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Old 02-24-2012, 11:37 AM
Don Lindsly Don Lindsly is offline
Ex-Philco
 
Join Date: Jul 2005
Location: Colorado
Posts: 450
The value of the probe resistor depends on the instrument input resistance on DC volts scale. A 10 meg input uses a one meg resistor. A 15 meg uses a 7 meg resistor and so on. Without the schematic, measure the DC resistance of the device while switched to DC volts.

Last edited by Don Lindsly; 02-25-2012 at 02:00 PM.
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