Gary, The chip you want to look at is the ADE7754, sorry about that They do have a built up evaluation board using the chip for $250 Scott At 05:18 AM 2/15/04, you wrote: >Guys, > >I've got to measure the input power to an industrial 3 phase, 460V, 25hp >electric motor. I'm running a test using the motor as a driver and trying >to get an idea for efficiency of the mechanism I'm driving with the >motor. I'll be running at basically the exact same speeds/loads for all >conditions. > >Anyone know of some type of meter that measures input current, voltage, >(and power) for this type of setup for relatively cheap (less than a couple >$k). Ideally it would be able to output these values (RS232 or similar) >for data acquisition purposes over a test that'll run ~2 weeks continuous. > >Thanks, > >Gary > >-- >http://www.piclist.com hint: To leave the PICList >mailto:piclist-unsubscribe-request@mitvma.mit.edu -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu