I have decided to sell my HP 3458A 8.5 digit DMM. In 2017 it was refurbished by me as follows:
- All Dallas NVRAMs replaced in good quality sockets.
- New front panel & window. (originals were scratched & damaged)
- New front input socket assembly (the old sockets were damaged)
All parts bought from Keysight UK at great expense.
The LTZ1000A operating temperature has been reduced as discussed on the XDEVs website. It was then tested for 2 weeks to check stability after my own pre-calibration. In September I returned it to Keysight for a proper calibration. As part of this offer, Keysight also offered a 12 month warranty plus the option to put it on a service contract. I assume that the warranty is NOT transferable but this should be checked with Keysight.
I am happy to send pictures and the calibration data to anyone interested in buying this DMM. I plan to offer it on eBay as well but am offering it here first.
Price: £3495
Phil