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| Originally Posted by divetheworld I'm thinking of making a monitor with analogue and digital in it. Problem is, you use 3 cells to avoid failure problems. Replacing one DPM with analogue would require some thinking to avoid defeating the object. |
I looked into using real moving coil ammeters instead of battery powered LCD displays. The problem is that the current is quite small from a cell and it was difficult to source the correct milliammeter. The PRISM and Mk15 one's are quite expensive because they are bespoke meters.