr_pdfs/FLU/27______smeng0100.pdf

Bussman Fuse Datasheet: http://media.digikey.com/pdf/Data%20Sheets/Cooper%20Bussmann%20PDFs/DMM-B.pdf
LittleFuse Datasheet: http://www.littelfuse.com/data/en/Data_Sheets/Littelfuse_Fuse_FLU.pdf
DF02 Diode Bridge Datasheet: http://www.vishay.com/docs/88573/dfs.pdf
1N4007 Datasheet: http://www.diodes.com/datasheets/ds28002.pdf

EEVblog Main Web Site:
http://www.eevblog.com
EEVblog Amazon Store:
http://astore.amazon.com/eevblogstore-20
Donations:
http://www.eevblog.com/donations/
Projects:
http://www.eevblog.com/projects/
Electronics Info Wiki:
http://www.eevblog.com/wiki/