Someone on the Antique Radio Forum revived Ross Hochstrasser's thread on VOM/VTVM collections, so I thought I'd show my collection (or most of it, anyway). Click the preview photo below to see a full-resolution version.
Top row, left to right:
- HP 411A RF millivoltmeter
- HP 425A DC Micro Volt-Ammeter
- HP 400AB AC VTVM
- HP 400D AC VTVM
- HP 400H AC VTVM
- HP 412A DC VTVM
- HP 410B VTVM
- Fluke 910AR True RMS Voltmeter (right-hand side, mounted in the rack)
Middle row, left to right:
- Triplett 630 VOM
- Triplett 630-NA VOM
- Weston 980 VOM (disassembled; the meter movement is kaput)
- Fluke 8050A DMM
- HP 3468A DMM
- HP 427A Voltmeter
- B & K Model 290 Electronic Multimeter
- Triplett 850 VTVM
- RCA WV-98A Senior VoltOhmyst VTVM
- Heathkit IM-28 VTVM
- (mostly obscured behind the Heathkit IM-28, sorry) Simpson 715 AC VTVM
Bottom row, left to right:
- Extech 430 DMM
- Military URM-105C VOM
- Triplett 630-PLK VOM
- Triplett 630-M VOM
- Triplett 625-NA VOM
- Fluke 27/FM DMM
- Simpson 262 VOM
- Another Simpson 262 VOM
- Simpson 260-8XLP
- Triplett 800 VOM
- Simpson 270-4
- Heathkit IM-11
- (far right, sitting in rack) HP 410C VTVM
- HP 400EL AC Voltmeter
- HP 400E AC Voltmeter
There are a few others not shown: some Triplett 310's awaiting restoration, a few HP 400C AC VTVMs, a couple more HP 400D VTVMs, a HP 3465A DMM, a HP 3490A, a HP 3456A, and a HP 400H AC VTVM modified to be a 456A Probe Tester from the HP Loveland production line.