Why would you expect meter trouble making measurements with a 1KV DC rated meter and probes in circuits with supply rails up to 500V? Linear circuits, even with inductive loads wont have more than double the supply voltage at the waveform peak. I'm assuming you aren't *STUPID* so don't try to measure the collector, drain or plate voltage of chopper circuits and class C amplifier stages, or break the circuit to a large inductor carrying significant DC current while the meter is across it. Of course one also needs to take adequate care of your own safety but this discussion is already way off track into the long grass . . . ..
On the rare occasions we needed to measure voltages over about 800V in the repair shop, our first recourse was the Avo 8 which had a 2.5KV DC range, or for over 2KV we had a dedicated EHT meter that read up to 25KV. By not pushing the limits of our meters' ratings, we never killed any Flukes or even lesser meters due to overvoltage. Unless you repair CRT scopes, arcade monitors or the like, or work on HVDC power devices and circuits, with the commercial death of the conventional CRT, one seldom needs the capability to measure voltages above one KV any more.