EEVBlog #426 - HP 3457A Multimeter Teardown

Teardown Tuesday. Inside the HP 3457A 6.5/7.5 digit bench multimeter. Service Manual: HP/CD1/ User Manual: LM399 Reference: Forum Topic: Photos: EEVblog Main Web Site: EEVblog Amazon Store: Donations: Projects: Electronics Info Wiki: Теги: multimeter,hp3457a,hp3478a,3478a,hp 3457a multimeter,bench multimeter,agilent,6.5 digit,7.5 digit,gpib,hpib,interface,math,calibration,volatge reference,mv106,edc,adc,schematic,pcb,dac,hybrid adc,temperature,temptco,temperature coefficient,thermocouple,hp 3457a,system multimeter,ebay,ebay bargain,how to,what is calibration,multimeter calibration