>If it's really a current meter, then the voltage is found by ohm's law >against the meter's resistance plus the added series resistance. Yes indeed it is. My question was whether the polarity of the current/voltage is equal or opposite to that of the charge of the object brought close to the sense wire. -- --- Chris Smolinski Black Cat Systems http://www.blackcatsystems.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist