The piezo solutions offer only dynamic measurement. The tape will change in length (between ends) when deflected into an arc from a straight line. This can be sensed by a force sensitive resistor for example, or by other means, f.ex. lvdt or capacitive. Peter -- View this message in context: http://www.nabble.com/Measuring-absolute-deflection-tp20672390p20703449.html Sent from the PIC - [EE] mailing list archive at Nabble.com. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist