Re: [volt-nuts] Semi-precision high resistance measurement

2013-06-20 Thread Robert Atkinson
Are you running the 8050 from mains or does it have the battery pack fitted?   Robert G8RPI. From: Steve Byan To: Discussion of precise voltage measurement Sent: Friday, 21 June 2013, 0:48 Subject: Re: [volt-nuts] Semi-precision high resistance measurement Th

Re: [volt-nuts] Semi-precision high resistance measurement

2013-06-20 Thread Steve Byan
Thanks for all the suggestions. The Fluke 8050A schematic is hard to follow due to the complicated range and function switching, but if I did so correctly, on the 20M ohm and 2M ohm ranges it applies 1.2 volts through a precision 10.00M ohms reference resistance, then through about 2K ohms, the

Re: [volt-nuts] Fluke 731B battery & charge circuit

2013-06-20 Thread Bob Smither
On 06/17/2013 02:29 AM, Christopher Brown wrote: > That jfet and the shielded transformer are hard to get. Everything else > on the power supply board is nothing special. All of the specially > selected stuff is on the daughter board. I needed the current diode to repair a 731B as well. Tr