The Eurotubes Octal Bias Probe measures in DC Milliamps and will work with any Multimeter that can read in DC Milliamps. A Milliamp reading is more accurate because the screen current is not added to the plate current as with other probes that measure in Millivolts.
The Eurotubes Octal Bias Probe measures in DC Milliamps and will work with any Multimeter that can read in DC Milliamps. A Milliamp reading is more accurate because the screen current is not added to the plate current as wit...
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