Clamp-On Current Meter Readings
Got curious with my new clamp-on meter this afternoon. Made the following current readings (one fully charged 24 series battery; converter turned off): .13 amps - parasitic/residual current with e...
Forum Discussion
When you say Tektronix you are in a world different than what the folks on this forum are dealing with.
I have a 20 ampere 50ma 24Kt Gold CLAD (much heavier than plating) N.I.S.T. Manganin shunt that I use for fast calibrating, with my 6-1/2 and 4-1/2 digit bench and handheld DMM's. I was fortunate enough to had bid on a roll of 16 gauge gold clad pure silver wire at the Lockheed Space Shuttle surplus inventory auction. The shunt came with a box of gold clad accessory terminals.
The meters resolve down to the microamp range which is close enough for nuclear exchanges.
Bottom line, DMM inductive ammeters can be accurate at some ranges and horrible in others.
Where tens of milliamps are important like long term battery storage, a VERY accurate discharge amperage resolution is crucial.
I have a 20 ampere 50ma 24Kt Gold CLAD (much heavier than plating) N.I.S.T. Manganin shunt that I use for fast calibrating, with my 6-1/2 and 4-1/2 digit bench and handheld DMM's. I was fortunate enough to had bid on a roll of 16 gauge gold clad pure silver wire at the Lockheed Space Shuttle surplus inventory auction. The shunt came with a box of gold clad accessory terminals.
The meters resolve down to the microamp range which is close enough for nuclear exchanges.
Bottom line, DMM inductive ammeters can be accurate at some ranges and horrible in others.
Where tens of milliamps are important like long term battery storage, a VERY accurate discharge amperage resolution is crucial.
