On 11/8/06, Alan B. Pearce wrote: > >We need the precision DC source to calibrate our analog I/O modules > >(often 16bit resolution for -10-10V and 0-20mA and better than 0.1% > >accuracy). > > Look at the Keithley 2400 and 2600 Sourcemeter series. > -- I've looked into the Keithley 2400 and it seems to me that the resolution and the accuracy are not really good enough. Maybe we can use the Agilent 3458A Precision DMM to check it. The 3458A will be used to check the Analog output module. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist