I have a 20 year old RS75M and no problem with the meters. have you tried tapping them while drawing some current? Barry W2UP -- View this message in context: http://elecraft.365791.n2.nabble.com/OT-Astron-Power-Supply-Current-Meter-tp7063356p7074264.html Sent from the Elecraft mailing list archive at Nabble.com.