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Offline fabstar68  
#1 Posted : 10 November 2025 17:37:17(UTC)
fabstar68

Italy   
Joined: 14/12/2023(UTC)
Posts: 65
Location: Milan
hi all,

i noted that my marklin central station 3 plus, even if in its control panel says that it is outputting 19.4 volts AC, the real voltage is 11.4 volts. i tested this value directly at the 2 pin output port of the console, with no load. on the other hand, my old mobile station 2 outputs roughly 16v ac. i used 3 different voltage detector devices, all report the same.

is this normal ? any1 else having this issue (if it's a issue) ? thanks
Offline osoraku  
#2 Posted : 10 November 2025 17:47:11(UTC)
osoraku

Portugal   
Joined: 22/01/2025(UTC)
Posts: 78
Location: Setubal, Palmela
Dear Fabstar -

Your multimeter is averaging over the digital waveform (an oscilloscope would work better, though expensive). Look at a description of a DCC waveform for more understanding, and how it differs from AC or DC.

Osoraku
thanks 1 user liked this useful post by osoraku
Offline BenP  
#3 Posted : 10 November 2025 17:48:12(UTC)
BenP

United States   
Joined: 04/02/2021(UTC)
Posts: 538
Location: USA
Originally Posted by: fabstar68 Go to Quoted Post
hi all,

i noted that my marklin central station 3 plus, even if in its control panel says that it is outputting 19.4 volts AC, the real voltage is 11.4 volts. i tested this value directly at the 2 pin output port of the console, with no load. on the other hand, my old mobile station 2 outputs roughly 16v ac. i used 3 different voltage detector devices, all report the same.

is this normal ? any1 else having this issue (if it's a issue) ? thanks


Digital AC hard to measure with consumer meters, except for the old fashioned, sluggish needle ones. I (wrongly) measure ~10V AC on my digital meters.
Ben
Digital M track layout with vintage rolling stock and accessories controlled by CS3+Rocrail; small Z scale layout.
https://youtube.com/play...0kgVYbh0CeDTF-bYXoD_2-V9
thanks 1 user liked this useful post by BenP
Offline fabstar68  
#4 Posted : 10 November 2025 19:26:40(UTC)
fabstar68

Italy   
Joined: 14/12/2023(UTC)
Posts: 65
Location: Milan
thank you guys for all your kind replies,

Fab
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