If you are considering used, many of the older bench power supplies like the analog-metered power supplies from HP, Lambda and Kepco would have a barrier strip on the back that would include sense connections. The connections may not be obvious without studying the manual or carefully examining pictures of the back.
At least in the US, these are available for well under $100. No idea about what's available in Denmark. The eBay seller from France (f1power01?) might have something suitable and might have lower shipping rates to Denmark than from the US.