I'm happy with the scope itself, but beware of measurements with some probes that came with Rigol 1054Z
I found that they all work fine in the 10X position, the inserted resistance is right around 9.02 Meg Ohms, except for one which reads 9.68 Meg.
The X1 position is another story, with inserted series resistance varying widely from around 200 ohms to over 600 ohms or more depending on the probe. Working the switch back and forth can clean it up temporarily but the resistance value seems to jump around quite a bit.
This may lead to flaky measurements in the X1 position. I found the probes to be quite a nuisance due to the intermittent nature of the X1 X10 switch. Has anyone else seen this?
The input resistance at the scope BNC is spot on for all channels at 1.000 Meg Ohms
I'm looking to use some contact cleaner / anti oxidant that a drop into the switch may help.
I upgraded the firmware to Ver. 00.04.03.02.03 recently and it seems to work fine. I don't have a lot of experience with the finer nuances of the scope so cannot say whether this is the best version or not.
Attempts at unlocking after the upgrade have not been successful, but mostly due to my many errors entering the key. I'll try again after the clock resets, as others have unlocked with this version.
FWIW
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