k_azin Posted March 21, 2007 Report Share Posted March 21, 2007 I am a PhD student and I want to measure a current in the range of nano ampere by Hall Effect sensor.This current is the powder particles which carry electrostatic charge in pneumatic conveying pipe.I want to put a ferromagnetic open loop ring around a pipe and put the hall effect sensor in its air gap.I would appreciate if you could help me to measure such current.Best regards Quote Link to comment Share on other sites More sharing options...
Johnnysan Posted March 26, 2007 Report Share Posted March 26, 2007 Pico ammeters are available, but they don't give them away. Stray currents are always a problem when measuring currents this low; you might even need a shielded chamber. Good luck. Quote Link to comment Share on other sites More sharing options...
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