What should I pay for an HP-3677 that works but has an expired calibration? Any idea of what a calibration would cost? 72, Tim ____________________________________________________________ Click here for free info on Graduate Degrees. http://thirdpartyoffers.juno.com/TGL2131/fc/BLSrjnsInBVJ0hUmSgBYTYJl6Ss5k5D9wEF3fp0fCrn95cc1SGdOWTPiLPy/