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with or without a .47 capacitor across the leads my digital multimeter is not erratic and shows a reading , I have it at 200ma and as it runs you may see it say 199 for a minute then back to 200 and while running it may show 199 again but eventually will show 200ma , the capacitor across the leads is mentioned in the procedure in the sams how to test the cathode current, and I should metion the meter has that separate 10a for the red lead to plug into , that is how it is used to measure ma , if one tries with it in the standard input that reads ohms and volts it will not give a proper reading.
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